778  
FNUS72 KCAE 220923  
FWSCAE  
 
SPOT FORECAST FOR COMPARTMENT 123 BLOCK B...USDA FOREST SERVICE  
NATIONAL WEATHER SERVICE COLUMBIA SC  
423 AM EST SAT FEB 22 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EST ON FEBRUARY 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
DRY HIGH PRESSURE WILL REMAIN ACROSS THE BURN AREA THROUGH TONIGHT. THE  
MORNING INVERSION IS EXPECTED TO BREAK BETWEEN 10 AM AND 11 AM. WINDS  
WILL BE LIGHT AND VARIABLE THIS MORNING THEN BECOME SOUTH-SOUTHWEST 5 TO  
10 MPH WITH A FEW HIGHER GUSTS THIS AFTERNOON. THE MIXED LAYER WILL BE  
RELATIVELY DEEP WITH AFTERNOON HUMIDITY AROUND 29 PERCENT. THE EVENING  
INVERSION SET UP BETWEEN 6 PM AND 7 PM. DISPERSION TONIGHT IS EXPECTED  
TO BE FAIR IN THE EARLY EVENING THEN POOR. NIGHTTIME FOG IS NOT EXPECTED.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING MOSTLY  
SUNNY (35-45 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 53.  
MIN HUMIDITY........29 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH  
LATE IN THE AFTERNOON, THEN BECOMING LIGHT LATE  
IN THE AFTERNOON.  
MIXING HEIGHT.......5100 FT AGL.  
TRANSPORT WINDS.....EAST 2 TO 5 MPH SHIFTING TO THE SOUTHWEST 6 TO  
13 MPH IN THE LATE MORNING AND AFTERNOON.  
LVORI...............4.  
ADI.................2 EARLY IN THE MORNING INCREASING TO 75 IN THE  
AFTERNOON.  
 
TIME (EST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........9 11 19 27 42 52 45 31 24  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0  
TEMP............33 38 42 46 49 51 52 52 51  
RH..............65 53 45 39 32 30 29 31 32  
APARNT TMP (F)..33 38 42 46 48 51 52 52 51  
20 FT WIND DIR..SE S S S S S SW SW SW  
20 FT WIND DIR..140 160 180 190 200 200 210 210 210  
20 FT WIND SPD..1 2 2 2 3 3 5 5 3  
20 FT WIND GUST.3 5 6 7 8 8 9 9 7  
MIX HGT (KFT)...1.1 1.6 2.4 3.4 4.0 4.5 4.9 5.1 3.0  
TRANSP WIND DIR.SE S S SW SW SW SW SW SW  
TRANSP WIND DIR.140 180 190 210 210 210 210 210 210  
TRANSP WIND SPD.5 6 6 9 10 12 13 13 9  
LVORI...........3 2 2 1 1 1 1 1 1  
ADI.............7 12 17 38 50 61 72 75 34  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
CLEAR (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 28.  
MAX HUMIDITY........92 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 6 MPH SHIFTING TO THE WEST  
OVERNIGHT.  
LVORI...............4.  
ADI.................2 TO 3.  
 
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........50 39 16 8 5 3 2 1 2 4 5 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............48 45 40 38 36 34 33 32 31 29 28 28  
RH..............39 45 55 59 67 72 75 78 78 85 88 88  
APARNT TMP (F)..48 45 40 38 36 34 33 32 31 29 28 28  
20 FT WIND DIR..SW S SW SW SW SW SW W W W NW W  
20 FT WIND DIR..210 200 220 220 210 220 240 250 260 280 300 290  
20 FT WIND SPD..2 2 2 2 2 1 1 1 1 1 2 2  
20 FT WIND GUST.5 5 3 3 3 3 3 3 3 2 3 3  
MIX HGT (KFT)...0.7 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.SW SW SW SW SW SW W W W W W NW  
TRANSP WIND DIR.210 210 210 220 230 240 250 260 270 280 290 300  
TRANSP WIND SPD.6 5 5 5 5 6 6 6 5 5 6 6  
LVORI...........2 2 3 3 3 3 4 4 4 5 6 6  
ADI.............3 2 2 2 2 3 3 3 2 2 3 3  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 58.  
MIN HUMIDITY........32 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......4600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE NORTH 5  
TO 7 MPH IN THE LATE MORNING AND EARLY  
AFTERNOON, THEN SHIFTING TO THE WEST AROUND 3  
MPH LATE IN THE AFTERNOON.  
LVORI...............4.  
ADI.................4 TO 24.  
 
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........1 1 2 0 1 1 0 1 2 3 7 16  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............28 28 30 37 44 48 51 54 57 58 58 55  
RH..............88 92 85 70 55 46 41 36 33 32 32 37  
APARNT TMP (F)..28 28 30 37 44 48 51 54 57 58 58 55  
20 FT WIND DIR..NW NW NW N N N NW NW W W W W  
20 FT WIND DIR..300 310 320 340 000 350 330 300 280 270 260 250  
20 FT WIND SPD..2 1 1 1 1 1 1 1 1 1 1 1  
20 FT WIND GUST.3 2 2 2 2 2 2 2 2 3 3 3  
MIX HGT (KFT)...0.4 0.4 0.6 1.2 2.1 2.9 3.5 4.1 4.5 4.6 4.4 3.3  
TRANSP WIND DIR.NW NW NW N N N N NW W W W W  
TRANSP WIND DIR.300 320 330 000 000 000 340 320 290 270 260 250  
TRANSP WIND SPD.5 5 5 6 7 6 5 5 3 3 3 3  
LVORI...........5 6 5 3 2 2 2 2 2 2 2 2  
ADI.............5 4 4 9 18 21 21 24 19 20 19 15  
 

 
FORECASTER...PETROLITO  
REQUESTED BY...TODD BENNETT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2503477.0/CAE  
.DELDT 02/22/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JEFFERY.BENNETT@USDA.GOV  
 
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