FNUS72 KFFC 161245 FWSFFC SPOT FORECAST FOR 15A 25B...USFWS NATIONAL WEATHER SERVICE PEACHTREE CITY GA 845 AM EDT MON APR 16 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 16. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A COLD FRONT MOVING THROUGH THE LOWER MISSISSIPPI RIVER VALLEY WILL BECOME THE DOMINANT WEATHER FEATURE THIS AFTERNOON INTO TONIGHT AS THE HIGH CURRENTLY OVER THE AREA GIVES WAY. THE FRONT IS EXPECTED TO STALL OVER THE AREA TO ALLOW OTHER WEAK WAVES TO MOVE ALONG IT...AND EXTEND THE CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH TUESDAY. FOR TODAY... DESPITE THE SLOW INCREASE IN MOISTURE...TEMPERATURES WILL INCREASE ENOUGH TO KEEP RELATIVE HUMIDITY VALUES LOW...WITH MINIMUM RH IN THE MID-30 PERCENT RANGE. WINDS WILL BE GUSTY THIS AFTERNOON BUT GUSTS MAY NOT BE AS HIGH AS FORECAST IN FORESTED AREAS. FOR TONIGHT...ONLY EXPECT SLIGHT CHANCE OF PATCHY LIGHT FOG FORMATION BASED ON CURRENT FORECAST DEWPOINT AND PRECIPITATION TRENDS. HOWEVER...IF MOISTURE INCREASES MORE RAPIDLY THAN FORECAST AND RAIN FALLS IN THE AREA THIS EVENING...CHANCE MAY INCREASE TO MODERATE FOR MORE WIDESPREAD LIGHT FOG. AT THIS TIME... DO NOT EXPECT DENSE FOG FORMATION WITH SIGNIFICANTLY REDUCED VISIBILITIES. PLEASE CONTACT OUR OFFICE THIS AFTERNOON FOR FORECAST UPDATES AND ADDITIONAL TIMING FORECASTS BASED ON POTENTIAL FOR RAIN MOVING IN. .TODAY... SKY/WEATHER.........SUNNY THIS MORNING...CLOUDS INCREASING INTO THE AFTERNOON HOURS TO PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 87. MIN HUMIDITY........34 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH WITH GUSTS TO AROUND 20 MPH IN THE LATE MORNING AND AFTERNOON. CWR.................10 PERCENT. MIXING HEIGHT.......1000 FT AGL THIS MORNING INCREASING TO 5800-6000 FT AGL. TRANSPORT WINDS.....SOUTH 7 TO 16 MPH SHIFTING TO THE SOUTHWEST AROUND 9 MPH IN THE AFTERNOON. DISPERSION INDEX....4 INCREASING TO 20 EARLY IN THE MORNING...THEN INCREASING TO 85 LATE IN THE MORNING DECREASING TO 63 EARLY IN THE AFTERNOON INCREASING TO 74 DECREASING TO 63 IN THE AFTERNOON. LVORI...............5. TIME (EDT) 10 AM NOON 2 PM 4 PM SKY (%).........52 52 63 63 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............70 81 85 87 RH..............64 44 36 34 20 FT WIND......S 6 SW 8 SW 8 SW 7 20 FT WIND GUST.10 15 20 20 DISPERSION IDX..23 84 66 74 LVORI...........3 2 2 2 CWR.............10 10 10 10 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF SHOWERS INCREASING TO CHANCE THIS EVENING AND OVERNIGHT. ISOLATED THUNDERSTORMS ALSO POSSIBLE. MIN TEMPERATURE.....AROUND 59. MAX HUMIDITY........90 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING BECOMING LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR ANY THUNDERSTORMS THAT DEVELOP. CWR.................10 PERCENT INCREASING TO 30 PERCENT IN THE EVENING. DISPERSION INDEX....49 DECREASING TO 3. LVORI...............4. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........63 67 67 67 80 80 WEATHER COV..... CHANCE CHANCE CHANCE S CHC S CHC WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............85 77 70 67 66 62 RH..............38 53 67 74 76 84 20 FT WIND......SW 6 SW 3 SW 2 S 2 S 2 SW 1 20 FT WIND GUST.15 15 10 10 5 5 DISPERSION IDX..49 2 1 1 1 1 LVORI...........2 2 4 4 4 6 CWR.............10 30 30 30 20 20 .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS...WITH GREATEST CHANCE IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 83. MIN HUMIDITY........42 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. CWR.................30 PERCENT. DISPERSION INDEX....2 INCREASING TO 16 LATE IN THE MORNING. LVORI...............5. $$ FORECASTER...PALMER REQUESTED BY...JOHN MASON TYPE OF REQUEST...PRESCRIBED .TAG 20120416.15A25.01/FFC