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

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352
FNUS51 KPBZ 210520
FWFPBZ

Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
120 AM EDT Thu Aug 21 2025

.Discussion...

The chance for isolated showers is minimal today as latest hi-res
guidance has backed off with hourly probabilities (single digits).
MinRH values will be 60 or greater with seasonal daytime highs.
Winds will be out of the north- northeast around 5-10 mph with
gusts in eastern Ohio up to 15 mph.

Friday is forecast to be drier with a minimum relative
humidity largely at or above 40%. Overnight into Friday, light
wind will gradually veer from northeast to east.

&&

OHZ039-212030-
Tuscarawas-
Including the cities of New Philadelphia and Dover
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (+1)      61 (-5)      84
RH % (24h trend)      65 (-9)      100 (+2)     48
20ft Wnd-Val/AM(mph)  NE  5                     Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  6        N  5         Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1070                      1930
Mixing Hgt(ft-agl/msl)3510                      6330
Transport Wnd (mph)   NE  9                     NE  3
Vent Rate (kt-ft)     42320                     4400
Dispersion            5                         3
ADI early             20 Gen Poor  9 Poor       25 Fair
ADI late              36 Fair      5 Very Poor  30 Fair
Max LVORI early       6            7            9
Max LVORI late        4            9            3

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


$$

OHZ040-212030-
Carroll-
Including the cities of Carrollton and Malvern
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (+1)      61 (-4)      84
RH % (24h trend)      64 (-6)      100 (+1)     45
20ft Wnd-Val/AM(mph)  NE  5                     Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  6        NE  5        Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1070                      1860
Mixing Hgt(ft-agl/msl)3510                      6090
Transport Wnd (mph)   NE  9                     NE  5
Vent Rate (kt-ft)     40240                     4140
Dispersion            5                         3
ADI early             17 Gen Poor  17 Gen Poor  25 Fair
ADI late              33 Fair      5 Very Poor  31 Fair
Max LVORI early       6            7            9
Max LVORI late        4            9            3

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


$$

OHZ041-212030-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (0)       60 (-5)      83
RH % (24h trend)      62 (-6)      100 (0)      44
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  5        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1100                      1740
Mixing Hgt(ft-agl/msl)3600                      5700
Transport Wnd (mph)   NE  9                     NE  3
Vent Rate (kt-ft)     42360                     5740
Dispersion            5                         3
ADI early             17 Gen Poor  9 Poor       23 Fair
ADI late              38 Fair      5 Very Poor  29 Fair
Max LVORI early       6            6            9
Max LVORI late        4            9            3

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


$$

OHZ048-212030-
Coshocton-
Including the city of Coshocton
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (+1)      61 (-4)      84
RH % (24h trend)      66 (-10)     100 (+1)     50
20ft Wnd-Val/AM(mph)  N  5                      Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  6        N  5         Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1130                      1850
Mixing Hgt(ft-agl/msl)3710                      6070
Transport Wnd (mph)   NE 10                     NE  3
Vent Rate (kt-ft)     44370                     4140
Dispersion            5                         3
ADI early             28 Fair      9 Poor       20 Gen Poor
ADI late              45 Gen Good  5 Very Poor  26 Fair
Max LVORI early       6            7            9
Max LVORI late        3            9            3

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


$$

OHZ049-212030-
Harrison-
Including the city of Cadiz
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (0)       61 (-5)      85
RH % (24h trend)      60 (-8)      100 (+2)     45
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  5        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1110                      1900
Mixing Hgt(ft-agl/msl)3660                      6220
Transport Wnd (mph)   NE  9                     NE  5
Vent Rate (kt-ft)     38520                     4310
Dispersion            5                         3
ADI early             16 Gen Poor  7 Poor       26 Fair
ADI late              39 Fair      5 Very Poor  33 Fair
Max LVORI early       6            7            9
Max LVORI late        4            9            3

