Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA

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909
FNUS51 KPBZ 022036
FWFPBZ

Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
336 PM EST Tue Dec 2 2025

.DISCUSSION...

A brief return of dry weather is expected on Wednesday under high
pressure. The pattern remains active thereafter with rounds of
precip chances through the weekend including a passing cold front
on Thursday and associated light snow as well as low pressure
sliding by to our south and east over the weekend. Plenty of
moisture will remain with minRH values >50%. Wind may be gusty at
times Thursday as high as 20 mph in the lowlands and 30 mph in the
ridges.

OHZ039-030915-
Tuscarawas-
Including the cities of New Philadelphia and Dover
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mcldy        Pcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            40           20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      19 (-9)      35 (0)       22           29
RH % (24h trend)      98 (+1)      64 (-15)     95           57
Wind 20ft/early(mph)  Lgt/Var      SW  6        SW  6        NW  8
Wind 20ft/late(mph)   Lgt/Var      SW  8 G17    W  5         NW  7
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              690                       1200
Mixing Hgt(ft-agl/msl)             2260                      3920
Transport Wnd (mph)                SW 20                     NW 18
Vent Rate (kt-ft)                  42030                     65130
Category Day                       3                         4
Inversion             6pm          22F/8am      5pm          26F/4am
Dispersion                         5                         5
Max ADI Early         7 Poor       32 Fair      12 Poor      50 Gen Good
Max ADI Late          5 Very Poor  41 Gen Good  11 Poor      63 Good
Max LVORI Early       8            6            5            4
Max LVORI Late        8            3            6            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ040-030915-
Carroll-
Including the cities of Carrollton and Malvern
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mcldy        Pcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            50           20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      20 (-8)      33 (-2)      22           29
RH % (24h trend)      97 (0)       65 (-12)     94           59
Wind 20ft/early(mph)  Lgt/Var      SW  7        SW  7        W  9
Wind 20ft/late(mph)   Lgt/Var      SW  9        W  7         NW  8
Precip Amount         0.00         0.00         0.01         0.01
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              670                       1200
Mixing Hgt(ft-agl/msl)             2200                      3930
Transport Wnd (mph)                SW 20                     NW 20
Vent Rate (kt-ft)                  40890                     68900
Category Day                       3                         4
Inversion             6pm          24F/9am      5pm          25F/4am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  30 Fair      13 Gen Poor  54 Gen Good
Max ADI Late          6 Very Poor  42 Gen Good  14 Gen Poor  56 Gen Good
Max LVORI Early       7            5            4            4
Max LVORI Late        7            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ041-030915-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mcldy        Mcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            60           20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      20 (-7)      33 (-2)      22           28
RH % (24h trend)      98 (+2)      67 (-11)     94           60
Wind 20ft/early(mph)  Lgt/Var      SW  6        SW  7        W  9 G17
Wind 20ft/late(mph)   Lgt/Var      SW  9 G17    SW  7        NW  8 G17
Precip Amount         0.00         0.00         0.01         0.01
Precip Duration                                 4            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              680                       1220
Mixing Hgt(ft-agl/msl)             2230                      4000
Transport Wnd (mph)                SW 20                     NW 21
Vent Rate (kt-ft)                  43520                     81340
Category Day                       3                         4
Inversion             6pm          24F/9am      5pm          25F/4am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  32 Fair      14 Gen Poor  60 Gen Good
Max ADI Late          7 Poor       48 Gen Good  15 Gen Poor  60 Gen Good
Max LVORI Early       8            6            4            4
Max LVORI Late        7            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ048-030915-
Coshocton-
Including the city of Coshocton
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mcldy        Pcldy
Precip Type           None         None         Snow         None
Chance Precip (%)     0            0            30           0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      19 (-9)      33 (-2)      22           29
RH % (24h trend)      100 (0)      66 (-13)     97           56
Wind 20ft/early(mph)  Lgt/Var      SW  5        SW  5        NW  6
Wind 20ft/late(mph)   Lgt/Var      SW  8        Lgt/Var      NW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration                                 1
Precip Begin                                    1 AM
Precip End                                      6 AM
Mixing Hgt(m-agl/msl)              690                       1150
Mixing Hgt(ft-agl/msl)             2250                      3770
Transport Wnd (mph)                SW 18                     NW 15
Vent Rate (kt-ft)                  42460                     60450
Category Day                       3                         4
Inversion             6pm          22F/8am      5pm          26F/4am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  32 Fair      9 Poor       44 Gen Good
Max ADI Late          4 Very Poor  44 Gen Good  9 Poor       54 Gen Good
Max LVORI Early       8            6            5            5
Max LVORI Late        8            3            6            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ049-030915-
Harrison-
Including the city of Cadiz
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mcldy        Pcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            40           20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      20 (-8)      35 (-1)      23           30
RH % (24h trend)      99 (+2)      62 (-14)     93           55
Wind 20ft/early(mph)  Lgt/Var      SW  6        SW  6        W  8
Wind 20ft/late(mph)   Lgt/Var      SW  8        SW  6        NW  8
Precip Amount         0.00         0.00         0.00         0.01
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              690                       1220
Mixing Hgt(ft-agl/msl)             2280                      4010
Transport Wnd (mph)                SW 17                     NW 18
Vent Rate (kt-ft)                  41040                     65110
Category Day                       3                         4
Inversion             6pm          25F/9am      5pm          26F/4am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  31 Fair      10 Poor      51 Gen Good
