FNUS74 KJAN 141307 FWSJAN SPOT FORECAST FOR HOMOCHITTO HELIBASE...U.S. FOREST SERVICE NATIONAL WEATHER SERVICE JACKSON MS 807 AM CDT THU APR 14 2011 FORECAST IS BASED ON IGNITION TIME OF 1300 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) 1PM 2PM 3PM 4PM 5PM SKY (%).........PC PC PC PC PC WEATHER COV..... WEATHER TYPE.... TEMP............73 76 78 81 80 RH..............60 56 53 49 53 20 FT WIND DIR..S S S S S 20 FT WIND SPD..9 9 9 9 9 20 FT WIND GUST.17 18 18 18 18 MIX HGT (KFT)...4.1 4.8 5.6 5.9 5.6 MIX HGT (KM)....1.2 1.5 1.7 1.8 1.7 TRANSP WIND DIR.SW SW SW S S TRANSP WIND SPD.10 13 15 18 21 TRANS SPD (M/S).4 6 7 8 9 .TONIGHT... TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........MCLDY MCLDY MCLDY CLOUDY CLOUDY CLOUDY WEATHER COV..... CHANCE WEATHER TYPE....NONE NONE NONE NONE NONE RNSHWR TEMP............78 71 68 68 68 68 RH..............57 75 82 85 88 91 20 FT WIND DIR..S S SE S S S 20 FT WIND SPD..9 9 10 10 10 10 20 FT WIND GUST.17 18 20 20 20 20 MIX HGT (FT)....4900 1800 1300 700 400 400 MIX HGT (M).....1490 550 400 210 120 120 TRANSPORT WIND..S 23 S 22 SE 18 S 21 S 23 S 22 TRAN WIND (M/S).S 10 S 10 SE 8 S 9 S 10 S 10 $$ FORECASTER...BRYANT REQUESTED BY...JEFF BEIN TYPE OF REQUEST...PRESCRIBED .TAG 20110414.HOMOC.03/JAN