FNUS74 KTSA 311556 FWSTSA FIRE WEATHER PLANNING FORECAST FOR GRIGGS WRP...USDA-NRCS NATIONAL WEATHER SERVICE TULSA OK 1056 AM CDT TUE MAR 31 2009 FORECAST IS BASED ON IGNITION TIME OF 1105 CDT ON MARCH 31. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... GUSTY WESTERLY TO NORTHWESTERLY WINDS WILL CONTINUE THROUGH THE AFTERNOON...WITH PEAK GUSTS BETWEEN 25 TO 30 MPH. SUNNY SKIES WILL PREVAIL AND ALLOW TEMPERATURES TO WARM INTO THE UPPER 50S...WITH AFTERNOON HUMIDITIES FALLING JUST BELOW 30 PERCENT. WINDS SHOULD WEAKEN BY LATE AFTERNOON WITH GOOD HUMIDITY RECOVERY OVERNIGHT. .REST OF TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). MAX TEMPERATURE.....AROUND 59. MIN HUMIDITY........29 PERCENT. MIXING HEIGHT.......1900-3700 FT AGL INCREASING TO 4700-6200 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 23 TO 29 MPH. WIND (20 FT)........WEST WINDS 13 TO 17 MPH WITH GUSTS TO AROUND 30 MPH. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM TEMP............46 50 54 57 58 59 59 DEWPT...........27 28 28 28 28 28 29 RH..............46 41 36 34 32 31 31 20FT WIND DIR...W W W W W W W 20FT SPD (MPH)..11 12 12 12 12 10 9 20FT GUST(MPH)..30 30 30 30 30 30 25 CLOUDS (%)......7 12 14 14 14 0 0 WEATHER COV.....- - - - - - - WEATHER TYPE....- - - - - - - MIXHGT/100(FT)..037 047 054 058 060 061 062 TR WIND DIR.....W W W W W W W TR WIND SPD(MPH)29 29 28 28 28 26 24 STABILITY.......D D C C C C C 1700FT MIX T (F)47 50 53 55 56 57 57 VENT/1000(M 3/S)015 019 021 022 023 022 020 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). MIN TEMPERATURE.....AROUND 35. MAX HUMIDITY........84 PERCENT. MIXING HEIGHT.......5100-6200 FT AGL DECREASING TO 500-1500 FT AGL. TRANSPORT WINDS.....WEST 12 TO 21 MPH BECOMING SOUTH 3 TO 8 MPH IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING LIGHT...THEN BECOMING SOUTH AROUND 5 MPH EARLY IN THE MORNING BECOMING LIGHT. .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 67. MIN HUMIDITY........35 PERCENT. MIXING HEIGHT.......400-1900 FT AGL INCREASING TO 5100-6100 FT AGL. TRANSPORT WINDS.....SOUTHEAST 3 TO 10 MPH INCREASING TO SOUTH 24 TO 29 MPH. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 14 TO 20 MPH WITH GUSTS TO AROUND 30 MPH. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM TEMP............35 35 36 41 46 52 56 60 63 65 67 67 DEWPT...........30 30 32 33 35 36 37 37 38 38 38 39 RH..............81 83 85 75 64 55 48 43 39 36 35 35 20FT WIND DIR...SE SE SE S S S S S S S S S 20FT SPD (MPH)..3 3 4 5 6 9 12 14 14 14 12 10 20FT GUST(MPH)..5 5 5 10 15 25 30 30 30 30 15 CLOUDS (%)......65 67 65 63 61 58 56 54 57 60 63 66 WEATHER COV..... WEATHER TYPE.... MIXHGT/100(FT)..004 004 007 012 019 030 041 051 057 059 060 061 TR WIND DIR.....SE SE SE S S SE SE SE SE S S S TR WIND SPD(MPH)3 5 7 10 13 14 15 16 22 26 29 24 STABILITY.......F F F F C C C C C C C C 1700FT MIX T (F)61 61 60 59 45 51 55 59 62 65 66 66 VENT/1000(M 3/S)000 000 001 002 003 006 008 011 017 021 024 020 .FORECAST DAYS 3 THROUGH 5... .THURSDAY... COOLER. MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 50S. NORTHEAST WINDS AROUND 10 MPH. .FRIDAY... WARMER. PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND 8 MPH. .SATURDAY... MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 12 MPH. $$ FORECASTER...J.MCGAVOCK REQUESTED BY...JAMES DIXON TYPE OF REQUEST...PRESCRIBED .TAG 20090331.GRIGG.01/TSA