950
FNUS71 KPBZ 220130
FWSPBZ

Spot Forecast for Nursery Bottom Prescribed Burn...USDA Forest Service
National Weather Service Pittsburgh PA
930 PM EDT Fri Mar 21 2025

Forecast is based on ignition time of 2200 EDT on March 21.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Wind gusts have subsided after dark with the loss of diurnal mixing.

A passing disturbance is expected to increase precipitation chances after dawn
Saturday, ahead of a cold front. Rainfall totals will be light, between a
trace to 0.20 inches through Saturday evening. Rain showers may be accompanied
by gusty conditions at times, gusts could range from 35-40mph.

Forecaster: Hefferan

.REST OF TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (50-60 percent) then becoming
                    partly cloudy (25-35 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 38.
Max humidity........62 percent.
Wind (20 ft)........Light winds becoming southwest around 5 mph
                    with gusts to around 16 mph early in the
                    morning.
Mixing height.......1400 ft AGL.
Transport winds.....Southwest 12 to 17 mph.
LVORI...............2.
ADI.................5 to 12.

TIME (EDT)      10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........22  34  45  56  58  57  43  19
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0
Temp............40  39  39  39  39  39  39  39
RH..............45  47  48  50  48  49  52  53
20 FT wind dir..S   SE  S   S   S   S   SW  SW
20 FT wind spd..1   2   2   2   2   3   4   6
20 FT wind gust.8   7   10  10  11  12  14  16
Mix hgt (kft)...1.4 1.4 1.5 1.5 1.6 1.6 1.6 1.5
Transp wind dir.W   SW  SW  SW  SW  SW  SW  SW
Transp wind spd.12  13  14  14  14  16  17  17
LVORI...........2   2   2   2   2   2   2   2
ADI.............5   6   6   6   6   7   12  8

.SATURDAY...

Sky/weather.........Sunny (10-20 percent) then becoming partly
                    sunny (60-70 percent) then becoming mostly
                    cloudy (80-90 percent). Rain showers likely in
                    the morning. Chance of rain showers in the
                    afternoon.
Chance of pcpn......60 percent.
Max temperature.....Around 51.
Min humidity........52 percent.
Wind (20 ft)........Southwest winds 6 to 13 mph shifting to the
                    west 12 to 13 mph late in the afternoon. Gusts
                    up to 30 mph.
Mixing height.......5100 ft AGL.
Transport winds.....Southwest 17 to 21 mph increasing to west 28 to
                    36 mph in the late morning and afternoon.
LVORI...............2.
ADI.................36 early in the morning increasing to 110 in
                    the afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........16  14  51  72  76  77  82  81  90  85  87  79
Weather cov.....            LKY             SCH CHC CHC CHC SCH
Weather type....            RW              RW  RW  RW  RW  RW
Tstm cov........
Chc of pcpn (%).0   0   0   60  0   10  0   20  50  50  50  20
Temp............40  40  40  42  41  44  45  47  48  51  51  49
RH..............53  55  54  57  70  66  63  60  55  54  55  56
20 FT wind dir..SW  SW  SW  SW  SW  W   W   W   W   W   W   W
20 FT wind spd..6   6   7   8   9   10  11  12  12  12  11  11
20 FT wind gust.17  18  18  19  21  22  23  23  24  24  24  23
Mix hgt (kft)...1.6 1.6 1.9 3.0 3.2 4.3 4.8 5.1 4.3 3.7 3.8 4.0
Transp wind dir.SW  SW  SW  SW  W   W   W   W   W   W   W   W
Transp wind spd.17  18  21  28  28  35  35  36  33  31  32  32
LVORI...........1   1   1   1   3   1   1   1   1   1   1   1
ADI.............36  37  49  66  69  99  104 110 95  83  87  89

.SATURDAY NIGHT...

Sky/weather.........Mostly cloudy (60-70 percent) then becoming
                    partly cloudy (25-35 percent). Slight chance of
                    rain showers early in the evening.
Chance of pcpn......20 percent.
Min temperature.....Around 28.
Max humidity........74 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph with gusts to
                    around 21 mph in the evening becoming light.
Mixing height.......1600 ft AGL.
Transport winds.....Northwest 21 to 28 mph shifting to the west 12
                    to 18 mph overnight.
LVORI...............2.
ADI.................5 to 37.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........70  60  58  45  45  36  33  34  14  13  12  11
Weather cov.....SCH SCH
Weather type....RW  RW
Tstm cov........
Chc of pcpn (%).20  20  10  10  10  0   0   0   0   0   0   0
Temp............48  46  43  41  39  37  35  34  33  30  30  29
RH..............53  53  56  60  59  61  65  68  66  71  72  74
20 FT wind dir..W   W   NW  NW  NW  NW  NW  NW  W   W   W   W
20 FT wind spd..10  8   7   6   6   6   5   4   3   2   1   1
20 FT wind gust.21  19  18  18  17  14  13  12  11  10  8   6
Mix hgt (kft)...3.5 3.1 2.8 2.4 2.4 2.4 2.4 2.2 2.1 2.0 1.8 1.6
Transp wind dir.W   W   NW  NW  NW  NW  NW  NW  W   W   W   W
Transp wind spd.28  26  22  21  22  21  21  18  17  14  13  12
LVORI...........1   1   2   2   2   3   3   3   3   3   3   3
ADI.............37  36  29  28  15  9   9   8   8   6   5   5

$$
Forecaster...SKH
Requested by...Amy Farley
Type of request...PRESCRIBED
.TAG 2507408.0/PBZ
.DELDT 03/21/25
.FormatterVersion 2.0.0
.EMAIL afarley719@yahoo.com