FNUS74 KEWX 201541 FWSEWX SPOT FORECAST FOR MARTIN POND DAMS...US FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1041 AM CDT FRI AUG 20 2010 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON AUGUST 20. 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... HIGH PRESSURE ALOF OVER TEXAS WILL PROMOTE MOSTLY SUNNY AND HOT WEATHER TODAY...WITH HEAT INDICES AS HIGH AS 107 IN THE EARLY AFTERNOON. SOUTH WINDS SHOULD BE SLIGHTLY HIGHER THAN THOSE EXPERIENCED THURSDAY. NO THUNDERSTORMS OR NEARBY THUNDERSTORM OUTFLOWS ARE EXPECTED EARLY THIS EVENING. MINIMUM RH VALUES FOR TODAY SHOULD BE AROUND 35 PERCENT...WITH SLIGHTLY HIGHER DEW POINT TEMPERATURES BLOWING IN FROM FROM THE SOUTH TO OFFSET AFTERNOON MIXING WITH DRIER AIR ALOFT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 100. MIN HUMIDITY........37 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 4 TO 8 MPH. WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH. CWR.................10 PERCENT. LAL.................1. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1300-3000 FT AGL INCREASING TO 6000-6900 FT AGL. TRANSPORT WINDS.....SOUTH 14 TO 23 MPH. TIME (CDT) 1 PM 3 PM 5 PM SKY (%).........40 40 40 WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............95 99 99 RH..............44 38 37 20 FT WIND......S 9 S 10 S 10 20 FT WIND GUST.15 18 18 EYE LEVEL WIND..SSE 6 SSE 7 SSE 7 EYE LEVEL WIND..12 15 15 HAINES INDEX....4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). MIN TEMPERATURE.....AROUND 77. MAX HUMIDITY........90 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 6 TO 10 MPH. WIND (20 FT)........SOUTH WINDS 6 TO 10 MPH. CWR.................10 PERCENT. LAL.................1. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5700-7600 FT AGL DECREASING TO 1300-2000 FT AGL. TRANSPORT WINDS.....SOUTH 15 TO 24 MPH INCREASING TO 26 TO 28 MPH AFTER MIDNIGHT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........40 35 35 35 51 68 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............96 90 85 83 80 80 RH..............39 47 58 67 75 78 20 FT WIND......S 10 S 9 S 8 S 7 S 7 S 6 20 FT WIND GUST.18 17 16 10 10 EYE LEVEL WIND..SSE 7 SSE 7 SSE 6 S 6 S 5 S 5 EYE LEVEL WIND..15 13 12 8 7 HAINES INDEX....4 4 4 4 4 4 $$ FORECASTER...18 REQUESTED BY...CARL SCHWOPE TYPE OF REQUEST...PRESCRIBED .TAG 20100820.MARTI.01/EWX