FNUS74 KEWX 121704 FWSEWX SPOT FORECAST FOR CNC PRESCRIBED BURN...TEXAS PARKS & WILDLIFE DEPARTMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1104 AM CST FRI FEB 12 2010 FORECAST IS BASED ON IGNITION TIME OF 1300 CST ON FEBRUARY 12. 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... NORTHERLY WINDS WILL CARRY SMOKE SOUTH OF THE BURN AND WITH DECENT MIXING BY AFTERNOON. A SHALLOW INVERSION IS FORECAST TO DEVELOP AFTER MIDNIGHT... SO ANY LINGERING SMOKE MAY GET TRAPPED BELOW 400 FEET ABOVE GROUND LEVEL. LESS MIXING IS FORECAST SATURDAY...BUT WITH MORE SUN. .TODAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT) THEN BECOMING PARTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 50. MIN HUMIDITY........45 PERCENT. WIND (EYE LEVEL)....NORTH WINDS 6 TO 12 MPH. WIND (20 FT)........NORTH WINDS 8 TO 14 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1200-3000 FT AGL. TRANSPORT WINDS.....NORTH 16 TO 25 MPH DECREASING NORTHWEST 6 TO 15 MPH LATE IN THE MORNING. TIME (CST) 1 PM 3 PM 5 PM SKY (%).........80 50 40 WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............48 50 48 RH..............54 45 49 20 FT WIND......N 9 N 10 N 6 20 FT WIND GUST.13 14 EYE LEVEL WIND..N 6 N 6 N 5 EYE LEVEL GUST..11 11 HAINES INDEX....3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). MIN TEMPERATURE.....AROUND 32. MAX HUMIDITY........100 PERCENT. WIND (EYE LEVEL)....NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. WIND (20 FT)........NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. 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.......2100-3900 FT AGL DECREASING TO 200-400 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....BECOMING SOUTH 3 TO 10 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........10 10 10 20 20 20 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............49 43 39 36 34 33 RH..............58 73 84 91 95 100 20 FT WIND......N 4 NE 3 NE 2 NE 2 N 2 W 2 20 FT WIND GUST.5 5 5 5 EYE LEVEL WIND..N 4 NE 3 NE 2 NE 2 N 2 W 2 EYE LEVEL WIND..5 5 5 5 HAINES INDEX....3 3 3 4 5 5 .SATURDAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 60. MIN HUMIDITY........48 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTH 6 TO 10 MPH IN THE LATE MORNING AND AFTERNOON. 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. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........10 10 10 10 10 10 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............32 34 43 52 58 59 RH..............100 100 79 60 51 49 EYE LEVEL WIND..SW 2 S 2 S 5 S 6 S 8 S 7 EYE LEVEL WIND.. 5 10 15 10 HAINES INDEX....4 4 4 4 3 3 $$ FORECASTER...11 REQUESTED BY...RUFUS STEPHENS TYPE OF REQUEST...PRESCRIBED .TAG 20100212.CNCPR.01/EWX