FNUS72 KCAE 151227 FWSCAE SPOT FORECAST FOR FTG_490809...DEPARTMENT OF DEFENSE NATIONAL WEATHER SERVICE COLUMBIA SC 827 AM EDT THU MAR 15 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MARCH 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A SURFACE RIDGE OF HIGH PRESSURE WILL REMAIN OVER THE AREA TODAY. THIS WILL LEAD TO THE MORNING INVERSION BREAKING LATER THAN NORMAL...WITH CALM OR LIGHT AND VARIABLE WINDS CONTINUING THROUGH AT LEAST LATE MORNING. NO SIGNIFICANT WIND SHIFTS ARE EXPECTED. ONCE INVERSION BREAKS IN THE LATE MORNING TO AROUND NOON...A S TO SW WIND IS EXPECTED. WITH SUNSHINE AND WARM TEMPERATURES TODAY...HIGH MIXING HEIGHTS ARE EXPECTED DURING THE MID AND LATE AFTERNOON. ADJUSTED THE DEWPOINTS AND RELATIVE HUMIDITIES DOWN SOME TODAY DUE TO THE EXPECTED HIGH MIXING HEIGHTS...CURRENT TRENDS...AND LATEST MODEL GUIDANCE. CURRENT EXPECTATIONS ARE THAT THE RH SHOULD FALL TO AROUND 28 TO 30 PERCENT THIS AFTERNOON AT YOUR LOCATION...REMAINING JUST ABOVE 25 PERCENT. AN INVERSION IS EXPECTED TO SET UP AGAIN AROUND DUSK...WITH LIGHT AND VARIABLE WINDS OVERNIGHT. PATCHY FOG...POSSIBLY DENSE...WILL BE POSSIBLE AGAIN LATE TONIGHT/FRIDAY MORNING...DEPENDING ON ANY CLOUD COVER. .TODAY... TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%)..............15 17 20 23 24 25 27 30 WEATHER COV.......... WEATHER TYPE......... TEMP.................65 71 75 79 82 84 85 86 RH...................71 59 51 43 37 33 31 29 20 FT WIND DIR.......SW SW SW S S S SW SW 20 FT WIND DIR.......220 210 210 200 200 200 210 210 20 FT WIND SPD.......0 1 2 3 4 5 5 5 20 FT WIND GUST...... 5 5 5 10 10 10 MIX HGT (KFT)........0.9 2.2 3.5 4.8 6.1 6.7 6.7 6.7 TRANSP WIND DIR......SW W W W SW SW SW S TRANSP WIND SPD......1 3 5 5 3 6 8 9 LVORI................4 3 2 2 2 2 2 1 .TONIGHT... TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)..............32 34 41 49 56 59 WEATHER COV.......... WEATHER TYPE.........NONE NONE NONE NONE NONE NONE TEMP.................85 77 70 66 63 60 RH...................30 42 60 68 75 83 20 FT WIND...........SW 4 SW 2 SW 2 S 2 S 2 S 1 20 FT WIND GUST......5 5 5 5 MIX HGT (FT).........5100 400 200 100 100 100 TRANSPORT WIND.......S 9 S 7 S 6 S 3 S 2 S 1 LVORI................1 2 3 3 4 5 .FRIDAY... TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)..............64 67 65 62 59 62 WEATHER COV.......... S CHC S CHC CHANCE CHANCE CHANCE WEATHER TYPE.........NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP.................58 57 65 73 77 80 RH...................90 93 70 55 50 39 20 FT WIND...........S 1 SW 1 SW 2 SW 4 SW 5 SW 5 20 FT WIND GUST...... 5 5 10 10 MIX HGT (FT).........100 300 1100 3300 5900 5600 TRANSPORT WIND.......S 1 SW 1 SW 3 SW 7 SW 9 SW 8 LVORI................6 6 4 2 2 1 $$ FORECASTER...MILLER REQUESTED BY...ALLEN BRASWELL TYPE OF REQUEST...PRESCRIBED .TAG 20120315.FTG_4.01/CAE