FNUS72 KFFC 091125 FWSFFC SPOT FORECAST FOR BOGGS...USFS NATIONAL WEATHER SERVICE PEACHTREE CITY GA 625 AM EST SAT MAR 9 2013 FORECAST IS BASED ON IGNITION TIME OF 0605 EST ON MARCH 09. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AFTER LIGHT EARLY MORNING WINDS DOMINATED BY DOWN-SLOPE AND DOWN-VALLEY EFFECTS...WINDS WILL BE SWINGING TO SOUTH EARLY IN THE DAY ALLOWING HIGHER DEW POINTS AND SUBSEQUENTLY HIGHER RELATIVE HUMIDITIES ON SATURDAY AS COMPARED TO FRIDAY AFTERNOON. STILL...RELATIVE HUMIDITIES WILL DROP INTO THE 26-30 PERCENT RANGE FOR AT LEAST A COUPLE OF HOURS AFTER MIDDAY FROM MID-SLOPE TO RIDGE TOP WHERE THE BEST SOLAR HEATING WILL PREVAIL. CONFIDENCE IN FORECAST AFTERNOON RH VALUES IS MEDIUM AND REACHING 25 PERCENT OR SLIGHTLY LOWER WOULD NOT BE OUT OF THE QUESTION BEFORE HIGHER DEWPOINTS ADVECT NORTHWARD. THERE MAY BE PERIODS WHERE WIND SWINGS SOUTHWEST IN THE AFTERNOON AS DAYTIME HEATING ALLOWS FOR UPSLOPE FLOW COMPONENT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). PATCHY FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 63. MIN HUMIDITY........27 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS BECOMING SOUTH 5 TO 7 MPH IN THE LATE MORNING AND AFTERNOON. CWR.................0 PERCENT. MIXING HEIGHT.......INCREASING TO 3200-3800 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 3 TO 9 MPH. DISPERSION INDEX....4 INCREASING TO 28. LVORI...............3. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........41 41 38 41 40 35 WEATHER COV.....PATCHY WEATHER TYPE....FROST NONE NONE NONE NONE NONE TEMP............36 39 47 55 61 63 RH..............61 59 45 34 28 28 20 FT WIND......E 2 E 3 S 6 S 5 S 6 S 7 20 FT WIND GUST.5 5 10 10 10 10 DISPERSION IDX..2 5 5 14 28 29 LVORI...........3 3 2 2 2 2 CWR.............0 0 0 0 0 0 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). MIN TEMPERATURE.....AROUND 40. MAX HUMIDITY........77 PERCENT. WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. CWR.................0 PERCENT. MIXING HEIGHT.......3500 FT AGL DECREASING TO 0 FT AGL. TRANSPORT WINDS.....SOUTHEAST 6 TO 8 MPH. DISPERSION INDEX....26 DECREASING TO 5. LVORI...............3. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........27 28 36 40 45 57 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............59 53 49 46 44 42 RH..............37 47 51 59 66 72 20 FT WIND......SE 5 SE 2 E 2 E 2 E 3 E 3 20 FT WIND GUST. 5 5 5 5 5 DISPERSION IDX..26 6 7 4 5 5 LVORI...........2 2 2 3 3 3 CWR.............0 0 0 0 0 0 .SUNDAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 62. MIN HUMIDITY........40 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH IN THE LATE MORNING AND AFTERNOON. CWR.................0 PERCENT. MIXING HEIGHT.......INCREASING TO 3200-3800 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHEAST 7 TO 16 MPH INCREASING TO 17 TO 18 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....8 INCREASING TO 51. LVORI...............3. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........63 63 55 63 52 52 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............40 43 50 57 61 62 RH..............77 70 56 46 41 42 20 FT WIND......E 2 E 3 E 5 SE 6 SE 7 SE 8 20 FT WIND GUST.5 5 10 10 10 15 DISPERSION IDX..5 7 11 29 49 55 LVORI...........4 3 2 2 1 1 CWR.............0 0 0 0 0 0 $$ FORECASTER...BAKER REQUESTED BY...DEMAS TYPE OF REQUEST...PRESCRIBED .TAG 20130309.BOGGS.02/FFC