FNUS71 KBGM 301331 FWSBGM SPOT FORECAST FOR NPSRX4 30 12...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE BINGHAMTON, NY 931 AM EDT MON APR 30 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 30. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AFTER A VERY COLD START...A WARM SOUTHWEST FLOW WILL BRING WARMER TEMPERATURES TO THE REGION TODAY. MOISTURE WILL ARRIVE AHEAD OF A FRONTAL SYSTEM THIS EVENING...WITH SCATTERED SHOWERS AND A FEW THUNDERSTORMS EXPECTED OVERNIGHT. THE FRONT WILL MOVE THROUGH EARLY TUESDAY...ALLOWING SHOWERS TO CLEAR OUT BY LATE MORNING...YET CLOUDS MAY LINGER INTO TUESDAY AFTERNOON. A WARM AND UNSETTLED PATTERN IS EXPECTED WEDNESDAY THROUGH FRIDAY...WITH CHANCES FOR SHOWERS AND THUNDERSTORMS. .TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 62. MIN HUMIDITY........18 PERCENT. WIND (20 FT)........ SLOPE/VALLEY.......LIGHT WINDS...BECOMING SOUTH 5 TO 12 MPH. MIXING HEIGHT.......300-2000 FT AGL...INCREASING TO 4200-5000 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....NORTH 3 TO 5 MPH...BECOMING SOUTHWEST 6 TO 10 MPH LATE IN THE MORNING...THEN INCREASING TO SOUTH AROUND 18 MPH LATE. TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............0 2 3 4 9 18 23 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................55 57 57 60 62 62 62 RH..................24 21 21 19 18 19 20 20 FT WIND DIR......S S S S S S S 20 FT WIND SPD......2 3 6 6 7 7 7 20 FT WIND GUST.....5 5 10 10 15 15 15 MIX HGT (KFT).......4.2 4.2 4.2 5.0 5.0 5.0 4.2 TRANSP WIND DIR.....S S S SW SW SW S TRANSP WIND SPD.....6 6 6 10 10 10 18 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT)...THEN BECOMING CLOUDY (85-95 PERCENT). SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 47. MAX HUMIDITY........93 PERCENT. WIND (20 FT)........ SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 12 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT. MIXING HEIGHT.......2600-4200 FT AGL...DECREASING TO 1000-1800 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....SOUTH 18 TO 26 MPH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............42 97 94 96 100 100 WEATHER COV.........S CHC CHANCE CHANCE LIKELY DEFNTE LIKELY WEATHER TYPE........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV............ S CHC S CHC TEMP................61 59 55 52 50 48 RH..................24 36 51 63 71 80 20 FT WIND..........S 7 S 3 SE 3 SE 3 SE 3 SE 3 20 FT WIND GUST.....10 5 5 5 5 5 MIX HGT (FT)........4200 3400 3400 2600 1800 1800 TRANSPORT WIND......S 18 S 22 S 22 S 25 S 26 S 26 .TUESDAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT). SHOWERS LIKELY EARLY IN THE MORNING...THEN A CHANCE OF SHOWERS IN THE LATE MORNING AND AFTERNOON. MAX TEMPERATURE.....AROUND 64. MIN HUMIDITY........62 PERCENT. WIND (20 FT)........ SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 6 MPH EARLY IN THE MORNING...BECOMING LIGHT. MIXING HEIGHT.......1000-1700 FT AGL...INCREASING TO 3600 FT AGL EARLY IN THE AFTERNOON...THEN DECREASING TO 600 FT AGL LATE. TRANSPORT WINDS.....SOUTHWEST 15 TO 18 MPH...BECOMING NORTHWEST 14 TO 15 MPH LATE IN THE MORNING. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............99 98 95 91 82 80 WEATHER COV.........LIKELY LIKELY CHANCE CHANCE CHANCE CHANCE WEATHER TYPE........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV............ TEMP................47 49 55 60 63 64 RH..................89 89 74 67 62 63 20 FT WIND..........SE 3 SE 3 E 2 NE 1 E 1 NE 2 20 FT WIND GUST.....5 5 5 5 MIX HGT (FT)........1000 1700 1700 1300 3600 3600 TRANSPORT WIND......SW 18 SW 15 SW 15 W 14 NW 15 NW 15 $$ FORECASTER...HEDEN REQUESTED BY...MATT BOSS TYPE OF REQUEST...PRESCRIBED .TAG 20120430.NPSRX.01/BGM