FNUS74 KTSA 131442 FWSTSA FIRE WEATHER PLANNING FORECAST FOR TWIN PEAKS...US FOREST SERVICE NATIONAL WEATHER SERVICE TULSA OK 942 AM CDT TUE MAR 13 2012 FORECAST IS BASED ON IGNITION TIME OF 0950 CDT ON MARCH 13. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A MOSTLY SUNNY AND WARM DAY IS IN STORE FOR NORTHWEST ARKANSAS TODAY. A LIGHT AND VARIABLE WIND THIS MORNING WILL BECOME SOUTH AT 10 TO 20 MPH WITH GUSTS TO 25 MPH THIS AFTERNOON. DUE TO INCREASING LOW LEVEL MOISTURE FROM THE SOUTH...RELATIVE HUMIDITIES SHOULD REMAIN ABOVE 40 PERCENT. NO RAIN IS EXPECTED. .REST OF TODAY... SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT). MAX TEMPERATURE.....AROUND 81. MIN HUMIDITY........41 PERCENT. MIXING HEIGHT.......200-800 FT AGL INCREASING TO 5500-6800 FT AGL. TRANSPORT WINDS.....SOUTH 10 TO 18 MPH SHIFTING TO THE SOUTHWEST 20 TO 21 MPH EARLY IN THE AFTERNOON. WIND (20 FT)........SOUTH WINDS 6 TO 15 MPH INCREASING TO 15 TO 16 MPH WITH GUSTS TO AROUND 25 MPH LATE IN THE AFTERNOON. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM TEMP............50 56 63 68 73 77 79 81 81 DEWPT...........50 52 53 54 55 55 55 55 56 RH..............100 85 70 60 53 47 43 42 41 20FT WIND DIR...S S S S S S S S S 20FT SPD (MPH)..5 5 6 8 9 10 11 11 10 20FT GUST(MPH).. 10 10 15 15 15 20 25 15 CLOUDS (%)......22 33 28 24 19 22 26 29 32 WEATHER COV..... WEATHER TYPE.... MIXHGT/100(FT)..002 008 022 040 055 063 066 067 068 TR WIND DIR.....S S S S S S S S SW TR WIND SPD(MPH)10 13 15 17 18 20 20 21 21 STABILITY.......D C C B C C C C D 1700FT MIX T (F)71 70 63 68 73 77 79 81 81 VENT/1000(M 3/S)000 001 004 009 013 017 018 019 019 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (60-70 PERCENT). MIN TEMPERATURE.....AROUND 58. MAX HUMIDITY........100 PERCENT. MIXING HEIGHT.......4900-6700 FT AGL DECREASING TO 100-1300 FT AGL. TRANSPORT WINDS.....SOUTH 12 TO 21 MPH DECREASING TO 7 TO 9 MPH EARLY IN THE MORNING. WIND (20 FT)........SOUTH WINDS 7 TO 13 MPH. .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). MAX TEMPERATURE.....AROUND 79. MIN HUMIDITY........49 PERCENT. MIXING HEIGHT.......100-900 FT AGL INCREASING TO 5700-6700 FT AGL. TRANSPORT WINDS.....SOUTH 8 TO 14 MPH INCREASING TO SOUTHWEST 28 TO 32 MPH. WIND (20 FT)........SOUTH WINDS 8 TO 17 MPH INCREASING TO 16 TO 18 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM TEMP............59 58 58 60 64 68 71 74 77 78 79 79 DEWPT...........58 58 58 59 59 60 60 60 60 59 59 59 RH..............99 100 100 96 84 75 67 63 56 53 50 49 20FT WIND DIR...S S S S S S S S S S S S 20FT SPD (MPH)..5 6 7 9 10 11 12 13 14 13 12 11 20FT GUST(MPH)..10 10 10 15 15 25 25 30 30 30 25 25 CLOUDS (%)......76 79 75 72 69 66 63 60 60 59 59 58 WEATHER COV..... SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW MIXHGT/100(FT)..001 001 001 003 009 024 042 057 064 066 065 067 TR WIND DIR.....S S S S S S SW SW SW SW SW SW TR WIND SPD(MPH)8 9 14 18 23 25 28 29 30 31 31 32 STABILITY.......F F D D D C C C C C D D 1700FT MIX T (F)74 74 73 73 73 68 71 74 77 78 79 79 VENT/1000(M 3/S)000 000 000 001 003 008 016 023 026 028 027 029 .FORECAST DAYS 3 THROUGH 5... .THURSDAY... MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 12 MPH. .FRIDAY... MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 12 MPH. .SATURDAY... MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 9 MPH. $$ FORECASTER...LACY REQUESTED BY...RICK WILLIAMSON TYPE OF REQUEST...PRESCRIBED .TAG 20120313.TWINP.01/TSA