FNUS71 KCTP 220828 FWSCTP SPOT FORECAST FOR SGL 067 UNIT 1...PGC NATIONAL WEATHER SERVICE STATE COLLEGE PA 428 AM EDT MON APR 22 2013 FORECAST IS BASED ON IGNITION TIME OF 0930 EDT ON APRIL 22. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE IN STATE COLLEGE. .DISCUSSION... HIGH PRESSURE CENTERED OVER NORTHERN NEW ENGLAND THIS MORNING WILL EXTEND ITS RIDGE SOUTHWEST INTO THE REGION TODAY THROUGH TUESDAY...MAINTAINING DRY WEATHER AND RELATIVELY LIGHT SOUTHEASTERLY WINDS. HOWEVER...WIND GUSTS COULD TOP OUT AROUND 20 MPH LATE THIS MORNING THROUGH THE MID AFTERNOON HOURS. MINIMUM RELATIVE HUMIDITY THIS AFTERNOON WILL BE AROUND 35 PERCENT...AND AVERAGE 40 TO 45 PERCENT TUESDAY AFTERNOON. ALTHOUGH CONDITIONS ARE NOT OPTIMAL FOR RAPID FIRE GROWTH TODAY...THE GUSTY WINDS COMBINED WITH THE LOW RELATIVE HUMIDITY AND DRYING FINE FUELS WILL BRING AND ELEVATED THREAT FOR WILDFIRE SPREAD IN FIRES THAT DO DEVELOP. THE NEXT CHANCE FOR WIDESPREAD RAINFALL IN THE FORM OF SHOWERS AND SCATTERED THUNDERSTORMS WILL ARRIVE WEDNESDAY AS A COLD FRONT MOVES EAST THROUGH THE DISTRICT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 55. MIN HUMIDITY........35 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 8 TO 13 MPH. LAL.................NO TSTMS. MIXING HEIGHT.......1100-2100 FT AGL...INCREASING TO 5100-5200 FT AGL. TRANSPORT WINDS.....SOUTHEAST 10 TO 18 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............57 52 50 47 41 39 40 42 45 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................40 43 46 48 49 51 52 53 54 RH..................52 45 40 37 36 37 36 36 35 20 FT WIND DIR......SE SE SE SE SE SE SE SE SE 20 FT WIND SPD......9 10 12 13 12 12 10 10 9 20 FT WIND GUST.....15 15 15 20 20 15 15 15 15 MIX HGT (KFT).......3.8 4.3 4.7 4.9 5.0 5.1 5.2 5.2 5.1 TRANSP WIND DIR.....SE SE SE SE SE SE SE SE SE TRANSP WIND SPD.....18 17 16 15 14 13 13 13 13 LAL.................1 1 1 1 1 1 1 1 1 HAINES INDEX........4 4 5 5 5 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY...THEN BECOMING MOSTLY CLOUDY. MIN TEMPERATURE.....AROUND 35. MAX HUMIDITY........76 PERCENT. WIND (20 FT)........EAST WINDS 5 TO 9 MPH. LAL.................NO TSTMS. MIXING HEIGHT.......3800-4900 FT AGL...DECREASING TO 400-600 FT AGL. TRANSPORT WINDS.....EAST 9 TO 17 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).............47 50 51 52 55 58 61 64 65 67 69 72 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................52 50 48 47 45 43 42 40 38 38 37 36 RH..................38 41 44 47 50 54 58 62 66 69 73 76 20 FT WIND DIR......SE SE SE SE SE SE E E E E E E 20 FT WIND SPD......9 8 8 7 7 6 6 6 5 5 5 5 20 FT WIND GUST.....15 10 10 10 10 10 10 MIX HGT (KFT).......4.9 4.4 3.8 2.7 1.5 0.6 0.4 0.4 0.6 0.5 0.4 0.5 TRANSP WIND DIR.....SE SE SE SE E E E E E E E E TRANSP WIND SPD.....14 16 17 17 16 15 14 13 12 10 9 9 LAL.................1 1 1 1 1 1 1 1 1 1 1 1 HAINES INDEX........4 4 4 4 4 3 3 3 4 4 4 4 .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY...THEN BECOMING MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 56. MIN HUMIDITY........46 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH. LAL.................NO TSTMS. MIXING HEIGHT.......700-2300 FT AGL...INCREASING TO 3000-4600 FT AGL IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....SOUTH 9 TO 13 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............75 78 80 100 87 73 55 55 36 36 36 36 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................37 38 39 39 42 45 48 50 53 54 56 55 RH..................75 74 73 76 68 62 57 53 49 47 46 49 20 FT WIND DIR......E E E SE SE S S S S S SE SE 20 FT WIND SPD......5 5 5 5 6 7 8 9 10 10 10 10 20 FT WIND GUST..... 10 10 10 15 15 15 15 15 MIX HGT (KFT).......0.7 1.1 1.6 2.3 3.0 3.6 4.0 4.2 4.3 4.5 4.6 4.4 TRANSP WIND DIR.....E E E E SE SE SE S S S S S TRANSP WIND SPD.....9 10 10 10 10 10 12 12 13 13 12 12 LAL.................1 1 1 1 1 1 1 1 1 1 1 1 HAINES INDEX........4 4 4 4 4 5 5 5 3 3 3 2 $$ FORECASTER...LAMBERT REQUESTED BY...BRENT MCNEAL TYPE OF REQUEST...PRESCRIBED .TAG 20130422.SGL06.01/CTP