FNUS72 KCAE 201457 FWSCAE SPOT FORECAST FOR FTG_TANKTRAIL...DEPARTMENT OF DEFENSE NATIONAL WEATHER SERVICE COLUMBIA SC 957 AM EST TUE DEC 20 2011 FORECAST IS BASED ON IGNITION TIME OF 1030 EST ON DECEMBER 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...LOW PRESSURE OVER THE SOUTHERN PLAINS WILL PUSH A COLD FRONT ACROSS THE WESTERN GULF STATES TODAY AND TONIGHT. THIS WILL RESULT IN INCREASING SOUTHERLY FLOW RETURNING MOISTURE AND INCREASING CHANCES OF RAIN SHOWERS TO THE AREA FOR THIS AFTERNOON THROUGH WEDNESDAY. THE FRONT WILL STALL ON WEDNESDAY ALLOWING FOR UNSETTLED CONDITIONS BY LATE THIS WEEK. SOUTHERLY TRANSPORT WINDS TODAY ARE EXPECTED TO PROVIDE ENOUGH LOW LEVEL MOISTURE TO KEEP RH VALUES ABOVE THE 50 PERCENT MARK. SURFACE WINDS WILL BE SOUTH TO SOUTHWEST THIS AFTERNOON GENERALLY LESS THAN 10 MPH. WINDS BECOMING LIGHT SOUTH TO SOUTHEAST TONIGHT WITH AN INVERSION LATE TONIGHT BETWEEN MIDNIGHT AND 8 AM WEDNESDAY MORNING. WITH SURFACE WINDS 3-4 MPH TONIGHT...WINDS AT 5 HUNDRED FEET WILL RUN ABOUT 20 MPH. THIS SHOULD SUPPRESS SMOKE DISPERSION FOR SMALL FIRES BUT A LARGE FIRE MAY HAVE SIGNIFICANT SMOKE DISPERSION WITH SUFFICIENT HEATING TO ALLOW STRONGER WINDS TO REACH THE SURFACE. OTHERWISE...FOG DEVELOPMENT WILL BE LIMITED WEDNESDAY MORNING WITH INCREASED CLOUD COVER AND A CHANCE OF RAIN IN THE AREA. .TODAY... TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%)..............90 75 79 81 83 86 89 92 WEATHER COV.......... CHC CHC CHC WEATHER TYPE......... RW RW RW TEMP.................53 57 60 62 63 64 63 62 RH...................86 72 65 61 60 62 65 72 20 FT WIND DIR.......S S S S S S SE SE 20 FT WIND DIR.......180 180 190 190 180 160 140 120 20 FT WIND SPD.......4 5 5 5 5 5 4 4 20 FT WIND GUST......10 10 10 10 10 10 10 10 MIX HGT (KFT)........2.3 2.9 3.4 3.7 3.5 3.0 2.4 1.8 TRANSP WIND DIR......S S S SW SW W W NW TRANSP WIND SPD......12 13 14 14 14 13 10 9 LVORI................M M M M M M M M .TONIGHT... TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)..............95 97 97 97 97 99 WEATHER COV..........CHANCE CHANCE CHANCE CHANCE LIKELY LIKELY WEATHER TYPE.........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP.................59 56 55 55 55 55 RH...................83 95 95 93 94 92 20 FT WIND...........E 3 E 2 SE 3 SE 3 S 4 S 5 20 FT WIND GUST......5 5 5 5 10 10 MIX HGT (FT).........1200 500 400 400 400 300 TRANSPORT WIND.......NW 8 N 7 NE 8 E 9 SE 8 SE 7 LVORI................M M M M M M .WEDNESDAY... TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)..............100 100 100 99 99 97 WEATHER COV..........LIKELY LIKELY LIKELY LIKELY CHANCE CHANCE WEATHER TYPE.........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP.................54 55 61 67 70 70 RH...................96 100 87 75 71 71 20 FT WIND...........S 5 S 6 S 7 S 8 SW 8 S 7 20 FT WIND GUST......10 15 15 15 15 15 MIX HGT (FT).........500 1200 2200 3000 3100 2400 TRANSPORT WIND.......S 7 S 9 SW 16 SW 22 SW 23 SW 18 LVORI................M M M M M M $$ FORECASTER...HAWKS REQUESTED BY...ALLEN BRASWELL TYPE OF REQUEST...PRESCRIBED .TAG 20111220.FTG_T.01/CAE