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


$$

OHZ050-212030-
Jefferson OH-
Including the city of Steubenville
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      82 (0)       62 (-4)      84
RH % (24h trend)      58 (-6)      99 (+1)      42
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  6        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1160                      1910
Mixing Hgt(ft-agl/msl)3790                      6250
Transport Wnd (mph)   NE  9                     NE  5
Vent Rate (kt-ft)     39040                     5570
Dispersion            5                         3
ADI early             16 Gen Poor  8 Poor       25 Fair
ADI late              40 Fair      5 Very Poor  34 Fair
Max LVORI early       6            6            9
Max LVORI late        3            9            3

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


$$

OHZ057-212030-
Muskingum-
Including the city of Zanesville
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      82 (+1)      62 (-4)      85
RH % (24h trend)      65 (-5)      100 (+2)     51
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  5        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1130                      1830
Mixing Hgt(ft-agl/msl)3710                      5990
Transport Wnd (mph)   N  9                      NE  5
Vent Rate (kt-ft)     45340                     4310
Dispersion            5                         3
ADI early             25 Fair      6 Very Poor  22 Fair
ADI late              41 Gen Good  5 Very Poor  31 Fair
Max LVORI early       6            8            9
Max LVORI late        3            9            3

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


$$

OHZ058-212030-
Guernsey-
Including the city of Cambridge
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      82 (0)       62 (-4)      85
RH % (24h trend)      64 (-5)      100 (+1)     49
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1070                      1840
Mixing Hgt(ft-agl/msl)3530                      6040
Transport Wnd (mph)   N  9                      NE  3
Vent Rate (kt-ft)     41540                     4260
Dispersion            5                         3
ADI early             19 Gen Poor  6 Very Poor  24 Fair
ADI late              39 Fair      5 Very Poor  29 Fair
Max LVORI early       7            8            9
Max LVORI late        3            9            3

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


$$

OHZ059-212030-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Tstms        None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 20           0            0
Temp (24h trend)      82 (-1)      62 (-4)      85
RH % (24h trend)      61 (-5)      100 (+1)     47
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  5        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       0
Precip Begin          1 PM
Precip End            5 PM
Mixing Hgt(m-agl/msl) 1170                      1840
Mixing Hgt(ft-agl/msl)3840                      6050
Transport Wnd (mph)   NE  9                     NE  5
Vent Rate (kt-ft)     40520                     4220
Dispersion            5                         3
ADI early             16 Gen Poor  6 Very Poor  25 Fair
ADI late              42 Gen Good  5 Very Poor  32 Fair
Max LVORI early       6            7            8
Max LVORI late        3            9            3

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


$$

OHZ068-212030-
Noble-
Including the city of Caldwell
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      83 (0)       62 (-4)      85
RH % (24h trend)      64 (0)       100 (0)      50
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1080                      1820
Mixing Hgt(ft-agl/msl)3530                      5980
Transport Wnd (mph)   N  9                      NE  6
Vent Rate (kt-ft)     37000                     4000
Dispersion            5                         2
ADI early             20 Gen Poor  6 Very Poor  23 Fair
ADI late              39 Fair      5 Very Poor  39 Fair
Max LVORI early       6            8            9
Max LVORI late        3            9            3

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


$$

OHZ069-212030-
Monroe-
Including the city of Woodsfield
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      83 (0)       62 (-4)      85
RH % (24h trend)      63 (+1)      100 (+1)     50
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1140                      1830
Mixing Hgt(ft-agl/msl)3750                      5990
Transport Wnd (mph)   NE  9                     NE  6
Vent Rate (kt-ft)     46430                     5540
Dispersion            5                         3
ADI early             19 Gen Poor  5 Very Poor  24 Fair
ADI late              44 Gen Good  4 Very Poor  36 Fair
Max LVORI early       6            7            8
Max LVORI late        3            9            3

