FNUS72 KFFC 191259 FWSFFC SPOT FORECAST FOR TURKEY FARM...USFS NATIONAL WEATHER SERVICE PEACHTREE CITY GA 859 AM EDT MON MAR 19 2012 FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON MARCH 19. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE SURFACE AND ALOFT WILL KEEP A SUMMER LIKE PATTERN OVER THE AREA THROUGH TUESDAY. MARGINAL INSTABILITY DURING AFTERNOON HEATING WILL AID IN THE DEVELOPMENT OF ISOLATED AFTERNOON SHOWERS AND THUNDERSTORMS...BUT MAINLY OVER EAST GEORGIA EACH DAY. AFTERNOON RH VALUES WILL REMAIN ABOVE CRITICAL LEVELS WITH AID FROM AN INCREASING SOUTHERLY WIND FLOW. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). PATCHY FOG EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........NEAR 40 PERCENT. WIND (20 FT)........LIGHT NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE SOUTH SOUTHEAST AROUND 5 TO 8 MPH BY NOON...MOSTLY UPSLOPE. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. CWR.................10 PERCENT INCREASING TO 20 PERCENT EARLY IN THE AFTERNOON. MIXING HEIGHT.......5500-6500 FT AGL TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH SHIFTING TO THE SOUTHWEST AROUND 10 MPH EARLY BY NOON. DISPERSION INDEX....11 INCREASING TO 22 EARLY IN THE MORNING...THEN INCREASING TO 41 EARLY IN THE MORNING INCREASING TO 51 IN THE LATE MORNING AND EARLY AFTERNOON DECREASING TO 39 DECREASING TO 28 IN THE AFTERNOON DECREASING TO 18. LVORI...............3. TIME (EDT) NOON 2 PM 4 PM SKY (%).........42 49 53 WEATHER COV..... S CHC S CHC WEATHER TYPE....NONE RNSHWR RNSHWR TEMP............73 78 80 RH..............47 42 39 20 FT WIND......S 5 SW 6 S 6 20 FT WIND GUST.10 10 10 DISPERSION IDX..53 48 28 LVORI...........1 1 2 CWR.............10 20 20 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. MIN TEMPERATURE.....NEAR 50. MAX HUMIDITY........93 PERCENT. WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT AND VARIABLE...MOSTLY DOWNSLOPE. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE EVENING. CWR.................20 PERCENT DECREASING TO 10 PERCENT EARLY IN THE EVENING. MIXING HEIGHT.......6000 FT AGL DECREASING TO NEAR 100 FT AGL TRANSPORT WINDS.....SOUTHEAST 3 TO 6 MPH. DISPERSION INDEX....6 DECREASING TO 2 IN THE LATE EVENING AND OVERNIGHT. LVORI...............4. TIME (EDT) 6 PM 8 PM 10 PM SKY (%).........53 44 43 WEATHER COV.....S CHC WEATHER TYPE....RNSHWR NONE NONE TEMP............79 71 65 RH..............39 53 63 20 FT WIND......S 5 VRBL 2 VRBL 2 20 FT WIND GUST.10 5 5 DISPERSION IDX..10 1 1 LVORI...........2 2 3 CWR.............20 10 10 .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........40 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH IN THE LATE MORNING AND AFTERNOON. CWR.................10 PERCENT. MIXING HEIGHT.......5000 TO 6000 FT AGL TRANSPORT WINDS.....SOUTHEAST 3 TO 10 MPH INCREASING TO 13 TO 14 MPH LATE IN THE MORNING. DISPERSION INDEX....16 INCREASING TO 36 EARLY IN THE MORNING...THEN INCREASING TO 56 EARLY IN THE MORNING INCREASING TO 74 LATE IN THE MORNING INCREASING TO 90 DECREASING TO 81 EARLY IN THE AFTERNOON DECREASING TO 63 DECREASING TO 44 EARLY IN THE AFTERNOON. LVORI...............3. $$ FORECASTER...MCMULLEN REQUESTED BY...JASON DEMAS TYPE OF REQUEST...PRESCRIBED .TAG 20120319.TURKE.01/FFC