525  
FNUS74 KSHV 221807  
FWSSHV  
 
SPOT FORECAST FOR WINN SITE PREP...USFS  
NATIONAL WEATHER SERVICE SHREVEPORT LA  
107 PM CDT WED OCT 22 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON OCTOBER 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (318) 631-3669 EXT. 241, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
GOOD AFTERNOON, THURSDAY IS LOOKING TO BE A PLEASANT DAY.  
TEMPERATURES WILL BE RIGHT AROUND THE MID 50S BY IGNITION TIME  
BEFORE REACHING A HIGH OF AROUND 80 DEGREES BY THE AFTERNOON.  
WINDS WILL BE OUT OF THE SOUTHEAST AROUND 2-3 MPH TRANSITIONING TO  
MORE OF AN EASTERLY WIND BY THE MID-AFTERNOON HOURS. EVEN WITH THE  
SHIFT, SUSTAINED WINDS WILL REMAIN AROUND 2-3 MPH AND GUSTS WILL  
BE AROUND 6-8 MPH WITH SOME MOMENTS AROUND 10 MPH. WE WILL SEE  
SOME INCREASING CLOUD COVER AS WE HEAD INTO THE AFTERNOON AND RH  
VALUES WILL REACH A MINIMUM IN THE LOWER 30 PERCENT RANGE BY  
TOMORROW AFTERNOON. HYSPLIT REQUEST WILL BE EMAILED SHORTLY.  
   
THURSDAY
 
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........12 13 18 37 30 29 34 41 33  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0  
TEMP............54 64 70 74 77 78 79 80 78  
RH..............74 54 44 38 35 32 32 33 35  
20 FT WIND DIR..SE SE SE SE SE SE E E E  
20 FT WIND MPH..2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.6 7 7 7 7 7 7 7 8  
MIX HGT (KFT)...0.3 0.9 1.7 3.0 4.0 4.4 4.8 4.8 3.1  
MIX HGT (KM)....0.1 0.3 0.5 0.9 1.2 1.3 1.5 1.5 0.9  
TRANSP WIND DIR.SE SE SE S S E E E E  
TRANSP WIND SPD.6 8 7 5 5 3 3 3 3  
TRANS WIND DIR..SE SE SE S S E E E E  
TRANS SPD (M/S).3 4 3 2 2 1 1 1 1  
DISPERSION IDX..6 9 15 17 22 18 19 19 13  
LVORI...........3 2 2 2 2 2 2 2 2  
   
THURSDAY NIGHT
 
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........22 28 15 14 13 14 15 16 20 23 26 29  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............74 70 63 61 59 57 56 54 54 53 52 51  
RH..............41 49 62 67 69 72 74 77 77 80 83 86  
20 FT WIND DIR..E E E E E E SE SE SE SE SE SE  
20 FT WIND MPH..2 2 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.8 8 8 8 8 8 8 8 8 8 8 8  
MIX HGT (KFT)...0.8 0.3 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.3  
MIX HGT (KM)....0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.E E E E E E SE SE SE SE SE SE  
TRANSP WIND SPD.6 6 6 6 7 7 8 8 8 9 9 9  
TRANS WIND DIR..E E E E E E SE SE SE SE SE SE  
TRANS SPD (M/S).3 3 3 3 3 3 4 4 4 4 4 4  
DISPERSION IDX..6 3 3 3 3 3 4 4 4 4 4 4  
LVORI...........2 2 3 3 3 3 3 3 4 4 5 5  
   
FRIDAY
 
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........31 33 32 30 29 30 32 34 37 40 43 49  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............51 50 55 60 64 69 73 77 78 79 80 78  
RH..............86 93 83 75 70 59 51 43 42 39 38 40  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND MPH..2 2 3 3 5 5 6 6 6 6 6 6  
20 FT WIND GUST.9 9 10 10 12 12 13 13 14 15 15 15  
MIX HGT (KFT)...0.3 0.4 0.6 1.0 1.5 2.4 3.4 4.2 4.9 5.1 4.8 3.5  
MIX HGT (KM)....0.1 0.1 0.2 0.3 0.5 0.7 1.0 1.3 1.5 1.6 1.5 1.1  
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.8 8 8 9 9 9 10 10 10 10 10 10  
TRANS WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
TRANS SPD (M/S).4 4 4 4 4 4 4 4 4 4 4 4  
DISPERSION IDX..4 8 8 12 18 28 43 52 58 61 58 44  
LVORI...........6 5 4 4 3 2 1 1 1 1 1 1  
 

 
FORECASTER...THORNE  
REQUESTED BY...CHARLES DAVIS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2523938.1/SHV  
.DELDT 10/22/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CHARLES.G.DAVIS@USDA.GOV  
 
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