FNUS72 KFFC 180913 FWSFFC SPOT FORECAST FOR 165 166...USFS NATIONAL WEATHER SERVICE PEACHTREE CITY GA 513 AM EDT FRI MAR 18 2011 FORECAST IS BASED ON IGNITION TIME OF 1030 EDT ON MARCH 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE AND A DRY AIR MASS WILL REMAIN SETTLED ACROSS THE AREA TODAY. AS A RESULT...SOME AREAS WILL SEE CRITICALLY LOW RH VALUES FOR SEVERAL HOURS THIS AFTERNOON...AND THIS INCLUDES THE BURN PRESCRIBED BURN AREA. THIS COUPLED WITH DRY FUELS HAS WARRANTED THE ISSUANCE OF A FIRE DANGER STATEMENT FOR AREAS GENERALLY ALONG AND SOUTH OF A LA GRANGE TO WASHINGTON LINE TODAY. WINDS WILL BE MAINLY FROM THE WEST...SOUTHWEST AT 7 TO 10 MPH DURING THE AFTERNOON...BECOMING LIGHT FROM THE WEST BY MID TO LATE EVENING. A WEAK FRONT WILL SLIP DOWN INTO NORTHEAST GA LATE ON SATURDAY... SO WATCH FOR WINDS GOING LIGHT AND VARIABLE IN THE BURN AREA BY LATE SATURDAY AFTERNOON. .TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). TEMPERATURE.........62 AT IGNITION...MAX 84. RH..................60 PERCENT AT IGNITION...MIN 25 PERCENT. WIND (20 FT)........WINDS SOUTHWEST AT 6 MPH AT IGNITION...OTHERWISE SOUTHWEST WINDS 7 TO 9 MPH IN THE AFTERNOON. CWR.................0 PERCENT. MIXING HEIGHT.......3200 FT AGL AT IGNITION...INCREASING TO 5500 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 20 TO 22 MPH. DISPERSION INDEX....20 INCREASING TO 120 LATE IN THE MORNING...THEN DECREASING TO 86 EARLY IN THE AFTERNOON. LVORI...............2. TIME (EDT) 10 AM NOON 2 PM 4 PM SKY (%).........12 12 10 10 WEATHER TYPE....NONE NONE NONE NONE TEMP............57 71 79 83 RH..............63 40 28 25 20 FT WIND......SW 5 SW 7 SW 8 SW 9 20 FT WIND GUST.8 10 10 10 DISPERSION IDX..20 120 92 87 LVORI...........3 1 1 1 CWR.............0 0 0 0 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). PATCHY FOG AFTER MIDNIGHT. TEMPERATURE.........MIN 52. RH..................MAX 92 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH EARLY IN THE EVENING BECOMING LIGHT. CWR.................0 PERCENT. MIXING HEIGHT.......4200-5400 FT AGL DECREASING TO 0-100 FT AGL IN THE LATE EVENING TO OVERNIGHT. TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 5 MPH IN THE EVENING. DISPERSION INDEX....120 DECREASING TO 3 IN THE EVENING. LVORI...............3. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........10 13 13 13 14 14 WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............82 73 67 63 59 56 RH..............27 38 50 59 68 76 20 FT WIND......SW 7 SW 5 W 3 W 3 W 2 W 2 20 FT WIND GUST.10 8 5 5 5 5 DISPERSION IDX..75 7 4 2 1 1 LVORI...........1 2 2 3 4 4 CWR.............0 0 0 0 0 0 .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). PATCHY FOG EARLY IN THE MORNING. TEMPERATURE.........MAX 84. RH..................MIN 35 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH BY MID TO LATE MORNING...THEN BECOMING LIGHT & VARIABLE LATE IN THE AFTERNOON. MIXING HEIGHT.......0 FT AGL INCREASING TO 5400 FT AGL. TRANSPORT WINDS.....WEST AROUND 3 MPH INCREASING TO WNW AROUND 18 MPH EARLY IN THE MORNING...THEN BECOMING NORTH AROUND 7 MPH IN THE AFTERNOON. $$ FORECASTER...DARBE REQUESTED BY...TIM KOLNIK TYPE OF REQUEST...PRESCRIBED .TAG 20110318.16516.01/FFC