Suppression Forecast
Issued by NWS State College, PA

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FNUS71 KCTP 231703
FWSCTP

Spot Forecast for SGL 169 8/22/17...PA Game Commission
National Weather Service State College PA
103 PM EDT Wed Aug 23 2017

Forecast is based on ignition time of 1900 EDT on August 23.

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

.DISCUSSION...

A large area of Canadian high pressure will build southeast
and bring us a string of mainly dry and comfortably cool
weather with low humidity right into early next week.


Sky/weather.........Mostly clear (5-15 percent).
LAL.................No Tstms.
Min temperature.....MISSING.
Max humidity........52 percent.
Wind (20 ft)........Northwest winds around 6 mph.
Mixing height.......4600 ft AGL.
Transport winds.....Northwest around 10 mph.
Haines Index........4...or low potential for large plume dominated
                    fire growth.

TIME (EDT)
Sky (%).........
Weather cov.....
Weather type....
Tstm cov........
LAL.............
Temp............
RH..............
20 FT wind dir..
20 FT wind spd..
20 FT wind gust.
Mix hgt (kft)...
Transp wind dir.
Transp wind spd.
Haines index....

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
LAL.................No Tstms.
Min temperature.....Around 55.
Max humidity........86 percent.
Wind (20 ft)........Northwest winds around 6 mph early in the
                    evening...becoming light and variable.
Mixing height.......4600 ft AGL...decreasing to 0-300 ft AGL.
Transport winds.....Northwest 3 to 10 mph.
Haines Index........4 to 5...or 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 (%).........11  5   8   8   8   3   3   3   3   3   3   7
Weather cov.....
Weather type....
Tstm cov........
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............75  73  69  67  66  65  64  63  62  61  60  58
RH..............52  55  63  68  68  70  73  75  78  78  81  86
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..5   3   3   2   2   2   2   2   2   2   2   2
20 FT wind gust.10  10  5   5   5   5   5   5   5   5   5   5
Mix hgt (kft)...4.6 2.2 0.3 0.1 0.1 0.3 0.3 0.2 0.2 0.2 0.2 0.2
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.10  8   6   5   5   5   5   3   3   3   3   3
Haines index....4   5   5   5   4   4   4   4   4   4   4   4

.THURSDAY...

Sky/weather.........Sunny (15-25 percent)...then becoming partly
                    sunny (55-65 percent).
LAL.................No Tstms.
Max temperature.....Around 74.
Min humidity........55 percent.
Wind (20 ft)........Light and variable winds.
Mixing height.......0-1900 ft AGL...increasing to 3900-5600 ft AGL
                    late in the morning...then increasing to
                    6100-7600 ft AGL in the afternoon...decreasing
                    to 4800 ft AGL late.
Transport winds.....Northwest 2 to 8 mph.
Haines Index........3 to 4...or very low to low potential for large
                    plume dominated fire growth.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........7   7   12  12  12  28  28  28  54  54  54  70
Weather cov.....
Weather type....
Tstm cov........
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............56  58  60  63  65  67  69  70  71  72  73  72
RH..............93  90  87  78  75  70  66  61  59  57  55  57
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..2   1   1   1   2   2   2   2   2   2   2   2
20 FT wind gust.5               5   5   5   5   5   5   5   5
Mix hgt (kft)...0.1 0.1 0.3 1.9 3.9 5.6 6.8 7.5 7.6 7.1 6.1 4.8
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.2   2   2   5   6   8   8   8   7   6   6   5
Haines index....4   3   3   3   3   3   3   4   4   4   4   4

$$
Forecaster...WFO-CTP/Lambert
Requested by...Eric R. Horsh
Type of request...PRESCRIBED
.TAG 1714703.0/CTP
.EMAIL ehorsh@pa.gov



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