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


$$

PAZ007-212030-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Pcldy        Mclear
Precip Type           Showers      None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      80 (0)       57 (-7)      83
RH % (24h trend)      68 (-11)     100 (0)      47
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  5        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       0
Precip Begin          1 PM
Precip End            3 PM
Mixing Hgt(m-agl/msl) 1040                      1800
Mixing Hgt(ft-agl/msl)3400                      5910
Transport Wnd (mph)   NE  9                     NE  3
Vent Rate (kt-ft)     45160                     4100
Dispersion            5                         3
ADI early             15 Gen Poor  7 Poor       19 Gen Poor
ADI late              34 Fair      4 Very Poor  30 Fair
Max LVORI early       8            9            9
Max LVORI late        4            9            3

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


$$

PAZ008-212030-
Venango-
Including the cities of Oil City and Franklin
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      79 (-1)      56 (-7)      82
RH % (24h trend)      69 (-7)      100 (0)      45
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1040                      1860
Mixing Hgt(ft-agl/msl)3420                      6110
Transport Wnd (mph)   NE  9                     NE  3
Vent Rate (kt-ft)     46400                     5060
Dispersion            5                         3
ADI early             16 Gen Poor  6 Very Poor  21 Fair
ADI late              33 Fair      3 Very Poor  30 Fair
Max LVORI early       9            9            9
Max LVORI late        5            10           3

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


$$

PAZ009-212030-
Forest-
Including the city of Tionesta
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      77 (-3)      54 (-8)      82
RH % (24h trend)      62 (-15)     100 (0)      38
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1010                      1830
Mixing Hgt(ft-agl/msl)3300                      5990
Transport Wnd (mph)   NE  9                     N  3
Vent Rate (kt-ft)     39200                     5730
Dispersion            5                         3
ADI early             16 Gen Poor  6 Very Poor  20 Gen Poor
ADI late              30 Fair      3 Very Poor  30 Fair
Max LVORI early       9            7            9
Max LVORI late        4            10           2

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


$$

PAZ013-212030-
Lawrence-
Including the cities of New Castle and Ellwood City
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           Showers      None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (-1)      58 (-6)      84
RH % (24h trend)      63 (-9)      100 (0)      44
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       0
Precip Begin          1 PM
Precip End            4 PM
Mixing Hgt(m-agl/msl) 1090                      1730
Mixing Hgt(ft-agl/msl)3570                      5680
Transport Wnd (mph)   NE  8                     NE  3
Vent Rate (kt-ft)     35820                     4800
Dispersion            5                         3
ADI early             17 Gen Poor  7 Poor       23 Fair
ADI late              39 Fair      3 Very Poor  29 Fair
Max LVORI early       8            9            9
Max LVORI late        4            9            3

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


$$

PAZ014-212030-
Butler-
Including the city of Butler
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      80 (-2)      58 (-6)      83
RH % (24h trend)      65 (-8)      100 (0)      45
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1170                      1830
Mixing Hgt(ft-agl/msl)3840                      6010
Transport Wnd (mph)   NE  8                     NE  3
Vent Rate (kt-ft)     36460                     4520
Dispersion            5                         3
ADI early             20 Gen Poor  5 Very Poor  23 Fair
ADI late              38 Fair      4 Very Poor  29 Fair
Max LVORI early       8            8            9
Max LVORI late        4            9            3

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


$$

PAZ015-212030-
Clarion-
Including the city of Clarion
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      80 (-1)      56 (-8)      83
RH % (24h trend)      60 (-13)     100 (0)      39
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1130                      1840
Mixing Hgt(ft-agl/msl)3720                      6050
Transport Wnd (mph)   NE  8                     NE  3
Vent Rate (kt-ft)     36210                     5640
Dispersion            5                         3
ADI early             21 Fair      6 Very Poor  21 Fair
ADI late              36 Fair      3 Very Poor  30 Fair
Max LVORI early       8            7            9
Max LVORI late        4            10           2

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


$$

PAZ016-212030-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      78 (-1)      54 (-9)      82
RH % (24h trend)      58 (-15)     100 (0)      36
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1110                      1880
Mixing Hgt(ft-agl/msl)3640                      6170
Transport Wnd (mph)   NE  9                     NE  3
Vent Rate (kt-ft)     37420                     5310
Dispersion            5                         3
ADI early             21 Fair      6 Very Poor  24 Fair
ADI late              39 Fair      3 Very Poor  29 Fair
Max LVORI early       7            6            7
Max LVORI late        3            9            2

