FNUS74 KEWX 211417 FWSEWX SPOT FORECAST FOR SIMONS...US FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 917 AM CDT TUE AUG 21 2012 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON AUGUST 21. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SURFACE HIGH PRESSURE WILL KEEP LIGHT 20 FOOT WINDS FROM THE NORTHEAST THIS MORNING...WITH WINDS BECOMING EASTERLY AND INCREASING THIS AFTERNOON. CLOUD COVER WILL REMAIN INTACT OVER THE BURN SITE TODAY...WITH A SLOW CLEARING TREND ANTICIPATED OVERNIGHT. AN ISOLATED SHOWER OR THUNDERSTORM ALSO REMAINS POSSIBLE THROUGH LATE AFTERNOON...WITH GUSTY OUTFLOW WINDS THE MAIN CONCERN. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. TEMPERATURE.........83 AT IGNITION...MAX 89. RH..................53 PERCENT AT IGNITION...MIN 44 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST 5 TO 9 MPH. WIND (20 FT)........WINDS NORTHEAST AT 8 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING EAST 5 TO 9 MPH. CWR.................20 PERCENT. LAL.................1 UNTIL 0700...THEN 3. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......3400 FT AGL AT IGNITION...OTHERWISE 2200-3700 FT AGL. TRANSPORT WINDS.....EAST 8 TO 17 MPH. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........80 80 80 80 72 72 WEATHER COV.....SCH SCH SCH SCH SCH SCH WEATHER TYPE....TSM TSM TSM TSM TSM TSM TEMP............83 86 87 89 89 89 RH..............53 48 47 45 44 44 20 FT WIND DIR..060 070 070 070 070 080 20 FT WIND SPD..9 8 8 8 9 9 20 FT WIND GUST.15 15 15 15 15 15 EYE LVL WND DIR.060 070 070 070 070 080 EYE LVL WND SPD.6 6 6 6 6 6 EYE LVL WND GST.15 15 15 15 15 15 HAINES INDEX....4 4 4 3 3 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING PARTLY CLOUDY (35-45 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. TEMPERATURE.........MIN 71. RH..................MAX 86 PERCENT. EYE LEVEL WINDS.....EAST WINDS 5 TO 8 MPH UNTIL EARLY MORNING BECOMING LIGHT. WIND (20 FT)........EAST WINDS 5 TO 8 MPH UNTIL EARLY MORNING BECOMING LIGHT. CWR.................20 PERCENT DECREASING TO 10 PERCENT IN THE LATE EVENING AND OVERNIGHT. LAL.................3 UNTIL 2200...THEN 1. HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100-3700 FT AGL DECREASING TO 1400-1700 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....EAST 14 TO 21 MPH. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........72 51 51 51 41 41 41 40 40 40 40 40 WEATHER COV.....SCH SCH SCH SCH WEATHER TYPE....TSM TSM TSM TSM TEMP............88 87 84 82 79 78 76 75 74 73 72 71 RH..............44 45 50 55 60 64 67 70 74 82 86 86 20 FT WIND DIR..090 100 100 090 090 100 100 100 120 150 160 160 20 FT WIND SPD..8 8 8 8 7 6 6 5 3 3 2 2 20 FT WIND GUST.15 15 15 10 10 10 5 5 5 5 EYE LVL WND DIR.090 100 100 090 090 100 100 100 120 150 160 160 EYE LVL WND SPD.6 6 6 6 5 5 5 4 3 2 2 2 EYE LVL WND GST.15 15 15 10 10 10 5 5 5 5 5 HAINES INDEX....4 5 5 4 4 4 3 3 3 3 3 3 $$ FORECASTER...24 REQUESTED BY...CARL SCHWOPE TYPE OF REQUEST...PRESCRIBED .TAG 20120821.SIMON.01/EWX