FNUS71 KCTP 181457 FWSCTP SPOT FORECAST FOR C-4 RX FIRE...ARMY NATIONAL GUARD NATIONAL WEATHER SERVICE STATE COLLEGE PA 1057 AM EDT WED MAR 18 2009 FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON MARCH 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE IN STATE COLLEGE. .DISCUSSION... A SLOW MOVING COLD FRONT WILL MOVE SOUTHEASTWARD ACROSS THE LOWER GREAT LAKES TODAY AND INTO NORTHWEST PENNSYLVANIA BY THIS EVENING. SOUTHWEST WINDS WILL INCREASE AHEAD OF THE FRONT THIS AFTERNOON AS TEMPERATURES CLIMB SEVERAL DEGREES ABOVE SEASONAL NORMALS. OCCASIONAL SHOWERS WILL ACCOMPANY THE COLD FRONT AS IT SLIDES THROUGH THE STATE BY THURSDAY MORNING. A SECONDARY FRONT WILL BRING MUCH COOLER AIR INTO THE REGION THURSDAY INTO FRIDAY. HIGH PRESSURE WILL RETURN FOR THE WEEKEND PROVIDING DRY AND TRANQUIL WEATHER. .REST OF TODAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....AROUND 66. MIN HUMIDITY........53 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH. LAL.................NO TSTMS. MIXING WINDS........SOUTH 13 TO 20 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 1 PM 3 PM 5 PM SKY (%).........50 48 50 WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............58 61 59 RH..............58 55 58 20 FT WIND......SW 6 SW 6 S 6 20 FT WIND GUST.15 15 15 TRANSPORT WIND..S 17 S 20 S 18 LAL.............1 1 1 HAINES INDEX....3 4 5 .TONIGHT... MIN TEMPERATURE.....AROUND 40. MAX HUMIDITY........84 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE. LAL.................NO TSTMS. MIXING WINDS........SOUTH 9 TO 17 MPH...BECOMING SOUTHWEST 6 TO 8 MPH AFTER MIDNIGHT...THEN BECOMING NORTH 13 TO 16 MPH LATE. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM TEMP............58 56 53 50 47 46 RH..............59 61 67 74 84 83 20 FT WIND......S 6 S 5 SW 3 SW 2 W 2 W 2 20 FT WIND GUST.15 10 5 5 5 5 TRANSPORT WIND..S 17 S 14 S 13 S 9 S 6 NW 13 LAL.............1 1 1 1 1 1 HAINES INDEX....5 3 3 4 3 3 .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS LIKELY UNTIL LATE AFTERNOON...THEN A CHANCE OF SHOWERS EARLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 50. MIN HUMIDITY........55 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH. LAL.................NO TSTMS. MIXING WINDS........NORTH 12 TO 21 MPH...BECOMING NORTHWEST 6 TO 8 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........90 95 89 80 73 68 WEATHER COV.....LIKELY LIKELY LIKELY LIKELY CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............44 43 45 46 47 47 RH..............82 81 74 67 60 57 20 FT WIND......NW 4 N 5 N 6 NW 6 NW 6 NW 5 20 FT WIND GUST.10 15 15 15 15 10 TRANSPORT WIND..N 18 N 21 N 17 N 12 N 7 NW 7 LAL.............1 1 1 1 1 1 HAINES INDEX....2 2 2 3 2 2 $$ FORECASTER...WFO CTP/GARTNER REQUESTED BY...MR SHANNON HENRY TYPE OF REQUEST...PRESCRIBED .TAG 20090318.C4RXF.02/CTP