FNUS74 KEWX 181531 FWSEWX SPOT FORECAST FOR LANDHERR...US FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 930 AM CST THU FEB 18 2010 FORECAST IS BASED ON IGNITION TIME OF 1200 CST ON FEBRUARY 18. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. THE NATIONAL WEATHER SERVICE DOES NOT PROVIDE AUTHORIZATION FOR PRESCRIBED BURNS. REFER TO LOCAL GOVERNMENT OFFICIALS OR THE TEXAS FOREST SERVICE FOR INFORMATION ON BURN RESTRICTIONS. .DISCUSSION... GULF MOISTURE WILL MAKE A RETURN TONIGHT INTO FRIDAY WHICH WILL CAUSE AN UPTREND IN RELATIVE HUMIDITIES AND SKY COVER. A SOUTHERLY FLOW WILL INCREASE AS WELL...WITH SOME MIXING EXPECTED THIS AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 58. MIN HUMIDITY........39 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTH 6 TO 13 MPH IN THE LATE MORNING AND AFTERNOON. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE LATE MORNING AND AFTERNOON. CWR.................0 PERCENT. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1100-2700 FT AGL INCREASING TO 3100-3800 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 13 TO 20 MPH. TIME (CST) NOON 2 PM 4 PM SKY (%).........15 30 50 WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............53 57 58 RH..............46 40 39 20 FT WIND......S 8 S 10 S 14 20 FT WIND GUST.16 18 20 EYE LEVEL WIND..S 7 S 9 S 9 EYE LEVEL WIND..15 15 15 HAINES INDEX....4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (75-85 PERCENT). MIN TEMPERATURE.....AROUND 46. WIND (EYE LEVEL)....SOUTH WINDS 6 TO 9 MPH. WIND (20 FT)........SOUTH WINDS 10 TO 15 MPH. CWR.................10 PERCENT. HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000-3900 FT AGL DECREASING TO 1400-1800 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....SOUTH 20 TO 30 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........50 60 60 80 85 85 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............57 53 50 48 47 46 20 FT WIND......S14 S 13 S11 S10 S10 S10 20 FT WIND GUST.20 18 15 13 12 12 EYE LEVEL WIND..S 6 S 6 S 5 S 6 S 5 S 5 EYE LEVEL WIND..15 10 10 10 10 10 HAINES INDEX....4 4 4 4 3 3 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). MAX TEMPERATURE.....AROUND 60. MIN HUMIDITY........66 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 6 TO 10 MPH. WIND (20 FT)........SOUTH WINDS 10 TO 15 MPH. CWR.................10 PERCENT. HAINES INDEX........2 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.......1300 INCREASING TO NEAR 2800 FT AGL IN THE AFTERNOON TRANSPORT WINDS.....SOUTH 20 TO 30 MPH. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........85 85 85 80 75 75 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............46 47 52 56 59 60 RH..............89 92 82 74 68 67 20 FT WIND......S10 S10 S15 S15 S15 S15 20 FT WIND GUST.14 14 20 20 20 20 EYE LEVEL WIND..S 5 S 5 S 6 S 8 S 8 S 6 EYE LEVEL WIND.. 10 15 15 15 15 HAINES INDEX....2 3 4 4 4 4 $$ FORECASTER...11 REQUESTED BY...CARL SCHWOPE TYPE OF REQUEST...PRESCRIBED .TAG 20100218.LANDH.03/EWX