FNUS71 KCTP 251146 FWSCTP SPOT FORECAST FOR SGL 065 BARN COMPLEX...PA GAME COMMISSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 746 AM EDT WED APR 25 2012 FORECAST IS BASED ON IGNITION TIME OF 1030 EDT ON APRIL 25. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE IN STATE COLLEGE. .DISCUSSION... HIGH PRESSURE WILL PROVIDE FAIR AND DRY WEATHER TODAY. DEEP BOUNDARY LAYER MIXING WILL AGAIN TAP HIGHER WINDS ALOFT BUT GUSTS SHOULD NOT BE AS HIGH AS YESTERDAY. MID-LATE AFTERNOON RH VALUES ARE FORECAST TO FALL AOB 30 PERCENT. OVERALL FIRE DANGER WILL BE IN THE MODERATE CLASSIFICATION DUE TO MARGINAL WINDS AND FUELS. RAIN WILL RETURN TO THE AREA LATE TONIGHT THROUGH THE DAY ON THURSDAY...AS LOW PRESSURE TRACKS EAST FROM THE OHIO VALLEY. SHOWERS SHOULD GIVE WAY TO CLEARING SKIES LATER THURSDAY INTO FRIDAY. PRECIPITATION ASSOCIATED WITH AN ELONGATED EAST-WEST ORIENTED FRONTAL BOUNDARY SHOULD STAY MAINLY TO THE SOUTH OF THE KEYSTONE STATE THROUGH WEEKEND AND INTO NEXT WEEK...AS A LARGE CANADIAN HIGH PRESSURE SYSTEM DOMINATES THE PATTERN OVER THE NORTHEAST U.S. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG AND FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 62. MIN HUMIDITY........29 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING WEST 9 TO 14 MPH EARLY IN THE MORNING. LAL.................NO TSTMS. MIXING HEIGHT.......0-600 FT AGL...INCREASING TO 8600-10000 FT AGL. TRANSPORT WINDS.....NORTHWEST 5 TO 13 MPH...INCREASING TO WEST 17 TO 26 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 10 AM NOON 2 PM 4 PM SKY (%).............25 27 38 51 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE TSTM COV............ TEMP................48 54 59 61 RH..................47 37 30 29 20 FT WIND..........W 9 W 13 W 14 W 13 20 FT WIND GUST.....15 15 20 20 MIX HGT (FT)........6500 10000 9500 9300 TRANSPORT WIND......NW 23 NW 25 W 21 W 18 LAL.................1 1 1 1 HAINES INDEX........5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS LATE IN THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 44. MAX HUMIDITY........84 PERCENT. WIND (20 FT)........WEST WINDS 6 TO 9 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTHEAST AROUND 5 MPH AFTER MIDNIGHT. LAL.................NO TSTMS. MIXING HEIGHT.......6800 FT AGL...DECREASING TO 500-800 FT AGL. TRANSPORT WINDS.....SOUTHWEST 7 TO 16 MPH...BECOMING SOUTH 12 TO 20 MPH LATE IN THE EVENING...THEN BECOMING SOUTHEAST 8 TO 15 MPH AFTER MIDNIGHT...INCREASING TO AROUND 18 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 SKY (%).............55 51 62 69 81 91 WEATHER COV......... CHANCE LIKELY LIKELY WEATHER TYPE........NONE NONE NONE RNSHWR RNSHWR RNSHWR TSTM COV............ TEMP................60 55 53 51 49 48 RH..................32 40 47 56 66 78 20 FT WIND..........W 9 W 3 S 3 S 3 S 5 SE 5 20 FT WIND GUST.....15 5 5 5 MIX HGT (FT)........6800 3000 3100 2500 600 600 TRANSPORT WIND......W 13 W 7 SW 16 SW 16 SE 8 SE 15 LAL.................1 1 1 1 1 1 HAINES INDEX........5 5 5 4 2 2 .THURSDAY... LAL.................NO TSTMS UNTIL 0800...THEN 9-15 STRIKES. MIXING HEIGHT.......900-2700 FT AGL...INCREASING TO 3400-5200 FT AGL EARLY IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 12 TO 17 MPH...BECOMING WEST 14 TO 21 MPH LATE IN THE MORNING...THEN INCREASING TO NORTHWEST 26 TO 30 MPH IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM MIX HGT (FT)........900 1000 1200 2000 3400 4900 TRANSPORT WIND......SE 17 S 12 W 14 W 21 W 30 NW 30 LAL.................1 5 5 5 4 4 HAINES INDEX........2 2 2 3 3 3 $$ FORECASTER...ROSS REQUESTED BY...BRENT MCNEAL TYPE OF REQUEST...PRESCRIBED .TAG 20120425.SGL06.01/CTP