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


$$

PAZ020-212030-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (-2)      60 (-6)      84
RH % (24h trend)      58 (-5)      99 (0)       42
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1190                      1830
Mixing Hgt(ft-agl/msl)3900                      5990
Transport Wnd (mph)   NE  8                     NE  3
Vent Rate (kt-ft)     37330                     5530
Dispersion            5                         3
ADI early             19 Gen Poor  6 Very Poor  23 Fair
ADI late              38 Fair      4 Very Poor  29 Fair
Max LVORI early       8            6            8
Max LVORI late        3            9            2

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


$$

PAZ021-212030-
Allegheny-
Including the city of Pittsburgh Metro Area
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (-2)      61 (-6)      84
RH % (24h trend)      61 (-10)     99 (0)       44
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  6        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1330                      1940
Mixing Hgt(ft-agl/msl)4360                      6360
Transport Wnd (mph)   NE  9                     NE  5
Vent Rate (kt-ft)     38180                     5800
Dispersion            5                         3
ADI early             23 Fair      5 Very Poor  24 Fair
ADI late              43 Gen Good  4 Very Poor  34 Fair
Max LVORI early       8            6            8
Max LVORI late        3            9            3

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


$$

PAZ022-212030-
Armstrong-
Including the cities of Kittanning and Ford City
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      80 (-2)      58 (-7)      84
RH % (24h trend)      61 (-11)     100 (0)      41
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1250                      1840
Mixing Hgt(ft-agl/msl)4090                      6050
Transport Wnd (mph)   NE  8                     NE  3
Vent Rate (kt-ft)     37830                     5640
Dispersion            5                         3
ADI early             22 Fair      6 Very Poor  21 Fair
ADI late              42 Gen Good  4 Very Poor  31 Fair
Max LVORI early       8            7            8
Max LVORI late        4            9            2

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


$$

PAZ029-212030-
Washington-
Including the cities of Washington and Canonsburg
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (-1)      61 (-5)      83
RH % (24h trend)      60 (-8)      99 (-1)      45
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  6        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1170                      1900
Mixing Hgt(ft-agl/msl)3840                      6230
Transport Wnd (mph)   NE  9                     NE  5
Vent Rate (kt-ft)     43810                     4390
Dispersion            5                         3
ADI early             20 Gen Poor  7 Poor       23 Fair
ADI late              44 Gen Good  4 Very Poor  36 Fair
Max LVORI early       8            6            8
Max LVORI late        3            9            3

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


$$

PAZ031-212030-
Greene-
Including the city of Waynesburg
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (-2)      60 (-6)      84
RH % (24h trend)      64 (-2)      100 (0)      48
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  5        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1170                      1820
Mixing Hgt(ft-agl/msl)3840                      5960
Transport Wnd (mph)   NE 10                     NE  5
Vent Rate (kt-ft)     45620                     4500
Dispersion            5                         3
ADI early             20 Gen Poor  5 Very Poor  25 Fair
ADI late              43 Gen Good  3 Very Poor  32 Fair
Max LVORI early       9            7            9
Max LVORI late        3            9            3

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


$$

PAZ073-212030-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      80 (-3)      59 (-7)      83
RH % (24h trend)      64 (-9)      100 (0)      46
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  5        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1260                      1860
Mixing Hgt(ft-agl/msl)4140                      6090
Transport Wnd (mph)   NE  8                     NE  3
Vent Rate (kt-ft)     36110                     4400
Dispersion            5                         3
ADI early             26 Fair      5 Very Poor  24 Fair
ADI late              41 Gen Good  3 Very Poor  30 Fair
Max LVORI early       9            7            8
Max LVORI late        3            9            3