Max ADI Late          5 Very Poor  46 Gen Good  12 Poor      67 Good
Max LVORI Early       8            6            5            5
Max LVORI Late        8            3            6            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ050-030915-
Jefferson OH-
Including the city of Steubenville
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mcldy        Pcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            50           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      21 (-7)      34 (-2)      23           30
RH % (24h trend)      95 (-4)      63 (-12)     91           55
Wind 20ft/early(mph)  Lgt/Var      SW  6        SW  6        W  8
Wind 20ft/late(mph)   Lgt/Var      SW  8        SW  6        NW  8
Precip Amount         0.00         0.00         0.01         0.01
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              730                       1250
Mixing Hgt(ft-agl/msl)             2380                      4100
Transport Wnd (mph)                SW 18                     NW 20
Vent Rate (kt-ft)                  41720                     70310
Category Day                       3                         4
Inversion             6pm          25F/9am      5pm          26F/4am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  32 Fair      12 Poor      54 Gen Good
Max ADI Late          5 Very Poor  49 Gen Good  12 Poor      56 Gen Good
Max LVORI Early       6            6            4            4
Max LVORI Late        6            3            5            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ057-030915-
Muskingum-
Including the city of Zanesville
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy
Precip Type           None         None         Snow         None
Chance Precip (%)     0            0            20           0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      20 (-8)      34 (-1)      23           30
RH % (24h trend)      99 (+2)      64 (-13)     97           55
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      NW  6
Wind 20ft/late(mph)   Lgt/Var      SW  7        Lgt/Var      NW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration                                 1
Precip Begin                                    1 AM
Precip End                                      6 AM
Mixing Hgt(m-agl/msl)              680                       1120
Mixing Hgt(ft-agl/msl)             2220                      3680
Transport Wnd (mph)                SW 16                     NW 15
Vent Rate (kt-ft)                  41330                     59550
Category Day                       3                         3
Inversion             6pm          22F/8am      5pm          26F/6am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  28 Fair      5 Very Poor  42 Gen Good
Max ADI Late          4 Very Poor  41 Gen Good  8 Poor       48 Gen Good
Max LVORI Early       8            6            6            5
Max LVORI Late        8            3            6            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ058-030915-
Guernsey-
Including the city of Cambridge
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            20           20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      20 (-8)      35 (-1)      23           31
RH % (24h trend)      99 (0)       61 (-14)     96           53
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      NW  6
Wind 20ft/late(mph)   Lgt/Var      SW  7        Lgt/Var      NW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              700                       1200
Mixing Hgt(ft-agl/msl)             2310                      3930
Transport Wnd (mph)                SW 16                     NW 15
Vent Rate (kt-ft)                  39610                     61300
Category Day                       3                         4
Inversion             6pm          22F/8am      5pm          26F/6am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  29 Fair      8 Poor       44 Gen Good
Max ADI Late          4 Very Poor  44 Gen Good  8 Poor       56 Gen Good
Max LVORI Early       8            7            5            5
Max LVORI Late        9            3            6            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ059-030915-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            40           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      20 (-8)      35 (-1)      23           32
RH % (24h trend)      100 (+3)     63 (-13)     95           55
Wind 20ft/early(mph)  Lgt/Var      SW  5        SW  5        W  7
Wind 20ft/late(mph)   Lgt/Var      SW  7        SW  5        NW  7
Precip Amount         0.00         0.00         0.00         0.01
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              700                       1210
Mixing Hgt(ft-agl/msl)             2300                      3970
Transport Wnd (mph)                SW 16                     NW 17
Vent Rate (kt-ft)                  38150                     71280
Category Day                       3                         4
Inversion             6pm          23F/8am      5pm          27F/7am
Dispersion                         5                         5
Max ADI Early         7 Poor       29 Fair      9 Poor       48 Gen Good
Max ADI Late          5 Very Poor  43 Gen Good  9 Poor       61 Good
Max LVORI Early       8            6            5            5
Max LVORI Late        9            3            5            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ068-030915-
Noble-
Including the city of Caldwell
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            20           20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      20 (-8)      35 (-2)      23           32
RH % (24h trend)      100 (+2)     63 (-13)     97           54
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      W  5
Wind 20ft/late(mph)   Lgt/Var      SW  6        Lgt/Var      NW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              710                       1170
Mixing Hgt(ft-agl/msl)             2320                      3850
Transport Wnd (mph)                SW 14                     NW 14
Vent Rate (kt-ft)                  33540                     60180
Category Day                       3                         3
Inversion             6pm          23F/8am      5pm          26F/7am
Dispersion                         5                         5
Max ADI Early         7 Poor       24 Fair      5 Very Poor  40 Fair
Max ADI Late          4 Very Poor  37 Fair      8 Poor       51 Gen Good
Max LVORI Early       8            8            6            5
Max LVORI Late        8            3            6            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ069-030915-
Monroe-
Including the city of Woodsfield
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            30           20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      21 (-8)      35 (-2)      23           33
RH % (24h trend)      99 (+2)      64 (-11)     95           54
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      W  5
Wind 20ft/late(mph)   Lgt/Var      SW  6        Lgt/Var      NW  6
Precip Amount         0.00         0.00         0.00         0.01
