Spot Forecast Issued by NWS Pittsburgh, PA
000
FNUS71 KPBZ 230812
FWSPBZ
Spot Forecast for Sugarloaf woodlands 1...DCNR state parks
National Weather Service Pittsburgh PA
412 AM EDT Tue Apr 23 2024
Forecast is based on ignition time of 0500 EDT on April 23.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...
Low relative humidity levels and increasing wind speeds are
expected today. Dry weather will continue today. Wind will also
increase ahead of an approaching cold front, with gusts from 20-25
mph by this afternoon. With dry air in place, RH values are
expected to drop to around 25 percent this afternoon. RH will
recover to between 95 and 100 percent tonight as showers
overspread the region with the crossing cold front.
.TODAY...
Sky/weather.........Mostly sunny (45-55 percent) then becoming
mostly cloudy (70-80 percent). Areas of frost
early in the morning.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 61.
Min humidity........25 percent.
Wind (20 ft)........Southwest winds 7 to 13 mph.
Mixing height.......5400 ft AGL.
Transport winds.....Southwest 12 to 20 mph increasing to 22 to 24
mph in the afternoon.
LVORI...............2.
ADI.................12 early in the morning increasing to 103 in
the afternoon.
Haines Index........4 to 5...or low to moderate potential for large
plume dominated fire growth.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........72 66 57 48 43 29 41 35 26 40 47 74
Weather cov.....ARS ARS
Weather type....FST FST
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............40 40 43 47 50 53 55 58 60 61 61 61
RH..............57 56 52 45 42 37 33 30 27 26 25 25
20 FT wind dir..S S SW SW SW SW SW SW SW SW SW SW
20 FT wind spd..6 6 6 8 10 11 12 12 12 12 13 13
20 FT wind gust.11 11 13 14 14 14 16 18 18 20 18 18
Mix hgt (kft)...0.4 0.4 0.5 1.2 2.9 4.1 4.3 4.8 5.1 5.4 5.4 5.1
Transp wind dir.S S S SW SW SW SW SW SW SW SW SW
Transp wind spd.12 13 14 17 17 20 20 22 22 24 23 22
LVORI...........2 2 2 2 1 1 1 1 1 1 1 1
ADI.............12 13 14 27 55 74 75 89 91 103 98 91
Haines index....4 4 4 4 4 4 4 4 5 5 5 5
.TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Numerous rain
showers in the evening, then rain showers
overnight.
Chance of pcpn......90 percent.
LAL.................1.
Min temperature.....Around 45.
Max humidity........89 percent.
Wind (20 ft)........Southwest winds 7 to 13 mph.
Mixing height.......700 ft AGL.
Transport winds.....Southwest 18 to 22 mph.
LVORI...............3.
ADI.................16 to 29.
Haines Index........3 to 5...or very low to moderate potential for
large plume dominated fire growth.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........74 76 72 76 82 88 96 100 100 97 93 88
Weather cov..... ISO SCT NUM DEF DEF DEF DEF NUM SCT
Weather type.... RW RW RW RW RW RW RW RW RW
Tstm cov........
Chc of pcpn (%).10 10 10 20 50 70 80 80 90 80 70 50
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............60 59 56 55 54 54 51 49 48 49 48 47
RH..............27 30 36 38 41 44 56 68 77 80 82 87
20 FT wind dir..SW SW SW SW SW SW SW W SW W W W
20 FT wind spd..12 12 10 6 7 9 9 12 13 13 13 12
20 FT wind gust.16 14 14 14 16 17 18 18 18 18 18 18
Mix hgt (kft)...4.4 1.2 0.7 0.7 0.8 0.9 1.0 1.3 1.1 1.2 1.1 1.1
Transp wind dir.SW SW SW SW SW SW W W W W W W
Transp wind spd.22 21 18 21 21 21 21 21 22 22 21 21
LVORI...........2 2 2 2 2 2 2 3 3 3 3 4
ADI.............29 19 16 19 19 19 19 19 20 20 19 19
Haines index....5 5 5 5 5 5 5 5 3 3 3 3
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Scattered rain
showers in the morning and early afternoon,
then isolated rain showers late in the
afternoon.
Chance of pcpn......40 percent.
LAL.................1.
Max temperature.....Around 53.
Min humidity........59 percent.
Wind (20 ft)........West winds 12 to 14 mph.
Mixing height.......3700 ft AGL.
Transport winds.....Northwest 18 to 21 mph.
LVORI...............3.
ADI.................30 to 51.
Haines Index........3...or very low potential for large plume
dominated fire growth.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........86 87 74 82 84 77 72 66 61 62 63 64
Weather cov.....SCT SCT SCT SCT SCT SCT SCT SCT ISO ISO ISO
Weather type....RW RW RW RW RW RW RW RW RW RW RW
Tstm cov........
Chc of pcpn (%).40 30 30 30 40 30 30 30 20 20 20 10
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............46 46 46 47 47 49 50 51 53 52 52 52
RH..............88 89 86 83 80 76 71 66 61 60 60 59
20 FT wind dir..W W W W W W W W W W NW NW
20 FT wind spd..12 11 11 12 13 15 13 13 13 13 14 14
20 FT wind gust.17 17 17 18 18 16 14 16 16 16
Mix hgt (kft)...1.2 1.3 1.7 1.7 2.2 2.7 2.8 3.1 3.5 3.7 3.6 3.4
Transp wind dir.W W W W W W W NW NW NW NW NW
Transp wind spd.21 21 21 21 21 18 18 18 20 20 18 18
LVORI...........4 4 4 4 3 3 3 1 1 1 1 1
ADI.............30 31 36 37 42 42 42 46 50 51 50 47
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
$$
Forecaster...WM
Requested by...Michael DiRinaldo
Type of request...PRESCRIBED
.TAG 2411781.0/PBZ
.DELDT 04/23/24
.FormatterVersion 2.0.0
.EMAIL mdirinaldo@pa.gov