FNUS74 KFWD 151520 FWSFWD SPOT FORECAST FOR RAY ROBERTS LAKE SP-JOHNSON-UNIT 4...TEXAS PARKS AND WILDLIFE DEPT NATIONAL WEATHER SERVICE FORT WORTH TX 920 AM CST WED DEC 15 2010 FORECAST IS BASED ON IGNITION TIME OF 1100 CST ON DECEMBER 15. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SKIES ARE EXPECTED TO REMAIN MOSTLY SUNNY TODAY WITH SOUTHERLY WINDS VEERING A BIT TOWARDS THE SOUTHWEST AND INCREASING AS WE HEAD INTO THE AFTERNOON HOURS. DURING THE PEAK HEATING HOURS WINDS ARE EXPECTED TO BE OUT OF THE SOUTH SOUTHWEST AT 15 TO 20 MPH WITH GUSTS TO 30 MPH. AFTERNOON MIN RH VALUES ARE EXPECTED TO GENERALLY REMAIN ABOVE 30 PERCENT...HOWEVER WE WILL HAVE TO CLOSELY WATCH A DRYLINE LIKE FEATURE THAT IS EXPECTED TO BE LOCATED JUST WEST OF DENTON COUNTY THIS AFTERNOON. IF THIS BOUNDARY WERE TO MOVE EAST FURTHER THAN EXPECTED RH VALUES WOULD QUICKLY FALL FROM 35 PERCENT THIS AFTERNOON TO 10 TO 15 PERCENT. AT THIS TIME THIS DRY AIR BOUNDARY LOOKS LIKE IT WILL STAY WEST OF THE BURN SITE. REGARDLESS THE COMBINATION OF BREEZY SOUTHERLY FLOW AND AFTERNOON RH VALUES NEAR 30 PERCENT WILL SUPPORT ELEVATED FIRE WEATHER CONDITIONS THIS AFTERNOON WHICH MAY MAKE GRASS FIRES DIFFICULT TO CONTROL. PLEASE CONTACT THE NATIONAL WEATHER SERVICE IF ANY ADDITIONAL INFORMATION IS NEEDED. .REST OF TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 73. MIN HUMIDITY........34 PERCENT. WIND (20 FT)........SOUTH WINDS 15 TO 16 MPH. TIME (CST) 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........22 20 18 16 14 13 11 WEATHER COV..... WEATHER TYPE.... TEMP............60 66 69 72 73 72 69 RH..............51 43 39 35 34 34 37 20 FT WIND DIR..S S S S S S S 20 FT WIND SPD..12 12 12 12 11 10 8 20 FT WIND GUST.25 25 25 25 25 20 15 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). MIN TEMPERATURE.....AROUND 35. MAX HUMIDITY........89 PERCENT. WIND (20 FT)........NORTH WINDS 6 TO 10 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........9 15 20 26 26 26 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............65 57 50 46 42 39 RH..............43 51 61 65 73 82 20 FT WIND......S 6 SW 5 W 5 NW 6 NW 6 N 7 20 FT WIND GUST.10 10 10 10 10 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 50. MIN HUMIDITY........47 PERCENT. WIND (20 FT)........NORTH WINDS 7 TO 13 MPH. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........27 29 31 34 34 34 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............37 36 38 45 49 48 RH..............89 89 82 60 48 47 20 FT WIND......N 8 N 9 N 10 N 10 N 8 N 6 20 FT WIND GUST.15 20 20 20 15 10 $$ FORECASTER...CAVANAUGH REQUESTED BY...JEFF SPARKS TYPE OF REQUEST...PRESCRIBED .TAG 20101215.RAYRO.01/FWD