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              710                       1220
Mixing Hgt(ft-agl/msl)             2340                      3990
Transport Wnd (mph)                SW 14                     NW 15
Vent Rate (kt-ft)                  37210                     68000
Category Day                       3                         4
Inversion             6pm          23F/7am      5pm          26F/7am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  24 Fair      8 Poor       41 Gen Good
Max ADI Late          4 Very Poor  37 Fair      8 Poor       48 Gen Good
Max LVORI Early       8            7            6            5
Max LVORI Late        8            3            6            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ007-030915-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            80           40
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      19 (-6)      32 (-3)      20           28
RH % (24h trend)      100 (+2)     71 (-10)     99           64
Wind 20ft/early(mph)  Lgt/Var      SW  6        SW  8        W 10 G18
Wind 20ft/late(mph)   Lgt/Var      SW  9 G17    SW  8        NW 10 G19
Precip Amount         0.00         0.00         0.02         0.02
Precip Duration                                 6            2
Precip Begin                                    7 PM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              630                       1270
Mixing Hgt(ft-agl/msl)             2080                      4160
Transport Wnd (mph)                SW 21                     NW 24
Vent Rate (kt-ft)                  35730                     90480
Category Day                       3                         4
Inversion             6pm          23F/9am      5pm          24F/4am
Dispersion                         5                         5
Max ADI Early         7 Poor       31 Fair      16 Gen Poor  68 Good
Max ADI Late          7 Poor       39 Fair      15 Gen Poor  68 Good
Max LVORI Early       9            6            5            4
Max LVORI Late        9            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ008-030915-
Venango-
Including the cities of Oil City and Franklin
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            80           40
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      19 (-4)      32 (-3)      20           28
RH % (24h trend)      100 (+4)     71 (-10)     98           63
Wind 20ft/early(mph)  Lgt/Var      SW  5        SW  7        W  9 G19
Wind 20ft/late(mph)   Lgt/Var      SW  8        SW  7        NW  9 G19
Precip Amount         0.00         0.00         0.02         0.02
Precip Duration                                 6            2
Precip Begin                                    7 PM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              710                       1390
Mixing Hgt(ft-agl/msl)             2340                      4570
Transport Wnd (mph)                SW 20                     NW 25
Vent Rate (kt-ft)                  41860                     104420
Category Day                       3                         4
Inversion             6pm          23F/9am      5pm          24F/4am
Dispersion                         5                         5
Max ADI Early         5 Very Poor  36 Fair      16 Gen Poor  72 Good
Max ADI Late          4 Very Poor  41 Gen Good  15 Gen Poor  75 Good
Max LVORI Early       9            7            5            4
Max LVORI Late        9            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ009-030915-
Forest-
Including the city of Tionesta
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            70           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      19 (-2)      32 (-3)      20           28
RH % (24h trend)      100 (+3)     66 (-14)     96           58
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      SW  6        W  8 G20
Wind 20ft/late(mph)   Lgt/Var      SW  6        SW  6        NW  8 G20
Precip Amount         0.00         0.00         0.02         0.02
Precip Duration                                 4            2
Precip Begin                                    7 PM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              740                       1420
Mixing Hgt(ft-agl/msl)             2440                      4670
Transport Wnd (mph)                SW 20                     NW 28
Vent Rate (kt-ft)                  39110                     112200
Category Day                       3                         5
Inversion             6pm          22F/8am      5pm          24F/4am
Dispersion                         5                         5
Max ADI Early         8 Poor       36 Fair      13 Gen Poor  81 Good
Max ADI Late          4 Very Poor  46 Gen Good  13 Gen Poor  80 Good
Max LVORI Early       8            8            5            5
Max LVORI Late        8            3            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ013-030915-
Lawrence-
Including the cities of New Castle and Ellwood City
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            80           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      19 (-7)      34 (-1)      21           29
RH % (24h trend)      100 (+1)     68 (-12)     96           62
Wind 20ft/early(mph)  Lgt/Var      SW  5        SW  6        W  9
Wind 20ft/late(mph)   Lgt/Var      SW  8        SW  6        NW  8 G17
Precip Amount         0.00         0.00         0.02         0.02
Precip Duration                                 6            2
Precip Begin                                    7 PM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              700                       1310
Mixing Hgt(ft-agl/msl)             2300                      4300
Transport Wnd (mph)                SW 17                     NW 22
Vent Rate (kt-ft)                  39840                     83920
Category Day                       3                         4
Inversion             6pm          24F/9am      5pm          25F/4am
Dispersion                         5                         5
Max ADI Early         8 Poor       33 Fair      10 Poor      62 Good
Max ADI Late          5 Very Poor  46 Gen Good  14 Gen Poor  64 Good
Max LVORI Early       9            7            5            4
Max LVORI Late        9            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ014-030915-
Butler-
Including the city of Butler
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Pcldy        Pcldy        Mcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            70           40
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      19 (-6)      33 (-2)      20           29
RH % (24h trend)      100 (+1)     71 (-12)     97           64
Wind 20ft/early(mph)  Lgt/Var      SW  5        SW  6        W  9 G17
Wind 20ft/late(mph)   Lgt/Var      SW  7        SW  7        NW  9 G18
Precip Amount         0.00         0.00         0.02         0.02
Precip Duration                                 4            2
Precip Begin                                    10 PM        Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              730                       1310
Mixing Hgt(ft-agl/msl)             2400                      4290
Transport Wnd (mph)                SW 17                     NW 24
