Suppression Forecast
Issued by NWS State College, PA

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169
FNUS71 KCTP 210904
FWSCTP

Spot Forecast for SGL 82 RX Burn...PA Game Commission
National Weather Service State College PA
504 AM EDT Thu Sep 21 2017

Forecast is based on ignition time of 1000 EDT on September 21.

If conditions become unrepresentative...
contact the National Weather Service in State College.

.DISCUSSION...
A ridge of high pressure at the surface and aloft will remain
in place over the Commonwealth through at least next Tuesday.
This high will continue our lengthy string of fair,
unseasonably warm, and mainly dry weather with light wind
throughout this entire period.

.TODAY...

Sky/weather.........Sunny (15-25 percent). Patchy fog early in the
                    morning.
LAL.................No Tstms.
Max temperature.....Around 76.
Min humidity........58 percent.
Wind (20 ft)........Light and variable winds...becoming north
                    around 5 mph late in the morning.
Mixing height.......0-900 ft AGL...increasing to 3600-4500 ft AGL.
Transport winds.....North 3 to 12 mph.
Haines Index........3 to 5...or very low to moderate potential for
                    large plume dominated fire growth.

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........24  7   8   8   9   8   7   5
Weather cov.....
Weather type....
Tstm cov........
LAL.............1   1   1   1   1   1   1   1
Temp............66  69  71  74  76  76  75  74
RH..............84  78  71  64  58  58  60  62
20 FT wind dir..N   N   N   N   N   N   N   N
20 FT wind spd..3   4   4   4   4   4   4   4
20 FT wind gust.5   10  10  10  10  10  10  10
Mix hgt (kft)...2.0 3.1 3.8 4.3 4.4 4.5 4.2 3.6
Transp wind dir.N   N   N   N   N   N   N   N
Transp wind spd.8   10  12  10  10  10  9   8
Haines index....4   4   4   5   5   5   5   5

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
LAL.................No Tstms.
Min temperature.....Around 56.
Max humidity........100 percent.
Wind (20 ft)........North winds around 5 mph early in the
                    evening...becoming light and variable.
Mixing height.......1200-2500 ft AGL...decreasing to 0-100 ft AGL
                    early in the evening.
Transport winds.....Northwest 3 to 7 mph.
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 (%).........4   2   4   9   8   7   6   5   14  15  17  18
Weather cov.....
Weather type....
Tstm cov........
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............72  71  70  68  66  64  63  62  61  59  58  57
RH..............66  68  71  76  81  87  90  90  93  100 100 100
20 FT wind dir..N   N   NE  NE  NE  NE  NE  NE  NE  NE  NE  N
20 FT wind spd..4   3   3   3   2   2   2   2   2   2   2   2
20 FT wind gust.10  5   5   5   5   5   5   5   5   5   5   5
Mix hgt (kft)...2.5 1.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.N   N   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.7   5   3   3   3   3   3   3   3   3   3   3
Haines index....4   4   3   3   4   4   4   5   5   5   5   5

.FRIDAY...

Sky/weather.........Sunny (20-30 percent).
LAL.................No Tstms.
Max temperature.....Around 80.
Min humidity........49 percent.
Wind (20 ft)........Light and variable winds.
Mixing height.......0-1600 ft AGL...increasing to 2400-3500 ft AGL
                    late in the morning.
Transport winds.....North 2 to 10 mph...increasing to 9 to 13 mph
                    late in the morning.
Haines Index........5 to 6...or moderate to high potential for
                    large plume dominated fire growth.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........20  21  24  24  24  24  24  24  25  25  25  25
Weather cov.....
Weather type....
Tstm cov........
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............56  56  59  62  65  68  71  74  77  80  80  78
RH..............100 100 96  90  84  81  71  62  54  49  49  52
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..2   2   2   2   2   2   2   3   3   3   3   3
20 FT wind gust.5   5   5   5   5   5   5   5   5   5   5   5
Mix hgt (kft)...0.1 0.1 0.1 0.7 1.6 2.4 3.0 3.3 3.4 3.5 3.3 2.8
Transp wind dir.NW  NW  NW  NW  N   N   N   N   N   N   N   N
Transp wind spd.3   2   3   7   10  13  13  12  10  10  9   9
Haines index....5   5   5   5   5   5   5   6   6   6   6   6

$$
Forecaster...WFO-CTP/Lambert
Requested by...Itle
Type of request...PRESCRIBED
.TAG 1716089.0/CTP
.EMAIL neitle@pa.gov



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