FNUS72 KFFC 181127 FWSFFC SPOT FORECAST FOR 182_174...USFS NATIONAL WEATHER SERVICE PEACHTREE CITY GA 727 AM EDT SUN MAR 18 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON MARCH 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE AT THE SURFACE AND ALOFT WILL CONTINUE THE SUMMER LIKE PATTERN THROUGH MONDAY. MARGINAL INSTABILITY DURING DAYTIME HEATING WILL AID THE DEVELOPMENT OF ISOLATED TO OCCASIONALLY SCATTERED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS. THE GREATER RAIN CHANCES WILL BE NORTH AND EAST TODAY AND MONDAY. .TODAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL EARLY AFTERNOON...THEN CHANCE OF SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. MAX TEMPERATURE.....AROUND 86. MIN HUMIDITY........34 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 7 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......5200-6300 FT AGL BY EARLY TO MID MORNING. TRANSPORT WINDS.....WEST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON. DISPERSION INDEX....43 EARLY THIS MORNING...INCREASING TO 65 BY LATE MORNING...THEN DECREASING TO 46 BY EARLY AFTERNOON... THEN DOWN TO 20 BY LATE AFTERNOON. LVORI...............4. TIME (EDT) 11 AM 1 PM 3 PM 5 PM SKY (%).........60 60 54 54 WEATHER COV.....S CHC S CHC CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR TSTRM TSTRM TEMP............72 79 84 86 RH..............57 44 37 35 20 FT WIND......W 5 W 6 W 6 W 6 20 FT WIND GUST.8 10 10 10 DISPERSION IDX..65 46 27 18 LVORI...........1 1 1 2 .TONIGHT... MIN TEMPERATURE.....AROUND 59. MAX HUMIDITY........79 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING BECOMING LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER MIDNIGHT. MIXING HEIGHT.......6300 FT AGL DECREASING TO 0-100 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTHWEST 3 TO 6 MPH. DISPERSION INDEX....8 DECREASING TO 1 IN THE LATE EVENING AND OVERNIGHT. LVORI...............3. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM TEMP............85 78 72 69 66 63 RH..............36 44 51 56 61 68 20 FT WIND......SW 6 SW 5 S 3 S 2 SW 2 SW 2 20 FT WIND GUST.10 10 6 5 5 5 DISPERSION IDX..12 3 1 1 1 0 LVORI...........2 2 2 2 3 3 CWR.............30 20 20 20 10 10 .MONDAY... DISPERSION INDEX....12 INCREASING TO 30 BY LATE IN THE MORNING...THEN INCREASING TO 35 IN THE AFTERNOON. LVORI...............2. $$ FORECASTER...DARBE REQUESTED BY...TIM KOLNIK TYPE OF REQUEST...PRESCRIBED .TAG 20120318.182_1.01/FFC