Vent Rate (kt-ft)                  40410                     85950
Category Day                       3                         4
Inversion             6pm          25F/9am      5pm          25F/4am
Dispersion                         5                         5
Max ADI Early         8 Poor       33 Fair      10 Poor      64 Good
Max ADI Late          4 Very Poor  46 Gen Good  15 Gen Poor  68 Good
Max LVORI Early       9            8            5            4
Max LVORI Late        9            4            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ015-030915-
Clarion-
Including the city of Clarion
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            70           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      20 (-4)      32 (-3)      21           28
RH % (24h trend)      99 (+2)      70 (-10)     95           60
Wind 20ft/early(mph)  Lgt/Var      SW  5        SW  6        W  9 G19
Wind 20ft/late(mph)   Lgt/Var      SW  7        SW  7        NW  9 G19
Precip Amount         0.00         0.00         0.02         0.02
Precip Duration                                 4            2
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              740                       1390
Mixing Hgt(ft-agl/msl)             2430                      4550
Transport Wnd (mph)                SW 18                     NW 26
Vent Rate (kt-ft)                  44790                     106170
Category Day                       3                         5
Inversion             6pm          22F/8am      5pm          25F/4am
Dispersion                         5                         5
Max ADI Early         8 Poor       35 Fair      14 Gen Poor  72 Good
Max ADI Late          4 Very Poor  38 Fair      17 Gen Poor  76 Good
Max LVORI Early       7            7            5            5
Max LVORI Late        7            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ016-030915-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Mcldy        Mcldy        Pcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            60           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      20 (-4)      31 (-4)      22           28
RH % (24h trend)      96 (+3)      68 (-1)      92           58
Wind 20ft/early(mph)  NW  5        SW  5        SW  7        W 10 G21
Wind 20ft/late(mph)   Lgt/Var      SW  7        SW  8 G17    NW 10 G21
Precip Amount         0.00         0.00         0.02         0.02
Precip Duration                                 4            2
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              730                       1360
Mixing Hgt(ft-agl/msl)             2400                      4460
Transport Wnd (mph)                SW 18                     NW 28
Vent Rate (kt-ft)                  42970                     112000
Category Day                       3                         5
Inversion             6pm          23F/8am      5pm          25F/4am
Dispersion                         5                         5
Max ADI Early         9 Poor       33 Fair      20 Gen Poor  77 Good
Max ADI Late          6 Very Poor  37 Fair      20 Gen Poor  79 Good
Max LVORI Early       5            6            4            4
Max LVORI Late        6            3            5            1

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ020-030915-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            60           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      21 (-7)      34 (-1)      23           30
RH % (24h trend)      100 (+3)     68 (-12)     93           60
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      SW  5        W  8
Wind 20ft/late(mph)   Lgt/Var      SW  7        SW  5        NW  8
Precip Amount         0.00         0.00         0.02         0.01
Precip Duration                                 4            2
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              760                       1300
Mixing Hgt(ft-agl/msl)             2480                      4270
Transport Wnd (mph)                SW 17                     NW 21
Vent Rate (kt-ft)                  40930                     83980
Category Day                       3                         4
Inversion             6pm          23F/8am      5pm          26F/4am
Dispersion                         5                         5
Max ADI Early         7 Poor       33 Fair      10 Poor      59 Gen Good
Max ADI Late          4 Very Poor  48 Gen Good  11 Poor      61 Good
Max LVORI Early       9            6            5            4
Max LVORI Late        7            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ021-030915-
Allegheny-
Including the city of Pittsburgh Metro Area
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            50           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      22 (-5)      34 (-2)      24           31
RH % (24h trend)      100 (+2)     69 (-7)      96           61
Wind 20ft/early(mph)  Lgt/Var      SW  5        SW  6        W  9 G17
Wind 20ft/late(mph)   Lgt/Var      SW  8        SW  7        NW 10 G17
Precip Amount         0.00         0.00         0.01         0.01
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              780                       1300
Mixing Hgt(ft-agl/msl)             2550                      4270
Transport Wnd (mph)                SW 17                     NW 21
Vent Rate (kt-ft)                  38320                     87640
Category Day                       3                         4
Inversion             6pm          24F/8am      5pm          27F/4am
Dispersion                         5                         5
Max ADI Early         8 Poor       33 Fair      11 Poor      59 Gen Good
Max ADI Late          4 Very Poor  38 Fair      13 Gen Poor  60 Gen Good
Max LVORI Early       8            7            5            5
Max LVORI Late        8            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ022-030915-
Armstrong-
Including the cities of Kittanning and Ford City
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            60           40
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      19 (-6)      34 (-2)      22           30
RH % (24h trend)      100 (+4)     72 (-3)      95           62
Wind 20ft/early(mph)  Lgt/Var      SW  5        SW  6        W  9 G18
Wind 20ft/late(mph)   Lgt/Var      SW  7        SW  7        NW  9 G18
Precip Amount         0.00         0.00         0.02         0.02
Precip Duration                                 4            2
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              760                       1350
Mixing Hgt(ft-agl/msl)             2490                      4440
Transport Wnd (mph)                SW 16                     NW 24
Vent Rate (kt-ft)                  46180                     104350
Category Day                       3                         4
Inversion             6pm          26F/9am      5pm          26F/4am
Dispersion                         5                         5
Max ADI Early         8 Poor       33 Fair      12 Poor      66 Good
Max ADI Late          4 Very Poor  36 Fair      15 Gen Poor  71 Good
Max LVORI Early       7            8            5            5
