FNUS74 KJAN 141231 FWSJAN SPOT FORECAST FOR COMPTS 53 54 SOUTH...U.S. FOREST SERVICE NATIONAL WEATHER SERVICE JACKSON MS 731 AM CDT THU APR 14 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 14. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...CLOUDS WILL REMAIN ELEVATED THROUGH THE MUCH OF THE BURN PERIOD WITH SOME LOWER CEILINGS AROUND 3 TO 4 KFT WORKING THEIR WAY IN BY MID-AFTERNOON TO LATE AFTERNOON. TRANSPORT AND SURFACE WINDS WILL BE OUT OF THE SOUTH AND ALLOW FOR GOOD DISPERSION OF SMOKE IF BURN AREA IS NOT HIGHLY SHELTERED. HOWEVER...NORTHERN SLOPES MAY NOT VENTILATE AS WELL MIXING HEIGHTS WILL INCREASE THROUGH EARLY AFTERNOON AND THEN SLIGHTLY DECREASE BY 7PM. RELATIVE HUMIDITY VALUES WILL DRY OUT TO THE UPPER 30 PERCENTS BEFORE INCREASING MOISTURE FILTERS IN FROM THE SOUTH AS A WARM FRONT OVERSPREADS THE REGION./ALLEN/ .TODAY... TIME (CDT) 11 AM 1 PM 3 PM 5 PM SKY (%).........MCLEAR MCLEAR MCLEAR PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............67 74 79 80 RH..............59 46 39 40 20 FT WIND DIR..S S S S 20 FT WIND SPD..7 9 9 8 20 FT WIND GUST.15 17 17 16 MIX HGT (FT)....3500 4100 5400 5400 MIX HGT (M).....1070 1250 1650 1650 TRANSPORT WIND..SW 10 S 12 SW 12 S 12 TRAN WIND (M/S).SW 4 S 5 SW 5 S 5 .TONIGHT... TIME (CDT) 6 PM 8 PM SKY (%).........PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE TEMP............78 69 RH..............44 63 20 FT WIND DIR..S S 20 FT WIND SPD..7 7 20 FT WIND GUST.15 15 MIX HGT (FT)....4700 1100 MIX HGT (M).....1430 340 TRANSPORT WIND..S 13 S 14 TRAN WIND (M/S).S 6 S 6 $$ FORECASTER...ALLEN REQUESTED BY...GARY BUFKIN TYPE OF REQUEST...PRESCRIBED .TAG 20110414.COMPT.01/JAN