FNUS72 KCAE 061323 FWSCAE SPOT FORECAST FOR LC 352...US FOREST SERVICE NATIONAL WEATHER SERVICE COLUMBIA SC 823 AM EST WED FEB 6 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON FEBRUARY 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE WILL BRIEFLY BUILD INTO THE AREA TODAY BUT WILL GIVE WAY TO APPROACHING LOW PRESSURE ON THURSDAY. NO RAIN IS EXPECTED TODAY...HOWEVER SOME MORNING FOG WILL DISSIPATE BY 9 AM ACROSS THE AREA. CRITICAL RH VALUES NOT EXPECTED TO BE MET TODAY. EXPECT RH VALUES TO BOTTOM OUT IN THE UPPER 20S TO LOWER 30S PERCENT RANGE BETWEEN 2 AND 4 PM. WHILE MIXING HEIGHTS WILL RISE BETWEEN 3500 AND 4000 FT WITH RELATIVELY WEAK TRANSPORT WINDS. SURFACE/20 FEET WINDS SPEEDS THROUGH THE DAY WILL BEGIN FROM THE NORTHWEST THIS MORNING LESS THAN 5 MPH...THEN SHIFT TO THE NORTH BY LATE MORNING...THEN TO NORTHEAST FROM MIDDAY THROUGH THE REMAINDER OF THE DAY. EXPECTED WIND SPEEDS THROUGH THE MIDDAY/AFTERNOON PERIOD WILL BE FROM 4 TO 7 MPH. THE TRANSPORT WINDS WILL ALSO BEGIN FROM THE NORTHWEST ...BUT LIGHT THIS MORNING THEN BECOME NORTHEAST AFTER MIDDAY. TRANSPORT WIND SPEEDS ARE EXPECTED TO RANGE FROM 6 TO 11 MPH. THE 20 FT WINDS AND TRANSPORT WINDS WILL DIMINISH TOWARD SUNSET. HOWEVER...AN INCREASING LOW LEVEL JET BEGINNING AT AROUND 10 KTS AFTER SUNSET WILL INCREASE TO AROUND 25 KTS BY MIDNIGHT. EXPECT AN INVERSION TO DEVELOP AROUND 1000 FEET BETWEEN 6 PM AND 8 PM...BUT THE WINDS BELOW THE INVERSION WILL INCREASE SLIGHTLY OVERNIGHT. EXPECT WINDS NEAR THE SURFACE TO BEGIN THIS EVENING RATHER LIGHT RANGING FROM 3 TO 6 MPH FROM THE NORTHEAST...BUT INCREASE OVERNIGHT AS THE JET STRENGTHENS. EXPECT WINDS NEAR THE SURFACE TO INCREASE TO 5 TO 7 MPH FROM THE NORTHEAST/EAST-NORTHEAST WITH TRANSPORT WINDS FROM THE NORTHEAST AT 7 TO 10 MPH. ON THURSDAY...LOW PRESSURE WILL APPROACH THE REGION BRINGING WIDESPREAD RAINFALL BY THURSDAY AFTERNOON AND CONTINUING THROUGH THE OVERNIGHT HOURS. AVERAGE RAINFALL IS EXPECTED TO RANGE FROM 1 TO 2 INCHES. THE RAINFALL WILL BEGIN AROUND MID TO LATE MORNING. .TODAY... TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%)..............0 0 0 0 0 0 1 1 WEATHER COV.......... WEATHER TYPE......... TEMP.................52 57 62 64 66 67 67 65 RH...................69 55 43 38 34 30 29 31 20 FT WIND DIR.......N N N N NE E E E 20 FT WIND DIR.......350 000 010 020 050 090 110 100 20 FT WIND SPD.......2 2 3 3 3 3 3 3 20 FT WIND GUST......5 10 10 10 10 10 5 5 MIX HGT (KFT)........1.1 1.9 2.8 3.6 4.2 4.4 4.2 3.1 TRANSP WIND DIR......NW NW N N N NW NW N TRANSP WIND SPD......7 7 7 6 5 5 3 3 LVORI................3 2 2 2 2 2 2 2 .TONIGHT... TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%)..............1 1 4 10 16 22 28 31 36 45 54 63 WEATHER COV.......... WEATHER TYPE......... TEMP.................60 59 56 54 52 50 49 48 47 44 44 43 RH...................41 45 49 52 56 61 63 65 68 73 73 76 20 FT WIND DIR.......E E E E E E E E E NE NE NE 20 FT WIND DIR.......080 070 070 070 070 070 070 070 070 060 060 060 20 FT WIND SPD.......2 2 2 3 3 3 4 4 4 4 5 5 20 FT WIND GUST......5 5 5 5 5 5 10 10 10 10 10 10 MIX HGT (KFT)........1.7 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 TRANSP WIND DIR......NE E E E E E E E E E E NE TRANSP WIND SPD......3 3 3 3 5 5 6 6 6 5 5 5 LVORI................2 2 2 2 3 3 3 3 3 3 3 4 .THURSDAY... TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%)..............72 77 79 84 89 93 98 100 100 100 100 100 WEATHER COV.......... SCH SCH CHC CHC CHC LKY LKY LKY DEF DEF DEF WEATHER TYPE......... RN RN RN RN RN RN RN RN RN RN RN TEMP.................43 43 44 46 47 49 51 52 52 53 53 52 RH...................76 76 73 71 68 63 61 61 61 59 61 63 20 FT WIND DIR.......NE NE NE NE NE NE NE NE NE NE E E 20 FT WIND DIR.......050 050 050 050 050 050 050 050 060 060 070 070 20 FT WIND SPD.......5 5 5 5 5 5 6 6 6 6 6 6 20 FT WIND GUST......10 10 10 15 15 15 15 15 15 15 15 15 MIX HGT (KFT)........0.2 0.3 0.5 0.7 1.0 1.3 1.6 1.9 2.0 2.0 1.9 1.7 TRANSP WIND DIR......NE NE NE E E E E E E E E E TRANSP WIND SPD......6 7 9 13 15 17 18 20 20 18 17 16 LVORI................4 4 3 3 3 2 1 1 1 1 1 2 $$ FORECASTER...VAUGHAN REQUESTED BY...BILL HAMMOND TYPE OF REQUEST...PRESCRIBED .TAG 20130206.LC352.01/CAE