133  
FNUS72 KFFC 241949  
FWSFFC  
 
SPOT FORECAST FOR 140...USFS  
NATIONAL WEATHER SERVICE PEACHTREE CITY GA  
349 PM EDT WED APR 24 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
SOME THIN HIGH CLOUDS ARE POSSIBLE EARLY TOMORROW MORNING WITH SOME  
PATCHY AFTERNOON CUMULUS POSSIBLE. WINDS SHOULD REMAIN OUT OF THE  
NE OR E THROUGH THE DAY, BUT SPEEDS WILL GENERALLY AVERAGE 5 MPH OR  
LESS. SUSPECT WINDS COULD BE A BIT MORE VARIABLE THAN FORECAST  
EARLY IN THE MORNING BEFORE ANY MIXING BEGINS. TRANSPORT WINDS  
WILL START OUT EAST OR NORTHEAST. THERE COULD BE A TIME IN THE  
MID AFTERNOON WHERE THEY WILL GO EITHER VARIABLE OR TO THE  
NORTHWEST FOR A COUPLE OF HOURS. TRANSPORT WIND SPEEDS IN THE  
MORNING MAY START OUT 6 TO 8 MPH, BUT LIGHTEN TO 5 MPH OR LESS  
IN THE AFTERNOON. MINRH VALUES AROUND 30 PERCENT ARE LIKELY.  
 
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 82.  
MIN HUMIDITY........34 PERCENT.  
DEWPOINT............52.  
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH IN THE LATE  
MORNING AND EARLY AFTERNOON BECOMING LIGHT.  
MIXING HEIGHT.......6700 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 3 TO 9 MPH.  
SMOKE DISPERSAL.....POOR (7800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (29300 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............3.  
ADI.................8 TO 46.  
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (KFT).......25.  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........1 1 1 1 1 4 7 8 8  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1  
TEMP............60 66 71 74 77 78 80 80 81  
DEWPOINT........53 54 54 53 52 51 51 50 50  
RH..............78 66 54 48 42 39 36 35 34  
20 FT WIND DIR..NE NE NE E NE N N N N  
20 FT WIND SPD..5 5 5 5 5 3 3 3 3  
20 FT WIND GUST.6 7 7 7 7 7 6 7 6  
MIX HGT (KFT)...1.0 2.7 3.5 4.3 5.8 6.6 6.6 6.7 6.7  
TRANSP WIND DIR.NE E E E NE N N N N  
TRANSP WIND SPD.6 8 9 8 6 5 3 3 3  
LVORI...........4 3 1 1 1 1 2 2 1  
ADI.............8 29 43 46 45 34 30 30 31  
HAINES INDEX....3 3 3 3 3 4 4 4 4  
VRATE KT-FT/1K..8 22 29 28 26 25 24 23 23  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR  
CEILING (KFT)...25 25 25 25 25 25 25 25 25  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
CWR.................0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........89 PERCENT.  
DEWPOINT............52.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST AROUND 5 MPH.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 3 TO 5 MPH SHIFTING TO THE EAST 5 TO  
6 MPH LATE IN THE EVENING.  
SMOKE DISPERSAL.....FAIR (17400 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (600 KNOT-FT) LATE IN THE  
NIGHT.  
LVORI...............4.  
ADI.................2 TO 17.  
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (KFT).......25 DECREASING TO 15.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........8 16 16 18 24 27 29 34 37 38 39 40  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............79 76 72 69 66 64 63 62 61 60 59 58  
DEWPOINT........50 53 54 53 53 52 51 51 51 51 51 52  
RH..............37 44 55 58 61 64 67 69 71 74 76 81  
20 FT WIND DIR..N NE NE NE E E E E E E E E  
20 FT WIND SPD..3 3 3 3 3 3 3 3 3 5 5 5  
20 FT WIND GUST.6 6 6 6 7 7 7 7 7 7 8 8  
MIX HGT (KFT)...3.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2  
TRANSP WIND DIR.N NE NE NE E E E E E E E E  
TRANSP WIND SPD.3 3 3 3 5 5 5 5 5 5 6 6  
LVORI...........2 2 2 3 3 3 3 3 3 3 4 5  
ADI.............17 2 2 2 2 2 2 2 2 2 2 3  
HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 3  
VRATE KT-FT/1K..17 6 1 1 1 1 1 1 1 1 1 1  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
CEILING (KFT)...25 25 25 25 25 25 25 25 25 25 20 15  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
CWR.................10 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........52 PERCENT.  
DEWPOINT............55 INCREASING TO 60 IN THE LATE MORNING AND  
AFTERNOON.  
WIND (20 FT)........EAST WINDS 5 TO 9 MPH.  
MIXING HEIGHT.......4000 FT AGL.  
TRANSPORT WINDS.....EAST 6 TO 12 MPH INCREASING TO SOUTHEAST 17 TO  
21 MPH IN THE LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....POOR (900 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (65800 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............4.  
ADI.................3 EARLY IN THE MORNING INCREASING TO 72 IN THE  
AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (KFT).......15 DECREASING TO 10 EARLY IN THE MORNING.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........46 59 51 54 60 63 62 59 57 57 57 57  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 10 10 10 10 10 10 10 10 10 10  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............58 58 59 62 65 69 72 75 76 78 78 78  
DEWPOINT........53 55 56 57 59 60 60 61 60 60 60 59  
RH..............85 89 89 85 79 72 66 61 58 54 52 52  
20 FT WIND DIR..E E E E E E E E E E E E  
20 FT WIND SPD..5 5 6 7 8 8 9 9 9 9 8 8  
20 FT WIND GUST.9 9 10 12 13 14 15 16 16 15 15 14  
MIX HGT (KFT)...0.2 0.2 0.2 0.8 1.9 2.4 2.8 3.6 4.0 4.0 4.0 4.0  
TRANSP WIND DIR.E E E SE SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.6 6 7 12 17 21 21 20 18 18 20 18  
LVORI...........5 6 5 4 3 3 1 1 1 1 1 1  
ADI.............3 4 6 9 39 58 65 69 67 69 72 72  
HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3  
VRATE KT-FT/1K..1 1 1 12 33 43 48 58 62 63 65 66  
VENTRATE CAT....PR PR PR PR PR FR FR FR GD GD GD GD  
CEILING (KFT)...15 10  
 

 
FORECASTER...NLISTEMAA  
REQUESTED BY...AMY GALETKA  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2412313.0/FFC  
.DELDT 04/24/24  
.FORMATTERVERSION 2.0.0  
.EMAIL AMY.GALETKA@USDA.GOV  
 
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