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


$$

PAZ074-212030-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      79 (-2)      58 (-7)      83
RH % (24h trend)      60 (-17)     99 (-1)      42
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1170                      1820
Mixing Hgt(ft-agl/msl)3840                      5990
Transport Wnd (mph)   NE  7                     NE  3
Vent Rate (kt-ft)     28380                     5010
Dispersion            5                         3
ADI early             21 Fair      4 Very Poor  24 Fair
ADI late              34 Fair      3 Very Poor  29 Fair
Max LVORI early       7            6            8
Max LVORI late        3            9            2

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


$$

PAZ075-212030-
Fayette-
Including the city of Uniontown
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (-2)      60 (-6)      83
RH % (24h trend)      64 (-2)      100 (0)      46
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  5        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1220                      1840
Mixing Hgt(ft-agl/msl)4010                      6030
Transport Wnd (mph)   NE  9                     NE  5
Vent Rate (kt-ft)     33930                     5090
Dispersion            5                         3
ADI early             21 Fair      4 Very Poor  26 Fair
ADI late              41 Gen Good  3 Very Poor  31 Fair
Max LVORI early       9            7            9
Max LVORI late        3            10           3

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


$$

PAZ076-212030-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Showers      None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      78 (-3)      56 (-8)      82
RH % (24h trend)      64 (-7)      100 (0)      48
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       1
Precip Begin          6 AM
Precip End            5 PM
Mixing Hgt(m-agl/msl) 1100                      1660
Mixing Hgt(ft-agl/msl)3610                      5450
Transport Wnd (mph)   NE  7                     NE  3
Vent Rate (kt-ft)     25360                     8380
Dispersion            5                         4
ADI early             18 Gen Poor  4 Very Poor  23 Fair
ADI late              32 Fair      3 Very Poor  26 Fair
Max LVORI early       8            9            9
Max LVORI late        3            9            3

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


$$

PAZ077-212030-
Indiana-
Including the city of Indiana
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      79 (-2)      58 (-7)      84
RH % (24h trend)      64 (-10)     99 (-1)      41
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1200                      1880
Mixing Hgt(ft-agl/msl)3950                      6150
Transport Wnd (mph)   E  9                      NE  3
Vent Rate (kt-ft)     31550                     4860
Dispersion            5                         3
ADI early             25 Fair      6 Very Poor  23 Fair
ADI late              41 Gen Good  4 Very Poor  30 Fair
Max LVORI early       7            6            8
Max LVORI late        3            9            2

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


$$

PAZ078-212030-
Higher Elevations of Indiana-
Including the city of Armagh
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      77 (-2)      58 (-7)      82
RH % (24h trend)      65 (-16)     98 (-2)      43
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1060                      1830
Mixing Hgt(ft-agl/msl)3480                      6010
Transport Wnd (mph)   E  8                      NE  3
Vent Rate (kt-ft)     31440                     4360
Dispersion            5                         3
ADI early             23 Fair      5 Very Poor  24 Fair
ADI late              35 Fair      4 Very Poor  29 Fair
Max LVORI early       7            6            8
Max LVORI late        3            8            2

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


$$

WVZ001-212030-
Hancock-
Including the city of Weirton
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      81 (-1)      62 (-4)      84
RH % (24h trend)      57 (-4)      99 (+2)      42
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  5        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1170                      1900
Mixing Hgt(ft-agl/msl)3820                      6240
Transport Wnd (mph)   NE  9                     NE  5
Vent Rate (kt-ft)     33850                     5760
Dispersion            5                         3
ADI early             19 Gen Poor  7 Poor       24 Fair
ADI late              42 Gen Good  4 Very Poor  33 Fair
Max LVORI early       7            5            8
Max LVORI late        3            8            2

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


$$

WVZ002-212030-
Brooke-
Including the cities of Follansbee and Wellsburg
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      83 (0)       62 (-5)      85
RH % (24h trend)      57 (-7)      100 (+3)     42
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  6        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1200                      1950
Mixing Hgt(ft-agl/msl)3930                      6410
Transport Wnd (mph)   NE  9                     NE  5
Vent Rate (kt-ft)     44840                     4810
Dispersion            5                         3
ADI early             17 Gen Poor  5 Very Poor  24 Fair
ADI late              46 Gen Good  3 Very Poor  35 Fair
Max LVORI early       6            6            8
Max LVORI late        3            9            2