Max LVORI Late        9            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ029-030915-
Washington-
Including the cities of Washington and Canonsburg
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            50           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      22 (-5)      34 (-2)      23           31
RH % (24h trend)      98 (-1)      68 (-8)      93           59
Wind 20ft/early(mph)  Lgt/Var      SW  6        SW  6        W  8 G17
Wind 20ft/late(mph)   Lgt/Var      SW  8        SW  6        NW  9 G17
Precip Amount         0.00         0.00         0.01         0.01
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              720                       1240
Mixing Hgt(ft-agl/msl)             2370                      4060
Transport Wnd (mph)                SW 17                     NW 21
Vent Rate (kt-ft)                  39910                     78390
Category Day                       3                         4
Inversion             6pm          24F/5am      6pm          26F/7am
Dispersion                         5                         5
Max ADI Early         8 Poor       32 Fair      11 Poor      55 Gen Good
Max ADI Late          5 Very Poor  43 Gen Good  12 Poor      57 Gen Good
Max LVORI Early       7            6            5            5
Max LVORI Late        7            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ031-030915-
Greene-
Including the city of Waynesburg
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            40           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      22 (-4)      34 (-2)      23           31
RH % (24h trend)      99 (0)       70 (-12)     94           62
Wind 20ft/early(mph)  Lgt/Var      SW  5        Lgt/Var      W  6
Wind 20ft/late(mph)   Lgt/Var      SW  7        SW  5        NW  8
Precip Amount         0.00         0.00         0.00         0.02
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              730                       1160
Mixing Hgt(ft-agl/msl)             2390                      3810
Transport Wnd (mph)                SW 16                     NW 18
Vent Rate (kt-ft)                  34790                     81740
Category Day                       3                         4
Inversion             6pm          24F/6am      5pm          26F/7am
Dispersion                         5                         5
Max ADI Early         8 Poor       30 Fair      8 Poor       45 Gen Good
Max ADI Late          4 Very Poor  43 Gen Good  9 Poor       49 Gen Good
Max LVORI Early       8            6            5            5
Max LVORI Late        9            4            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ073-030915-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Mcldy        Pcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            50           40
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      21 (-5)      34 (-3)      23           31
RH % (24h trend)      100 (+2)     70 (+4)      96           63
Wind 20ft/early(mph)  NW  5        SW  6        SW  6        W 10 G18
Wind 20ft/late(mph)   Lgt/Var      SW  8        SW  7        NW 11 G18
Precip Amount         0.00         0.00         0.01         0.02
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              760                       1310
Mixing Hgt(ft-agl/msl)             2490                      4300
Transport Wnd (mph)                SW 17                     NW 22
Vent Rate (kt-ft)                  36520                     95890
Category Day                       3                         4
Inversion             6pm          25F/8am      5pm          26F/6am
Dispersion                         5                         5
Max ADI Early         11 Poor      32 Fair      12 Poor      62 Good
Max ADI Late          4 Very Poor  41 Gen Good  14 Gen Poor  64 Good
Max LVORI Early       9            8            5            5
Max LVORI Late        9            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ074-030915-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Mcldy
Precip Type           Frz Rain     None         Snow/Fz Ra   Snow
Chance Precip (%)     20           0            40           40
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      22 (-4)      34 (-2)      23           30
RH % (24h trend)      96 (-3)      63 (+2)      91           57
Wind 20ft/early(mph)  NW  7 G17    W  5         SW  6 G17    W 10 G22
Wind 20ft/late(mph)   Lgt/Var      SW  6        SW  8 G20    NW 11 G22
Precip Amount         0.01         0.00         0.01         0.03
Precip Duration       0                         1            1
Precip Begin          6 PM                      1 AM         Continuing
Precip End            9 PM                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              760                       1290
Mixing Hgt(ft-agl/msl)             2480                      4240
Transport Wnd (mph)                W 17                      NW 25
Vent Rate (kt-ft)                  38930                     112580
Category Day                       3                         4
Inversion             6pm          24F/8am      4pm          26F/4am
Dispersion                         5                         5
Max ADI Early         12 Poor      30 Fair      8 Poor       65 Good
Max ADI Late          6 Very Poor  38 Fair      17 Gen Poor  69 Good
Max LVORI Early       5            5            4            4
Max LVORI Late        6            3            4            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ075-030915-
Fayette-
Including the city of Uniontown
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            40           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      23 (-4)      35 (-2)      23           32
RH % (24h trend)      100 (+2)     70 (-2)      95           64
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      SW  5        W  7
Wind 20ft/late(mph)   Lgt/Var      SW  7        SW  6        NW  8
Precip Amount         0.00         0.00         0.00         0.02
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              770                       1260
Mixing Hgt(ft-agl/msl)             2540                      4140
Transport Wnd (mph)                SW 15                     NW 20
Vent Rate (kt-ft)                  37100                     86100
Category Day                       3                         4
Inversion             6pm          26F/8am      5pm          26F/6am
Dispersion                         5                         5
Max ADI Early         8 Poor       31 Fair      7 Poor       52 Gen Good
Max ADI Late          4 Very Poor  42 Gen Good  10 Poor      54 Gen Good
Max LVORI Early       8            8            5            5
Max LVORI Late        9            4            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ076-030915-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Mcldy
Precip Type           Snow/Fz Ra   Frz Rain     Snow/Fz Ra   Snow
Chance Precip (%)     30           10           40           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      22 (-4)      33 (-3)      22           30
RH % (24h trend)      99 (+1)      66 (-2)      95           61
Wind 20ft/early(mph)  NW  6        Lgt/Var      SW  5        W  7 G18
