FNUS71 KCTP 281706 FWSCTP SPOT FORECAST FOR WOODRUFF...PA BUREAU OF FORESTRY NATIONAL WEATHER SERVICE STATE COLLEGE PA 106 PM EDT TUE APR 28 2009 FORECAST IS BASED ON REQUEST TIME OF 105 EDT ON APRIL 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE IN STATE COLLEGE. ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... .DISCUSSION... FIRE DANGER WILL APPROACH CRITICAL VALUES THIS AFTERNOON OVER MUCH OF THE DISTRICT. OVER CENTRAL AND EASTERN PENNSYLVANIA...RELATIVE HUMIDITY VALUES WILL DROP BELOW 30 PERCENT FROM THE LAUREL HIGHLANDS EASTWARD TO THE ENDLESS MOUNTAINS NORTH OF WILLIAMSPORT AND SOUTHWARD THROUGHOUT THE SUSQUEHANNA RIVER VALLEY. BETWEEN 1 PM AND 6 PM...WINDS WILL FREQUENTLY GUST BETWEEN 15 AND 25 MPH. THIS COMBINED WITH TINDER DRY DEAD FUELS WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. HIGH PRESSURE WILL SLOWLY GIVE WAY TO A COLD FRONT SPREADING EAST- SOUTHEAST FROM THE LOWER GREAT LAKES. THE COLD FRONT WILL MOVE ACROSS THE COMMONWEALTH LATE THIS AFTERNOON INTO TONIGHT...THEN STALL OUT SOUTH OF THE MASON DIXON LINE WEDNESDAY. CANADIAN HIGH PRESSURE WILL MOVE EAST ACROSS NEW ENGLAND BY WEDNESDAY NIGHT...ALLOWING THE FRONT AND ASSOCIATED MOISTURE TO LIFT BACK NORTHWARD THURSDAY AND FRIDAY. .REST OF TODAY... SKY/WEATHER.........PARTLY SUNNY...THEN BECOMING CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS AFTER 4 PM. MAX TEMPERATURE.....AROUND 87. MIN HUMIDITY........29 PERCENT. WIND (20 FT)........NORTHWEST WINDS 12 TO 15 MPH. GUSTS UP TO 25 MPH AFTER 1 PM. GUSTY AND ERRATIC WINDS EXPECTED NEAR ANY THUNDERSTORMS THIS EVENING. LAL.................9-15 STRIKES AFTER 4 PM. MIXING WINDS........WEST 26 TO 35 MPH...BECOMING NORTHWEST 18 TO 23 MPH THIS EVENING. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. CHANCE OF PCPN......30 PERCENT. TIME (EDT) NOON 2 PM 4 PM SKY (%).........61 68 89 WEATHER COV.....NONE NONE ISOLATED WEATHER TYPE....NONE NONE THSHWR TEMP............85 87 84 RH..............35 29 37 20 FT WIND......W 7 W 10 NW 10 20 FT WIND GUST.30 25 25 TRANSPORT WIND..W 35 W 26 NW 21 CHC OF PCPN (%).30 40 40 LAL.............3 4 4 HAINES INDEX....5 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. SHOWERS LIKELY AFTER 10 PM. MIN TEMPERATURE.....AROUND 38. MAX HUMIDITY........85 PERCENT. WIND (20 FT)........NORTHEAST WINDS 7 TO 11 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. LAL.................9-15 STRIKES UNTIL 2200...THEN NO TSTMS. MIXING WINDS........NORTHEAST 17 TO 23 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. CHANCE OF PCPN......60 PERCENT. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........94 88 86 84 83 75 WEATHER COV.....CHANCE LIKELY LIKELY LIKELY LIKELY LIKELY WEATHER TYPE....THSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............70 64 58 54 51 47 RH..............48 57 63 66 65 72 20 FT WIND......N 9 N 6 N 6 NE 7 NE 7 NE 6 20 FT WIND GUST.20 15 15 15 15 15 TRANSPORT WIND..N 17 N 20 N 22 NE 23 NE 22 NE 20 CHC OF PCPN (%).40 60 60 60 60 60 LAL.............5 1 1 1 1 1 HAINES INDEX....3 2 2 3 4 4 .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 58. MIN HUMIDITY........35 PERCENT. WIND (20 FT)........EAST WINDS 6 TO 9 MPH. LAL.................NO TSTMS. MIXING WINDS........SOUTHEAST 12 TO 20 MPH. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. CHANCE OF PCPN......10 PERCENT. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........64 56 46 31 16 18 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............42 44 48 52 55 57 RH..............84 72 59 53 41 36 20 FT WIND......NE 6 NE 5 NE 7 E 6 E 6 E 6 20 FT WIND GUST.15 10 15 15 15 15 TRANSPORT WIND..NE 20 NE 20 E 17 E 16 E 15 SE 13 CHC OF PCPN (%).10 10 10 10 10 10 LAL.............1 1 1 1 1 1 HAINES INDEX....4 4 4 5 6 6 $$ FORECASTER...WFO CTP/TYBURSKI REQUESTED BY...CHRIS GASTROCK TYPE OF REQUEST...WILDFIRE .TAG 20090428.WOODR.01/CTP