312  
FNUS72 KFFC 291857  
FWSFFC  
 
SPOT FORECAST FOR 154...USFS  
NATIONAL WEATHER SERVICE PEACHTREE CITY GA  
257 PM EDT SUN MAR 29 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON MARCH 30.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
HIGH PRESSURE CENTERED OFF THE SC/GA COAST WILL KEEP S TO SE  
WINDS ACROSS THE AREA THROUGH TUESDAY. WIND SPEEDS MON AND TUE  
WILL STAY FAIRLY LIGHT WITH SPEEDS IN THE 1 TO 5MPH RANGE WITH  
GUST 8-12MPH. WINDS OVERNIGHT WILL BE NEAR CALM, COMBINED WITH RH  
VALUES NEAR 100% BY DAYBREAK TUE WE COULD SEE SOME PATCHY FOG NEAR  
THE BURN SITE. ANY FOG THAT DEVELOPS WILL BE SHORT LIVED AND  
DIMINISH BY 10AM TUE. IF FOG DOES DEVELOP VISIBILITIES WILL ONLY  
DROP INTO THE 2-4 MILE RANGE. RELATIVE HUMIDITIES WILL BE IN THE  
95% TO 100% RANGE AT 8AM MON BUT THEY ARE EXPECTED TO FALL TO NEAR  
50% BY 4-6PM MON AFTERNOON. PRECIP CHANCES BEGIN TO INCREASE TUE  
WITH THE MOIST SOUTHERLY FLOW SETTING UP. WILL SEE A 20-30%  
CHANCE OF PRECIP TUE AFTERNOON/EVENING WITH CHANCES INCREASING  
FURTHER THROUGH THE END OF THE WEEK.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
CWR.................10 PERCENT.  
CHANCE OF THUNDER...3 PERCENT.  
MAX TEMPERATURE.....AROUND 76.  
MIN HUMIDITY........50 PERCENT.  
DEWPOINT............54 INCREASING TO 56 IN THE AFTERNOON.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......4500 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 9 MPH.  
SMOKE DISPERSAL.....POOR (2700 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (33700 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............5.  
ADI.................7 EARLY IN THE MORNING INCREASING TO 49 IN THE  
AFTERNOON.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (KFT).......5.0 DECREASING TO 3.5 LATE IN THE MORNING, THEN  
DECREASING TO 2.0 LATE IN THE MORNING  
INCREASING TO 3.0 EARLY IN THE AFTERNOON  
DECREASING TO 2.5 DECREASING TO 2.0 EARLY IN  
THE AFTERNOON DECREASING TO 1.5 INCREASING TO  
2.0 LATE IN THE AFTERNOON.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........80 71 52 43 39 35 34 31 30 38  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 10 10 10 10  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0  
TEMP............52 54 59 63 66 71 73 75 76 76  
DEWPOINT........52 53 55 56 56 57 57 57 57 56  
RH..............97 94 86 78 70 60 56 54 51 51  
20 FT WIND DIR..N SE SE SE S S S S S S  
20 FT WIND SPD..0 1 1 1 1 2 2 2 2 1  
20 FT WIND GUST.6 6 7 7 8 9 9 9 9 9  
MIX HGT (KFT)...0.5 0.7 1.3 1.7 2.1 3.0 3.8 4.2 4.5 4.3  
TRANSP WIND DIR.SE SE S S S S S S S S  
TRANSP WIND SPD.7 7 9 8 8 9 9 9 8 7  
LVORI...........8 6 4 3 3 1 1 1 1 1  
ADI.............7 8 15 17 23 36 42 49 47 39  
VRATE KT-FT/1K..3 5 10 12 15 24 29 34 32 27  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR  
CEILING (KFT)...5.0 4.0 3.5 2.0 3.0 2.5 2.0 1.5 2.0 2.0  
   
MONDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).  
CWR.................10 PERCENT.  
CHANCE OF THUNDER...2 PERCENT.  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........100 PERCENT.  
DEWPOINT............56.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 6 TO 10 MPH.  
SMOKE DISPERSAL.....FAIR (21500 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (2100 KNOT-FT) LATE IN THE  
NIGHT.  
LVORI...............5.  
ADI.................3 TO 32.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (KFT).......2.5 DECREASING TO 2.0 LATE IN THE EVENING, THEN  
DECREASING TO 1.5 OVERNIGHT DECREASING TO 0.9  
OVERNIGHT DECREASING TO 0.5 DECREASING TO 0.4  
AFTER 3 AM INCREASING TO 0.5 INCREASING TO 0.6  
EARLY IN THE MORNING.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........30 26 23 21 25 29 35 41 47 48 49 50  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............10 10 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............76 74 69 65 63 62 61 60 59 58 58 58  
DEWPOINT........56 56 57 56 56 56 56 56 56 56 56 57  
RH..............50 53 65 72 78 82 86 88 90 93 95 97  
20 FT WIND DIR..N N N N N SE SE SE SE SE S S  
20 FT WIND SPD..0 0 0 0 0 1 1 1 1 1 1 1  
20 FT WIND GUST.7 7 5 5 6 7 8 9 9 9 9 8  
MIX HGT (KFT)...3.4 1.1 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.S S SE SE SE SE SE S S S S S  
TRANSP WIND SPD.7 7 6 6 6 6 7 8 9 9 10 10  
LVORI...........1 2 3 3 4 5 5 6 6 6 8 9  
ADI.............32 3 3 3 3 3 3 4 4 4 4 4  
VRATE KT-FT/1K..22 7 2 2 2 2 3 3 4 5 5 4  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
CEILING (KFT)...2.5 2.5 2.5 2.5 2.5 2.0 1.5 0.9 0.5 0.4 0.5 0.6  
   
TUESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE IN THE  
AFTERNOON.  
CWR.................10 PERCENT INCREASING TO 20 PERCENT LATE IN THE  
AFTERNOON.  
CHANCE OF THUNDER...23 PERCENT.  
MAX TEMPERATURE.....AROUND 83.  
MIN HUMIDITY........47 PERCENT.  
DEWPOINT............58 INCREASING TO 61 IN THE LATE MORNING AND  
AFTERNOON.  
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.  
MIXING HEIGHT.......5100 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 13 MPH.  
SMOKE DISPERSAL.....POOR (1800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (51000 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............5.  
ADI.................4 EARLY IN THE MORNING INCREASING TO 73 IN THE  
AFTERNOON.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (KFT).......0.6 INCREASING TO 0.7 EARLY IN THE MORNING.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........50 51 51 48 44 40 37 33 30 32 34 36  
WEATHER COV..... SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH  
CWR.............0 0 10 10 10 10 10 10 20 20 20 20  
CHC OF THDR (%).0 0 0 0 0 10 10 10 20 20 20 20  
TEMP............57 57 58 61 65 69 73 77 80 82 83 82  
DEWPOINT........57 57 58 60 62 63 63 63 62 61 61 60  
RH..............100 100 100 96 88 80 70 62 55 50 47 47  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..1 1 1 1 2 2 2 3 3 3 3 2  
20 FT WIND GUST.7 6 6 7 8 9 10 12 12 12 12 12  
MIX HGT (KFT)...0.4 0.3 0.4 1.0 1.8 2.6 3.4 4.1 4.6 5.0 5.1 4.7  
TRANSP WIND DIR.S S S S S S S SW SW SW S S  
TRANSP WIND SPD.9 8 7 8 9 10 12 12 13 12 12 10  
LVORI...........9 8 8 6 4 3 3 1 1 1 1 1  
ADI.............4 7 7 10 21 35 49 61 69 73 71 61  
VRATE KT-FT/1K..3 2 3 7 14 23 33 42 48 51 49 42  
VENTRATE CAT....PR PR PR PR PR PR PR FR FR FR FR FR  
CEILING (KFT)...0.6 0.7  
 
 
FORECASTER...SMITH  
REQUESTED BY...TIM KOLNIK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2608370.0/FFC  
.DELDT 03/29/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MICHAEL.HAISTEN@USDA.GOV,TIMOTHY.KOLNIK@USDA.GOV,STEPHANIE.ISRAEL@USDA.GOV  
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