Wind 20ft/late(mph)   Lgt/Var      SW  5        SW  6        NW  8 G18
Precip Amount         0.02         0.00         0.00         0.04
Precip Duration       1            0            1            1
Precip Begin          6 PM         Continuing   1 AM         Continuing
Precip End            Continuing   7 AM         Continuing   1 PM
Mixing Hgt(m-agl/msl)              670                       1140
Mixing Hgt(ft-agl/msl)             2200                      3750
Transport Wnd (mph)                W 15                      NW 22
Vent Rate (kt-ft)                  35560                     92230
Category Day                       3                         4
Inversion             6pm          25F/9am      4pm          24F/7am
Dispersion                         5                         5
Max ADI Early         11 Poor      27 Fair      7 Poor       55 Gen Good
Max ADI Late          6 Very Poor  32 Fair      13 Gen Poor  58 Gen Good
Max LVORI Early       6            6            5            4
Max LVORI Late        7            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ077-030915-
Indiana-
Including the city of Indiana
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Mcldy        Pcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            50           40
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      20 (-4)      34 (-2)      23           31
RH % (24h trend)      99 (+4)      70 (+4)      94           61
Wind 20ft/early(mph)  NW  6        W  5         SW  7        W 11 G21
Wind 20ft/late(mph)   Lgt/Var      SW  8        SW  8 G18    NW 11 G22
Precip Amount         0.00         0.00         0.01         0.02
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              740                       1320
Mixing Hgt(ft-agl/msl)             2440                      4320
Transport Wnd (mph)                SW 17                     NW 25
Vent Rate (kt-ft)                  38660                     110200
Category Day                       3                         4
Inversion             6pm          24F/8am      5pm          26F/4am
Dispersion                         5                         5
Max ADI Early         10 Poor      33 Fair      14 Gen Poor  69 Good
Max ADI Late          6 Very Poor  36 Fair      17 Gen Poor  73 Good
Max LVORI Early       6            7            4            4
Max LVORI Late        7            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ078-030915-
Higher Elevations of Indiana-
Including the city of Armagh
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Mcldy        Pcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            40           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      21 (-3)      32 (-4)      23           30
RH % (24h trend)      96 (0)       68 (+7)      91           59
Wind 20ft/early(mph)  NW  6        W  5         SW  7 G17    W 11 G22
Wind 20ft/late(mph)   Lgt/Var      SW  7        W  9 G19     NW 11 G23
Precip Amount         0.00         0.00         0.01         0.02
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              730                       1270
Mixing Hgt(ft-agl/msl)             2380                      4160
Transport Wnd (mph)                W 17                      NW 26
Vent Rate (kt-ft)                  38290                     109230
Category Day                       3                         4
Inversion             6pm          25F/8am      5pm          26F/4am
Dispersion                         5                         5
Max ADI Early         13 Gen Poor  31 Fair      15 Gen Poor  74 Good
Max ADI Late          8 Poor       35 Fair      17 Gen Poor  76 Good
Max LVORI Early       5            6            4            4
Max LVORI Late        6            3            4            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ001-030915-
Hancock-
Including the city of Weirton
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mcldy        Mcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            60           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      22 (-7)      34 (-1)      24           30
RH % (24h trend)      94 (-4)      65 (-12)     91           57
Wind 20ft/early(mph)  Lgt/Var      SW  5        SW  6        W  8
Wind 20ft/late(mph)   Lgt/Var      SW  8        SW  6        NW  8
Precip Amount         0.00         0.00         0.01         0.01
Precip Duration                                 4            2
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              770                       1310
Mixing Hgt(ft-agl/msl)             2520                      4290
Transport Wnd (mph)                SW 18                     NW 20
Vent Rate (kt-ft)                  43840                     71300
Category Day                       3                         4
Inversion             6pm          23F/7am      5pm          27F/4am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  33 Fair      13 Gen Poor  56 Gen Good
Max ADI Late          4 Very Poor  50 Gen Good  11 Poor      57 Gen Good
Max LVORI Early       6            6            4            4
Max LVORI Late        6            3            5            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ002-030915-
Brooke-
Including the cities of Follansbee and Wellsburg
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            50           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      22 (-7)      35 (-1)      24           31
RH % (24h trend)      94 (-4)      63 (-13)     90           55
Wind 20ft/early(mph)  Lgt/Var      SW  5        SW  6        W  7
Wind 20ft/late(mph)   Lgt/Var      SW  8        SW  6        NW  8
Precip Amount         0.00         0.00         0.01         0.01
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              770                       1290
Mixing Hgt(ft-agl/msl)             2520                      4220
Transport Wnd (mph)                SW 17                     NW 18
Vent Rate (kt-ft)                  40030                     69560
Category Day                       3                         4
Inversion             6pm          24F/5am      6pm          27F/6am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  33 Fair      12 Poor      54 Gen Good
Max ADI Late          4 Very Poor  49 Gen Good  9 Poor       56 Gen Good
Max LVORI Early       6            6            4            4
Max LVORI Late        6            3            5            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ003-030915-
Ohio-
Including the city of Wheeling
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            50           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      23 (-5)      35 (-1)      24           31
RH % (24h trend)      96 (0)       64 (-14)     93           56
Wind 20ft/early(mph)  Lgt/Var      SW  6        SW  6        W  7
Wind 20ft/late(mph)   Lgt/Var      SW  8        SW  6        NW  8
Precip Amount         0.00         0.00         0.01         0.01
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              720                       1230
Mixing Hgt(ft-agl/msl)             2370                      4050
Transport Wnd (mph)                SW 17                     NW 20