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


$$

WVZ003-212030-
Ohio-
Including the city of Wheeling
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           Showers      None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      82 (-1)      62 (-5)      85
RH % (24h trend)      61 (-4)      100 (+1)     45
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  5        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       0
Precip Begin          1 PM
Precip End            4 PM
Mixing Hgt(m-agl/msl) 1150                      1880
Mixing Hgt(ft-agl/msl)3770                      6180
Transport Wnd (mph)   NE 10                     NE  5
Vent Rate (kt-ft)     35300                     4350
Dispersion            5                         3
ADI early             16 Gen Poor  6 Very Poor  24 Fair
ADI late              45 Gen Good  4 Very Poor  34 Fair
Max LVORI early       8            6            8
Max LVORI late        3            9            3

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


$$

WVZ004-212030-
Marshall-
Including the city of Moundsville
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Tstms        None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 20           0            0
Temp (24h trend)      83 (0)       62 (-5)      86
RH % (24h trend)      64 (0)       100 (+1)     50
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  NE  5        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       0
Precip Begin          1 PM
Precip End            4 PM
Mixing Hgt(m-agl/msl) 1180                      1840
Mixing Hgt(ft-agl/msl)3880                      6040
Transport Wnd (mph)   NE 10                     NE  5
Vent Rate (kt-ft)     42840                     5930
Dispersion            5                         3
ADI early             18 Gen Poor  5 Very Poor  24 Fair
ADI late              44 Gen Good  3 Very Poor  33 Fair
Max LVORI early       8            7            9
Max LVORI late        3            9            3

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


$$

WVZ012-212030-
Wetzel-
Including the city of New Martinsville
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           None         None         None
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      83 (+1)      61 (-5)      85
RH % (24h trend)      68 (+8)      100 (+1)     52
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1240                      1800
Mixing Hgt(ft-agl/msl)4070                      5900
Transport Wnd (mph)   NE  9                     NE  6
Vent Rate (kt-ft)     41890                     5290
Dispersion            5                         3
ADI early             21 Fair      5 Very Poor  26 Fair
ADI late              45 Gen Good  3 Very Poor  37 Fair
Max LVORI early       8            8            8
Max LVORI late        3            9            3

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


$$

WVZ021-212030-
Marion-
Including the city of Fairmont
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Tstms        None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 20           0            0
Temp (24h trend)      81 (-3)      60 (-7)      84
RH % (24h trend)      67 (+5)      100 (0)      52
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       0
Precip Begin          2 PM
Precip End            6 PM
Mixing Hgt(m-agl/msl) 1240                      1760
Mixing Hgt(ft-agl/msl)4070                      5770
Transport Wnd (mph)   NE  9                     NE  5
Vent Rate (kt-ft)     38340                     5070
Dispersion            5                         3
ADI early             25 Fair      5 Very Poor  23 Fair
ADI late              44 Gen Good  3 Very Poor  30 Fair
Max LVORI early       8            8            9
Max LVORI late        3            9            3

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


$$

WVZ509-212030-
Monongalia-
Including the city of Morgantown
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Tstms        None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 20           0            0
Temp (24h trend)      81 (-2)      61 (-6)      83
RH % (24h trend)      67 (+1)      100 (0)      51
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       0
Precip Begin          2 PM
Precip End            6 PM
Mixing Hgt(m-agl/msl) 1210                      1710
Mixing Hgt(ft-agl/msl)3980                      5600
Transport Wnd (mph)   NE  9                     NE  5
Vent Rate (kt-ft)     35880                     5630
Dispersion            5                         3
ADI early             21 Fair      4 Very Poor  24 Fair
ADI late              42 Gen Good  3 Very Poor  29 Fair
Max LVORI early       8            7            9
Max LVORI late        3            9            3

