FNUS74 KTSA 011343 FWSTSA FIRE WEATHER PLANNING FORECAST FOR ROSSONSPIRIT...USDA FOREST SERVICE NATIONAL WEATHER SERVICE TULSA OK 843 AM CDT WED APR 1 2009 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 01. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... EASTERLY WINDS AND COOL CONDITIONS WILL CONTINUE THROUGH MID TO LATE MORNING...AND ARE EXPECTED TO INCREASE AND TURN SOUTHEASTERLY TO SOUTHERLY TOWARD FIRE IGNITION TIME. AFTERNOON MINIMUM HUMIDIITES WILL FALL TO NEAR 30 PERCENT WHICH WILL AID RAPID FIRE SPREAD. WINDS WILL DECREASE SOON AFTER SUNSET WITH GOOD HUMIDITY RECOVERY EXPECTED OVERNIGHT. SHOWER AND THUNDERSTORM CHANCES INCREASE LATE TONIGHT AND CONTINUE INTO THURSDAY MORNING. .TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT) THEN BECOMING PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 67. MIN HUMIDITY........29 PERCENT. MIXING HEIGHT.......400-1900 FT AGL INCREASING TO 4600-5300 FT AGL. TRANSPORT WINDS.....SOUTHEAST 3 TO 9 MPH INCREASING TO SOUTH 24 TO 29 MPH. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 10 MPH EARLY IN THE MORNING...THEN INCREASING TO 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM TEMP............56 60 63 65 66 67 DEWPT...........32 32 33 33 33 34 RH..............40 35 32 30 29 30 20FT WIND DIR...S S S S SE SE 20FT SPD (MPH)..13 14 16 17 16 15 20FT GUST(MPH)..30 30 35 35 35 35 CLOUDS (%)......3 24 24 24 62 62 WEATHER COV.....- - - - - - WEATHER TYPE....- - - - - - MIXHGT/100(FT)..040 046 050 052 053 053 TR WIND DIR.....S S S S S S TR WIND SPD(MPH)22 24 25 26 28 29 STABILITY.......C C C C D D 1700FT MIX T (F)56 60 63 65 66 67 VENT/1000(M 3/S)012 015 017 018 020 021 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 49. MAX HUMIDITY........76 PERCENT. MIXING HEIGHT.......3500-5100 FT AGL DECREASING TO 400-700 FT AGL. TRANSPORT WINDS.....SOUTHEAST 22 TO 30 MPH DECREASING TO 9 TO 18 MPH IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........SOUTHEAST WINDS 8 TO 16 MPH. GUSTS UP TO 30 MPH EARLY IN THE EVENING. .THURSDAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS IN THE MORNING. RAIN IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 59. MIN HUMIDITY........58 PERCENT. MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 3500-5200 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 8 TO 13 MPH SHIFTING TO THE WEST 14 TO 18 MPH LATE IN THE AFTERNOON...THEN INCREASING TO AROUND 24 MPH LATE IN THE AFTERNOON. WIND (20 FT)........SOUTH WINDS 8 TO 10 MPH SHIFTING TO THE WEST 12 TO 16 MPH WITH GUSTS TO AROUND 30 MPH LATE IN THE AFTERNOON. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM TEMP............50 49 49 51 53 54 55 57 58 59 58 55 DEWPT...........41 41 42 43 43 43 44 44 44 44 44 43 RH..............72 75 76 73 71 67 64 62 59 58 59 62 20FT WIND DIR...SE SE SE SE SE SE SE S S W W NW 20FT SPD (MPH)..7 6 6 6 6 6 7 8 9 10 12 14 20FT GUST(MPH)..10 10 10 10 10 10 10 15 15 25 25 30 CLOUDS (%)......100 100 100 100 100 100 100 100 96 92 88 84 WEATHER COV.....CHC DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF WEATHER TYPE....RW RW RW RW RW RW RW RN RN RN RN RN MIXHGT/100(FT)..003 003 003 005 010 021 035 046 050 052 051 052 TR WIND DIR.....SE SE SE SE SE SE SE S S W W W TR WIND SPD(MPH)12 13 13 13 13 10 9 8 10 14 18 24 STABILITY.......D D D D D D D D D D D D 1700FT MIX T (F)59 58 58 58 58 54 55 57 58 59 58 55 VENT/1000(M 3/S)000 001 001 001 002 003 004 005 007 010 013 017 .FORECAST DAYS 3 THROUGH 5... .FRIDAY... MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND 9 MPH. .SATURDAY... PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 8 MPH. .SUNDAY... COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 12 MPH. $$ FORECASTER...J.MCGAVOCK REQUESTED BY...FRANK T PALMER TYPE OF REQUEST...PRESCRIBED .TAG 20090401.ROSSO.01/TSA