FNUS74 KTSA 171526 FWSTSA FIRE WEATHER PLANNING FORECAST FOR PERI TOUR ROAD...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE TULSA OK 1026 AM CDT THU MAR 17 2011 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON MARCH 17. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... STRONG AND GUSTY SOUTHWESTERLY WINDS WILL DEVELOP TODAY IN ADVANCE OF AN APPROACHING COLD FRONT...WHICH WILL STALL NORTH OF THE REGION TONIGHT INTO FRIDAY. .REST OF TODAY... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........45 PERCENT. MIXING HEIGHT.......1100-2500 FT AGL INCREASING TO 3400-4100 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 26 TO 33 MPH SHIFTING TO THE SOUTHWEST 32 TO 37 MPH IN THE AFTERNOON. WIND (20 FT)........SOUTH WINDS 18 TO 24 MPH WITH GUSTS TO AROUND 35 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM TEMP............62 66 68 71 74 75 76 76 DEWPT...........53 54 54 55 54 54 54 54 RH..............74 64 58 54 50 47 46 45 20FT WIND DIR...S S S S S S S S 20FT SPD (MPH)..14 14 14 14 15 16 16 16 20FT GUST(MPH)..35 30 30 30 35 35 35 35 CLOUDS (%)......88 85 81 78 75 71 68 67 WEATHER COV..... WEATHER TYPE.... MIXHGT/100(FT)..017 025 034 042 047 049 050 051 TR WIND DIR.....S S SW SW SW SW SW SW TR WIND SPD(MPH)30 33 36 37 37 36 35 32 STABILITY.......D D C E E E E F 1700FT MIX T (F)66 65 68 71 74 75 76 76 VENT/1000(M 3/S)007 011 017 021 024 024 024 022 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). MIN TEMPERATURE.....AROUND 58. MAX HUMIDITY........81 PERCENT. MIXING HEIGHT.......3100-5000 FT AGL DECREASING TO 500-2300 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....SOUTHWEST 23 TO 30 MPH DECREASING TO 12 TO 20 MPH LATE IN THE EVENING...THEN SHIFTING TO THE SOUTHEAST 5 TO 9 MPH AFTER MIDNIGHT. WIND (20 FT)........SOUTH WINDS 15 TO 22 MPH WITH GUSTS TO AROUND 30 MPH DECREASING TO 5 TO 12 MPH IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING LIGHT EARLY IN THE MORNING BECOMING SOUTH AROUND 5 MPH EARLY IN THE MORNING. .FRIDAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 81. MIN HUMIDITY........36 PERCENT. MIXING HEIGHT.......400-1600 FT AGL INCREASING TO 4400-6100 FT AGL. TRANSPORT WINDS.....SOUTH 5 TO 13 MPH INCREASING TO SOUTHWEST 16 TO 25 MPH IN THE LATE MORNING AND AFTERNOON. WIND (20 FT)........SOUTH WINDS 5 TO 14 MPH INCREASING TO 13 TO 15 MPH IN THE AFTERNOON. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM TEMP............58 58 58 61 65 69 72 75 78 79 80 81 DEWPT...........52 51 52 53 54 53 52 51 50 50 49 49 RH..............80 80 81 73 63 55 49 45 41 38 37 36 20FT WIND DIR...S S S S S S S S S S S S 20FT SPD (MPH)..4 4 5 6 7 9 10 10 10 10 10 9 20FT GUST(MPH)..5 5 10 10 10 15 15 15 15 15 15 15 CLOUDS (%)......77 80 74 67 60 53 46 39 45 51 57 62 WEATHER COV..... WEATHER TYPE.... MIXHGT/100(FT)..004 006 009 016 024 033 044 052 057 060 060 061 TR WIND DIR.....S S S S S S S S S S SW SW TR WIND SPD(MPH)5 6 9 13 16 18 21 23 24 25 25 24 STABILITY.......F F D D C C C C C C C D 1700FT MIX T (F)73 72 72 71 65 69 72 75 78 79 80 81 VENT/1000(M 3/S)000 000 001 003 005 008 013 016 019 020 020 020 .FORECAST DAYS 3 THROUGH 5... .SATURDAY... COOLER. MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. EAST WINDS AROUND 6 MPH. .SUNDAY... MOSTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. EAST WINDS AROUND 6 MPH. .MONDAY... MOSTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 11 MPH. $$ FORECASTER...DARBY REQUESTED BY...TIM BARON TYPE OF REQUEST...PRESCRIBED .TAG 20110317.PERIT.01/TSA