FNUS72 KFFC 211617 FWSFFC SPOT FORECAST FOR WHITFIELD...EM WHITFIELD COUNTY NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1217 PM EDT MON MAY 21 2012 FORECAST IS BASED ON INCIDENT TIME OF 1153 EDT ON MAY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SHOWERS AND THUNDERSTORMS ARE MOVING THROUGH WHITFIELD COUNTY MIDDAY TODAY. EXPECT THEM TO MOVE INTO MURRAY COUNTY WITHIN THE NOON HOUR. FURTHER THUNDERSTORM DEVELOPMENT IS EXPECTED BETWEEN 2 AND 4 PM THIS AFTERNOON AHEAD AND ALONG AN APPROACHING COLD FRONT. ISOLATED SEVERE POTENTIAL WITH LARGE HAIL BEING THE MAIN THREAT THIS AFTERNOON AND EARLY EVENING. CURRENT WINDS ARE LIGHT AND VARIABLE...BUT HIGHER GUSTS CAN BE EXPECTED IN ASSOCIATION WITH SHOWERS AND THUNDERSTORMS. ONCE THE COLD FRONT PASSES THE AREA THIS AFTERNOON...WINDS WILL INCREASE FROM THE NORTHWEST BEGINNING AROUND 2 PM. .REST OF TODAY... SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 86. MIN HUMIDITY........42 PERCENT. WIND (20 FT)........NORTHWEST WINDS 6 TO 8 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. CWR.................50 PERCENT. LAL.................3. MIXING HEIGHT.......5300 FT AGL. TRANSPORT WINDS.....SOUTH 5 MPH SHIFTING TO THE NORTHWEST 6 TO 13 MPH IN THE AFTERNOON. DISPERSION INDEX....INCREASING TO 51. LVORI...............2. TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........55 55 78 78 78 78 WEATHER COV.....CHC CHC CHC CHC CHC CHC WEATHER TYPE....RW RW RW RW RW RW TEMP............78 80 83 85 85 86 RH..............58 50 45 43 42 42 20 FT WIND DIR..W W NW NW NW NW 20 FT WIND SPD..6 6 7 7 8 8 20 FT WIND GUST.10 15 15 15 15 15 DISPERSION IDX..20 31 40 49 51 52 LVORI...........2 1 1 1 1 1 CWR.............40 40 50 50 50 50 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.....AROUND 60. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........NORTH WINDS 5 TO 8 MPH EARLY IN THE EVENING BECOMING LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. CWR.................50 PERCENT. LAL.................3. MIXING HEIGHT.......5300 FT AGL DECREASING TO 0 EARLY IN THE EVENING. TRANSPORT WINDS.....NORTHWEST 5 TO 12 MPH. DISPERSION INDEX....48 DECREASING TO 7. LVORI...............5. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........78 78 78 78 80 80 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............84 79 71 68 65 63 RH..............45 54 73 79 89 95 20 FT WIND......NW 8 N 6 N 3 N 2 N 1 N 1 20 FT WIND GUST.15 15 10 5 5 5 DISPERSION IDX..48 6 3 2 3 3 LVORI...........1 2 3 4 6 6 CWR.............50 50 50 50 50 50 $$ FORECASTER...GARCIA REQUESTED BY...CLAUDE CRAIG TYPE OF REQUEST...HAZMAT .TAG 20120521.WHITF.02/FFC