Vent Rate (kt-ft)                  37250                     64240
Category Day                       3                         4
Inversion             6pm          25F/4am      6pm          27F/7am
Dispersion                         5                         5
Max ADI Early         7 Poor       32 Fair      11 Poor      52 Gen Good
Max ADI Late          5 Very Poor  45 Gen Good  11 Poor      58 Gen Good
Max LVORI Early       7            6            4            5
Max LVORI Late        7            3            5            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ004-030915-
Marshall-
Including the city of Moundsville
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy
Precip Type           None         None         Snow/Fz Ra   Snow
Chance Precip (%)     0            0            40           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      23 (-5)      36 (0)       25           33
RH % (24h trend)      96 (-1)      67 (-13)     93           57
Wind 20ft/early(mph)  Lgt/Var      SW  5        SW  5        W  6
Wind 20ft/late(mph)   Lgt/Var      SW  7        SW  5        NW  7
Precip Amount         0.00         0.00         0.00         0.01
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              730                       1240
Mixing Hgt(ft-agl/msl)             2390                      4080
Transport Wnd (mph)                SW 15                     NW 17
Vent Rate (kt-ft)                  35540                     72680
Category Day                       3                         4
Inversion             6pm          24F/6am      6pm          27F/7am
Dispersion                         5                         5
Max ADI Early         7 Poor       28 Fair      8 Poor       45 Gen Good
Max ADI Late          4 Very Poor  42 Gen Good  8 Poor       57 Gen Good
Max LVORI Early       6            5            5            5
Max LVORI Late        7            3            5            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ012-030915-
Wetzel-
Including the city of New Martinsville
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            30           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      24 (-4)      34 (-2)      24           32
RH % (24h trend)      98 (+1)      71 (-11)     94           59
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      W  5
Wind 20ft/late(mph)   Lgt/Var      SW  6        Lgt/Var      NW  6
Precip Amount         0.00         0.00         0.00         0.02
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              730                       1180
Mixing Hgt(ft-agl/msl)             2380                      3860
Transport Wnd (mph)                SW 14                     NW 14
Vent Rate (kt-ft)                  33790                     60980
Category Day                       3                         3
Inversion             6pm          25F/6am      5pm          27F/8am
Dispersion                         5                         5
Max ADI Early         7 Poor       23 Fair      6 Very Poor  41 Gen Good
Max ADI Late          4 Very Poor  34 Fair      8 Poor       42 Gen Good
Max LVORI Early       7            5            6            5
Max LVORI Late        7            4            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ021-030915-
Marion-
Including the city of Fairmont
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            30           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      24 (-4)      34 (-2)      23           32
RH % (24h trend)      100 (+2)     72 (-10)     96           62
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      W  5
Wind 20ft/late(mph)   Lgt/Var      SW  6        Lgt/Var      NW  7
Precip Amount         0.00         0.00         0.00         0.02
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              740                       1140
Mixing Hgt(ft-agl/msl)             2440                      3760
Transport Wnd (mph)                SW 13                     NW 14
Vent Rate (kt-ft)                  33340                     61930
Category Day                       3                         3
Inversion             6pm          26F/4am      6pm          27F/8am
Dispersion                         5                         5
Max ADI Early         8 Poor       23 Fair      5 Very Poor  39 Fair
Max ADI Late          4 Very Poor  35 Fair      8 Poor       41 Gen Good
Max LVORI Early       9            5            6            5
Max LVORI Late        8            4            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ509-030915-
Monongalia-
Including the city of Morgantown
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         Snow         Snow
Chance Precip (%)     0            0            30           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      24 (-4)      34 (-2)      23           32
RH % (24h trend)      99 (0)       71 (-11)     95           62
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      W  6
Wind 20ft/late(mph)   Lgt/Var      SW  6        Lgt/Var      NW  7
Precip Amount         0.00         0.00         0.00         0.02
Precip Duration                                 1            1
Precip Begin                                    1 AM         Continuing
Precip End                                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              770                       1200
Mixing Hgt(ft-agl/msl)             2530                      3920
Transport Wnd (mph)                SW 14                     NW 15
Vent Rate (kt-ft)                  35860                     64070
Category Day                       3                         4
Inversion             6pm          26F/5am      6pm          27F/8am
Dispersion                         5                         5
Max ADI Early         8 Poor       26 Fair      5 Very Poor  41 Gen Good
Max ADI Late          4 Very Poor  36 Fair      8 Poor       44 Gen Good
Max LVORI Early       8            5            6            5
Max LVORI Late        8            4            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ510-030915-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Mcldy
Precip Type           Snow/Fz Ra   None         Snow         Snow
Chance Precip (%)     20           0            30           30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      23 (-5)      32 (-3)      23           29
RH % (24h trend)      100 (0)      71 (-15)     95           65
Wind 20ft/early(mph)  NW  5        Lgt/Var      Lgt/Var      W  7
Wind 20ft/late(mph)   Lgt/Var      SW  5        SW  6        NW  7
Precip Amount         0.02         0.00         0.00         0.03
Precip Duration       1                         1            1
Precip Begin          7 PM                      1 AM         Continuing
Precip End            11 PM                     Continuing   1 PM
Mixing Hgt(m-agl/msl)              600                       1040
Mixing Hgt(ft-agl/msl)             1980                      3420
Transport Wnd (mph)                SW 13                     NW 16
Vent Rate (kt-ft)                  27050                     60170
Category Day                       2                         3
Inversion             6pm          24F/6am      4pm          26F/8am
