840  
FNUS72 KFFC 211547  
FWSFFC  
 
SPOT FORECAST FOR FORBUS TRACT...USDA FOREST SERVICE  
NATIONAL WEATHER SERVICE PEACHTREE CITY GA  
1047 AM EST FRI FEB 21 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 EST ON FEBRUARY 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
DRY CONDITIONS WILL PERSIST THROUGH THE WEEKEND. SKIES WILL BE  
MOSTLY CLEAR AND SURFACE/20 FT WINDS WILL GENERALLY BE LIGHT.  
THE WIND DIRECTION SHOULD MOSTLY BE EASTERLY THROUGH LATE  
SATURDAY AFTERNOON AND THEN SWITCH TO THE SOUTHWEST. SPEEDS  
WILL GENERALLY AVERAGE 5-6MPH DURING THE DAY AND GO LIGHT  
AND VARIABLE AT NIGHT.  
 
TRANSPORT WINDS WILL REMAIN EAST OR SOUTHEAST THROUGH EARLY SATURDAY.  
SPEEDS WILL BE PRETTY LIGHT AND AVERAGE 10MPH OR LESS THIS AFTERNOON.  
FOR SATURDAY, EARLY IN THE DAY TRANSPORT WIND DIRECTION WILL BE OUT  
OF THE EAST/SOUTHEAST AND THEN GO TO THE SOUTH/SOUTHWEST DURING  
THE EARLY AFTERNOON. SPEEDS WILL BE SLIGHTLY HIGHER AND GENERALLY  
AVERAGE 10 TO 12 MPH FOR THE LATE MORNING AND EARLY AFTERNOON.  
TRANSPORT WINDS SHIFT TO THE NORTHWEST ON SUNDAY.  
 
MIN RH VALUES ON SATURDAY WILL RANGE BETWEEN 25 AND 30 PERCENT. SINCE  
EASTERLY FLOW WILL NOT BE STRONG, VALUES WILL LIKELY BE CLOSER  
TO 25 PERCENT (OR POSSIBLY A BIT LOWER).  
 
   
SATURDAY  
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...MISSING.  
MAX TEMPERATURE.....AROUND 56.  
MIN HUMIDITY........27 PERCENT.  
DEWPOINT............23.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH EARLY  
IN THE AFTERNOON, THEN BECOMING LIGHT LATE IN  
THE AFTERNOON.  
MIXING HEIGHT.......4700 FT AGL.  
TRANSPORT WINDS.....SOUTH 8 TO 9 MPH SHIFTING TO THE SOUTHWEST 7 TO  
10 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (20400 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (39700 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............2.  
ADI.................8 EARLY IN THE MORNING INCREASING TO 53 IN THE  
AFTERNOON.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (KFT).......25 DECREASING TO 20 LATE IN THE AFTERNOON, THEN  
INCREASING TO 25 LATE IN THE AFTERNOON.  
 
TIME (EST) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........13 15 17 16 15 14 14  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0  
CHC OF THDR (%).M M M M M M M  
TEMP............46 50 53 55 56 55 53  
DEWPOINT........23 22 22 22 22 23 24  
RH..............40 34 30 28 27 28 32  
20 FT WIND DIR..SE SE S S S SW SW  
20 FT WIND SPD..3 3 3 5 5 3 2  
20 FT WIND GUST.7 7 7 7 7 7 5  
MIX HGT (KFT)...2.6 3.7 4.2 4.3 4.5 4.7 0.2  
TRANSP WIND DIR.SE S S S SW SW SW  
TRANSP WIND SPD.9 9 8 9 9 10 7  
LVORI...........1 1 1 1 1 1 2  
ADI.............32 39 39 44 52 53 8  
VRATE KT-FT/1K..20 26 28 31 37 40 30  
VENTRATE CAT....PR PR PR PR PR PR PR  
CEILING (KFT)...25 25 25 25 20 25 25  
   
SATURDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...MISSING.  
MIN TEMPERATURE.....AROUND 28.  
MAX HUMIDITY........87 PERCENT.  
DEWPOINT............25.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....WEST 1 TO 3 MPH SHIFTING TO THE NORTH AROUND 0  
MPH EARLY IN THE EVENING, THEN SHIFTING TO THE  
NORTHWEST 1 TO 2 MPH IN THE LATE EVENING AND  
OVERNIGHT.  
SMOKE DISPERSAL.....POOR (300 KNOT-FT).  
LVORI...............4.  
ADI.................0 TO 2.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (KFT).......25 IN THE EVENING.  
 
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........13 10 9 6 5 5 4 4 4 5 5 5  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).M M M M M M M M M M M M  
TEMP............50 47 44 41 38 36 35 34 33 31 30 29  
DEWPOINT........25 26 26 26 26 26 26 26 26 25 25 25  
RH..............37 43 50 56 61 66 69 72 75 78 80 85  
20 FT WIND DIR..SW W W W W W NW NW NW NW NW NW  
20 FT WIND SPD..1 1 1 1 1 1 1 1 1 1 1 1  
20 FT WIND GUST.5 3 3 3 3 3 3 3 3 5 5 5  
MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.W W N W NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.3 1 0 1 1 1 1 1 1 2 2 1  
LVORI...........2 2 2 3 3 4 4 4 4 4 6 6  
ADI.............2 0 0 0 0 1 1 1 1 1 1 1  
VRATE KT-FT/1K..10 0 0 0 0 0 0 0 0 0 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  
   
SUNDAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...MISSING.  
MAX TEMPERATURE.....AROUND 61.  
MIN HUMIDITY........29 PERCENT.  
DEWPOINT............27 INCREASING TO 30 LATE IN THE AFTERNOON.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......4100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 1 TO 9 MPH.  
SMOKE DISPERSAL.....POOR (500 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (23100 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............4.  
ADI.................1 TO 32.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (KFT).......MISSING.  
 
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........5 5 5 6 6 7 10 11 16 25 29 35  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).M M M M M M M M M M M M  
TEMP............28 29 33 39 45 50 54 57 59 61 60 58  
DEWPOINT........25 26 27 28 29 29 29 28 28 28 29 30  
RH..............87 85 76 65 54 45 37 33 30 29 30 33  
20 FT WIND DIR..NW NW NW NW NW NW W W W W W W  
20 FT WIND SPD..1 1 1 1 1 2 2 3 3 3 3 2  
20 FT WIND GUST.5 5 5 5 6 7 8 9 9 9 8 7  
MIX HGT (KFT)...0.3 0.3 0.2 0.2 1.9 2.4 3.3 3.8 3.8 4.0 4.1 0.2  
TRANSP WIND DIR.NW NW NW NW NW NW NW W W W W W  
TRANSP WIND SPD.1 2 5 7 9 8 6 5 5 6 7 6  
LVORI...........7 6 4 3 2 2 2 2 2 2 1 2  
ADI.............1 2 4 7 22 24 25 21 24 29 32 6  
VRATE KT-FT/1K..1 1 4 11 15 15 15 15 17 21 23 17  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
CEILING (KFT)...  
 
 
FORECASTER...NLISTEMAA  
REQUESTED BY...JOSEPH OBRIEN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2503440.0/FFC  
.DELDT 02/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JOSEPH.J.OBRIEN@USDA.GOV  
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