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


$$

WVZ510-212030-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Tstms        None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 20           0            0
Temp (24h trend)      79 (-2)      58 (-7)      81
RH % (24h trend)      67 (-3)      100 (0)      51
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       0
Precip Begin          1 PM
Precip End            6 PM
Mixing Hgt(m-agl/msl) 1090                      1490
Mixing Hgt(ft-agl/msl)3570                      4900
Transport Wnd (mph)   NE  8                     NE  3
Vent Rate (kt-ft)     27760                     5200
Dispersion            5                         3
ADI early             16 Gen Poor  4 Very Poor  22 Fair
ADI late              34 Fair      4 Very Poor  24 Fair
Max LVORI early       8            9            9
Max LVORI late        3            9            3

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


$$

WVZ511-212030-
Preston-
Including the cities of Kingwood and Bruceton Mills
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Showers      None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      80 (-3)      58 (-7)      82
RH % (24h trend)      65 (-3)      100 (0)      50
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       1
Precip Begin          6 AM
Precip End            6 PM
Mixing Hgt(m-agl/msl) 1210                      1590
Mixing Hgt(ft-agl/msl)3970                      5200
Transport Wnd (mph)   NE  8                     NE  3
Vent Rate (kt-ft)     31240                     7130
Dispersion            5                         3
ADI early             22 Fair      4 Very Poor  23 Fair
ADI late              38 Fair      4 Very Poor  26 Fair
Max LVORI early       8            9            9
Max LVORI late        3            9            3

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


$$

WVZ512-212030-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Showers      None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      77 (-4)      58 (-7)      81
RH % (24h trend)      66 (-2)      100 (0)      50
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       1
Precip Begin          6 AM
Precip End            5 PM
Mixing Hgt(m-agl/msl) 1060                      1530
Mixing Hgt(ft-agl/msl)3480                      5030
Transport Wnd (mph)   NE  8                     NE  3
Vent Rate (kt-ft)     31120                     8700
Dispersion            5                         4
ADI early             19 Gen Poor  4 Very Poor  19 Gen Poor
ADI late              31 Fair      4 Very Poor  22 Fair
Max LVORI early       8            9            9
Max LVORI late        4            9            3

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


$$

WVZ513-212030-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Showers      None         None
Chance Precip (%)     20           0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      79 (-3)      57 (-7)      82
RH % (24h trend)      62 (+2)      100 (0)      49
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00
Precip Duration       1
Precip Begin          6 AM
Precip End            2 PM
Mixing Hgt(m-agl/msl) 1220                      1580
Mixing Hgt(ft-agl/msl)4010                      5170
Transport Wnd (mph)   NE  8                     N  5
Vent Rate (kt-ft)     25270                     7440
Dispersion            5                         3
ADI early             22 Fair      4 Very Poor  16 Gen Poor
ADI late              39 Fair      3 Very Poor  27 Fair
Max LVORI early       8            9            9
Max LVORI late        3            9            3

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


$$

WVZ514-212030-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
120 AM EDT Thu Aug 21 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      None         None
Chance Precip (%)     30           0            0
Chance of Thunder (%) 0            0            0
Temp (24h trend)      73 (-4)      54 (-7)      77
RH % (24h trend)      74 (+4)      100 (0)      58
20ft Wnd-Val/AM(mph)  Lgt/Var                   Lgt/Var
20ft Wnd-Rdg/PM(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.01         0.00         0.00
Precip Duration       1
Precip Begin          6 AM
Precip End            2 PM
Mixing Hgt(m-agl/msl) 990                       1290
Mixing Hgt(ft-agl/msl)3240                      4230
Transport Wnd (mph)   NE  8                     N  5
Vent Rate (kt-ft)     21570                     11230
Dispersion            5                         4
ADI early             12 Poor      4 Very Poor  11 Poor
ADI late              26 Fair      4 Very Poor  20 Gen Poor
Max LVORI early       8            9            9
Max LVORI late        5            9            4

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


$$

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. Southeast winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the mid 60s. Highs in the lower 80s. South winds around
5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the upper
50s. Highs in the mid 70s. Southwest winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs around 70.
West winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s. West winds 5 to 10 mph.

$$