Dispersion                         5                         5
Max ADI Early         10 Poor      22 Fair      6 Very Poor  39 Fair
Max ADI Late          6 Very Poor  25 Fair      10 Poor      44 Gen Good
Max LVORI Early       7            6            5            5
Max LVORI Late        8            4            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ511-030915-
Preston-
Including the cities of Kingwood and Bruceton Mills
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Pcldy        Mcldy
Precip Type           Snow/Fz Ra   None         Snow         Snow
Chance Precip (%)     30           0            20           40
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      23 (-5)      34 (-2)      23           30
RH % (24h trend)      100 (0)      69 (-10)     96           64
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      W  6
Wind 20ft/late(mph)   Lgt/Var      SW  5        Lgt/Var      NW  7
Precip Amount         0.01         0.00         0.00         0.02
Precip Duration       0                         1            1
Precip Begin          6 PM                      1 AM         Continuing
Precip End            9 PM                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              700                       1110
Mixing Hgt(ft-agl/msl)             2310                      3640
Transport Wnd (mph)                SW 13                     NW 18
Vent Rate (kt-ft)                  32800                     80800
Category Day                       3                         4
Inversion             6pm          25F/4am      6pm          24F/7am
Dispersion                         5                         5
Max ADI Early         11 Poor      24 Fair      6 Very Poor  46 Gen Good
Max ADI Late          5 Very Poor  31 Fair      10 Poor      50 Gen Good
Max LVORI Early       8            5            6            5
Max LVORI Late        8            4            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ512-030915-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mclear       Mcldy
Precip Type           Snow/Fz Ra   None         Snow         Snow
Chance Precip (%)     30           0            20           40
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      22 (-4)      33 (-3)      22           29
RH % (24h trend)      99 (-1)      68 (-3)      94           66
Wind 20ft/early(mph)  NW  8 G18    W  5         SW  5        W  9 G19
Wind 20ft/late(mph)   Lgt/Var      SW  5        SW  7 G18    W  8 G19
Precip Amount         0.02         0.00         0.00         0.02
Precip Duration       0                         1            1
Precip Begin          6 PM                      1 AM         Continuing
Precip End            9 PM                      Continuing   1 PM
Mixing Hgt(m-agl/msl)              610                       1020
Mixing Hgt(ft-agl/msl)             1990                      3340
Transport Wnd (mph)                W 14                      W 21
Vent Rate (kt-ft)                  28000                     72480
Category Day                       2                         4
Inversion             6pm          23F/5am      6pm          25F/8am
Dispersion                         5                         5
Max ADI Early         15 Gen Poor  22 Fair      7 Poor       53 Gen Good
Max ADI Late          11 Poor      28 Fair      17 Gen Poor  54 Gen Good
Max LVORI Early       6            5            5            4
Max LVORI Late        7            4            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ513-030915-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mclear       Mcldy
Precip Type           Snow/Fz Ra   None         None         Snow
Chance Precip (%)     30           0            0            40
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      22 (-5)      36 (-1)      22           31
RH % (24h trend)      97 (-3)      60 (-6)      92           60
Wind 20ft/early(mph)  NW  7 G19    Lgt/Var      Lgt/Var      W  7 G18
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      W  8 G18
Precip Amount         0.02         0.00         0.00         0.02
Precip Duration       1                                      1
Precip Begin          6 PM                                   7 AM
Precip End            9 PM                                   1 PM
Mixing Hgt(m-agl/msl)              740                       1000
Mixing Hgt(ft-agl/msl)             2410                      3290
Transport Wnd (mph)                W 10                      W 20
Vent Rate (kt-ft)                  28820                     69510
Category Day                       2                         4
Inversion             6pm          24F/4am      6pm          25F/8am
Dispersion                         5                         5
Max ADI Early         17 Gen Poor  22 Fair      5 Very Poor  49 Gen Good
Max ADI Late          9 Poor       29 Fair      10 Poor      50 Gen Good
Max LVORI Early       5            5            5            5
Max LVORI Late        7            3            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ514-030915-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
336 PM EST Tue Dec 2 2025

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mcldy        Pcldy        Mclear       Pcldy
Precip Type           Snow/Fz Ra   None         None         Snow
Chance Precip (%)     30           0            0            30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      17 (-5)      33 (-2)      20           27
RH % (24h trend)      100 (0)      65 (-8)      93           71
Wind 20ft/early(mph)  NW 10 G28    W  5         Lgt/Var      W 10 G26
Wind 20ft/late(mph)   NW  6 G22    Lgt/Var      W  7 G23     W 10 G26
Precip Amount         0.04         0.00         0.00         0.02
Precip Duration       0                                      1
Precip Begin          6 PM                                   7 AM
Precip End            9 PM                                   1 PM
Mixing Hgt(m-agl/msl)              570                       860
Mixing Hgt(ft-agl/msl)             1870                      2820
Transport Wnd (mph)                W 13                      W 24
Vent Rate (kt-ft)                  26190                     84100
Category Day                       2                         4
Inversion             6pm          27F/11am     4pm          24F/9am
Dispersion                         5                         5
Max ADI Early         26 Fair      18 Gen Poor  7 Poor       58 Gen Good
Max ADI Late          18 Gen Poor  23 Fair      18 Gen Poor  57 Gen Good
Max LVORI Early       5            5            5            4
Max LVORI Late        6            4            4            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Partly cloudy. Lows around 10. Highs in the lower 30s.
Light winds.
.SATURDAY...Mostly cloudy. Lows in the lower 20s. Highs in the
mid 30s. Southwest winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. Lows in the lower 20s. Highs in the
lower 30s. Northwest winds 5 to 10 mph.
.MONDAY...Mostly cloudy. A chance of snow. Lows around 18. Highs
around 30. North winds 5 to 10 mph.
.TUESDAY...Mostly cloudy with a chance of snow. Lows around 15.
Highs in the lower 30s. Southwest winds 5 to 10 mph.

$$

MLB