FNUS71 KCTP 300225 FWSCTP SPOT FORECAST FOR GRASS MOUNTAIN RX FIRE...PA BUREAU OF FORESTRY/DCNR NATIONAL WEATHER SERVICE STATE COLLEGE PA 1025 PM EDT SUN APR 29 2012 FORECAST IS BASED ON IGNITION TIME OF 1130 EDT ON APRIL 30. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE IN STATE COLLEGE. .DISCUSSION... AN AREA OF LOW PRESSURE WILL APPROACH THE REGION MONDAY...SPREADING SHOWERS ACROSS THE FORECAST AREA DURING THE AFTERNOON HOURS. RAINFALL THROUGH MONDAY EVENING IS EXPECTED TO BE LIGHT...LESS THAN A QUARTER INCH. .MONDAY... SKY/WEATHER.........MOSTLY SUNNY...THEN BECOMING MOSTLY CLOUDY. WIDESPREAD FROST EARLY IN THE MORNING. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 58. MIN HUMIDITY........38 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO 9 MPH WITH GUSTS UP TO 20 MPH IN THE LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE AFTERNOON. LAL.................NO TSTMS UNTIL 1400...THEN 9-15 STRIKES. MIXING HEIGHT.......400-1800 FT AGL...INCREASING TO 2600-3800 FT AGL IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....SOUTH 3 TO 12 MPH...INCREASING TO 13 TO 18 MPH IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 11 AM 1 PM 3 PM 5 PM SKY (%).............52 52 89 80 WEATHER COV......... CHANCE CHANCE WEATHER TYPE........NONE NONE RNSHWR RNSHWR TSTM COV............ S CHC S CHC TEMP................51 54 57 56 RH..................43 40 40 44 20 FT WIND..........E 6 SE 8 SE 9 SE 8 20 FT WIND GUST.....10 15 15 20 MIX HGT (FT)........3200 3700 3800 3700 TRANSPORT WIND......S 12 S 14 S 16 S 18 LAL.................1 1 3 3 HAINES INDEX........4 4 4 3 .MONDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE EVENING. A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 47. MAX HUMIDITY........89 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH WITH GUSTS UP TO 25 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT. LAL.................9-15 STRIKES UNTIL 2000...THEN NO TSTMS UNTIL 0200...THEN 9-15 STRIKES UNTIL 0500...THEN NO TSTMS. MIXING HEIGHT.......1500-3400 FT AGL...DECREASING TO 800-1200 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....SOUTH 13 TO 21 MPH...DECREASING TO 9 TO 10 MPH LATE. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............80 92 92 92 93 93 WEATHER COV.........CHANCE CHANCE CHANCE CHANCE LIKELY LIKELY WEATHER TYPE........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV............S CHC S CHC S CHC TEMP................57 58 56 53 51 50 RH..................46 49 62 74 84 87 20 FT WIND..........SE 8 SE 7 SE 6 SE 5 SE 3 S 3 20 FT WIND GUST.....20 10 10 15 10 5 MIX HGT (FT)........3400 2500 2000 1500 1000 900 TRANSPORT WIND......S 20 S 21 S 21 S 18 S 15 S 10 LAL.................3 1 1 1 4 4 HAINES INDEX........3 2 2 2 2 2 .TUESDAY... SKY/WEATHER.........CLOUDY...THEN BECOMING PARTLY SUNNY. SHOWERS LIKELY EARLY IN THE MORNING...THEN A CHANCE OF SHOWERS EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 70. MIN HUMIDITY........52 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING WEST 7 TO 12 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................NO TSTMS. MIXING HEIGHT.......MISSING. TRANSPORT WINDS..... HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............93 67 67 67 67 67 WEATHER COV.........LIKELY CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV............ TEMP................51 53 59 63 67 68 RH..................89 89 79 68 58 54 20 FT WIND..........S 2 S 2 SW 5 W 8 W 10 W 12 20 FT WIND GUST.....5 5 10 15 15 MIX HGT (FT)........M M M M M M TRANSPORT WIND......M M M M M M LAL.................1 1 1 1 1 1 HAINES INDEX........2 2 2 2 2 2 $$ FORECASTER...LACORTE REQUESTED BY...MIKE BECKER TYPE OF REQUEST...PRESCRIBED .TAG 20120430.GRASS.02/CTP