FNUS74 KEWX 181637 FWSEWX SPOT FORECAST FOR POAST OAK SOUTH RX...US FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1037 AM CST MON FEB 18 2013 FORECAST IS BASED ON IGNITION TIME OF 1300 CST ON FEBRUARY 18. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... GUSTY SOUTHWEST WINDS ARE EXPECTED OVER THE BURN SITE THIS AFTERNOON AS SKIES CLEAR FROM WEST TO EAST. WINDS WILL BECOME WESTERLY LATE THIS AFTERNOON AS A DRYLINE MOVES IN FROM THE WEST. THE DRYLINE IS EXPECTED TO MOVE ACROSS THE BURN SITE AROUND 1600 LOCAL. MUCH DRIER AIR WILL DROP MINIMUM HUMIDITIES TO NEAR 25 PERCENT BY EARLY THIS EVENING. WINDS WILL THEN SHIFT TO THE NORTH AROUND 2000 AS A COLD FRONT MOVES ACROSS THE BURN SITE. GUSTY NORTH WINDS ARE EXPECTED BEHIND THE COLD FRONT. TEMPERATURES WILL COOL ON TUESDAY...BUT WILL STILL MANAGE TO REMAIN A FEW DEGREES ABOVE NORMAL. DRY WEATHER IS EXPECTED TUESDAY AS NORTHEAST WINDS IN THE MORNING TRANSITION TO EAST DURING THE AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT LOW CLOUDS) THEN BECOMING MOSTLY SUNNY (20-30 PERCENT). ISOLATED RAIN SHOWERS IN THE MORNING. MAX TEMPERATURE.....AROUND 77. MIN HUMIDITY........25 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 8 TO 15 MPH WITH GUSTS TO AROUND 25 MPH. WINDS BECOMING WEST AROUND 1600. WIND (20 FT)........SOUTHWEST WINDS 8 TO 15 MPH WITH GUSTS TO AROUND 25 MPH. WINDS BECOMING WEST AROUND 1600. CWR.................20 PERCENT DECREASING TO 10 PERCENT IN THE AFTERNOON. LAL.................1. HAINES INDEX........2 TO 5 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1800-3100 FT AGL INCREASING TO 8200 FT AGL. TRANSPORT WINDS.....SOUTHWEST 35 TO 45 MPH BECOMING NORTHWEST 22 TO 31 MPH IN THE AFTERNOON. TIME (CST) 11 AM 1 PM 3 PM 5 PM SKY (%).........60 30 10 10 WEATHER COV.....ISOLTD WEATHER TYPE....RNSHWR NONE NONE NONE TEMP............67 72 76 71 RH..............70 54 38 29 20 FT WIND......210/14 220/14 250/10 290/7 20 FT WIND GUST.25 25 20 10 EYE LEVEL WIND..210/11 220/11 250/8 290/6 EYE LEVEL WIND..25 25 20 10 HAINES INDEX....4 5 4 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). MIN TEMPERATURE.....AROUND 45. MAX HUMIDITY........61 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 7 TO 12 MPH. WIND (20 FT)........NORTHEAST WINDS 7 TO 12 MPH. CWR.................0 PERCENT. LAL.................1. HAINES INDEX........5 TO 6 OR OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......8000-8700 FT AGL DECREASING TO 2100 FT AGL. TRANSPORT WINDS.....NORTHEAST 22 TO 28 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........20 20 20 20 20 20 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............68 65 58 53 50 48 RH..............27 31 40 49 54 58 20 FT WIND......300/7 000/10 020/12 020/8 020/7 030/7 20 FT WIND GUST.10 15 20 15 10 10 EYE LEVEL WIND..300/5 000/8 020/9 020/6 020/5 030/5 EYE LEVEL WIND..10 15 20 15 10 10 HAINES INDEX....6 6 6 6 5 5 .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 65. MIN HUMIDITY........24 PERCENT. EYE LEVEL WINDS.....EAST WINDS 8 TO 13 MPH. WIND (20 FT)........EAST WINDS 8 TO 13 MPH. CWR.................10 PERCENT. LAL.................1. HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100-2500 FT AGL. TRANSPORT WINDS.....EAST 16 TO 22 MPH. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........20 20 40 60 60 60 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............45 45 52 61 64 64 RH..............61 59 43 28 25 26 20 FT WIND......050/8 070/9 080/10 090/10 100/12 100/12 20 FT WIND GUST.10 15 20 20 20 20 EYE LEVEL WIND..050/6 070/7 080/8 090/8 100/9 100/9 EYE LEVEL WIND..10 15 20 20 20 20 HAINES INDEX....5 5 5 5 5 5 $$ FORECASTER...24 REQUESTED BY...CARL SCHWOPE TYPE OF REQUEST...PRESCRIBED .TAG 20130218.POAST.01/EWX