423  
FNUS74 KJAN 251243  
FWSJAN  
 
SPOT FORECAST FOR SITE PREP 506F...USFS  
NATIONAL WEATHER SERVICE JACKSON MS  
743 AM CDT MON OCT 25 2021  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON OCTOBER 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
A COLD FRONT IS CURRENTLY APPROACHING MISSISSIPPI FROM THE EAST.  
THE FRONT SHOULD BEGIN TO SAG SOUTH THROUGH CENTRAL MS AS THE DAY  
PROGRESSES. A BROKEN LINE OF SHOWERS ACROSS THE NORTH ARE EXPECTED  
TO DISSIPATE BY MID- DAY. DRY WEATHER WILL PREVAIL AFTER MID-DAY  
THROUGH TOMORROW. HIGHS WILL BE IN THE 80S TODAY.  
   
REST OF TODAY
 
 
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......MCLDY MCLDY MCLDY PCLDY MCLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............67 75 80 83 83  
RH..............93 82 67 55 47  
20 FT WIND DIR..SW W W W NW  
20 FT WIND SPD..3 6 8 8 8  
20 FT WIND GUST.11 14 14 14 16  
MIX HGT (FT)....600 1600 3000 3900 3600  
MIX HGT (M).....180 490 910 1190 1100  
TRANSPORT WIND..SW 7 W 15 W 17 W 18 NW 17  
TRAN WIND (M/S).SW 3 W 7 W 8 W 8 NW 8  
   
TONIGHT
 
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............75 66 62 58 55 53  
RH..............55 70 72 77 83 80  
20 FT WIND DIR..NW N N N N N  
20 FT WIND SPD..6 5 5 5 3 3  
20 FT WIND GUST.14 12 13 12 12 10  
MIX HGT (FT)....1800 600 600 600 600 600  
MIX HGT (M).....550 180 180 180 180 180  
TRANSPORT WIND..NW 12 N 7 N 7 N 5 N 3 NE 5  
TRAN WIND (M/S).NW 5 N 3 N 3 N 2 N 1 NE 2  
   
TUESDAY
 
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY COVER.......CLEAR MCLEAR MCLEAR MCLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............52 58 69 73  
RH..............83 75 51 44  
20 FT WIND DIR..N NE NE NE  
20 FT WIND SPD..3 3 3 3  
20 FT WIND GUST.8 10 6 6  
MIX HGT (FT)....400 1200 2700 3400  
MIX HGT (M).....120 370 820 1040  
TRANSPORT WIND..NE 6 NE 6 NE 6 NE 6  
TRAN WIND (M/S).NE 3 NE 3 NE 3 NE 3  
 

 
FORECASTER...ELKINS  
REQUESTED BY...WILLIAM HUDSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2120001.0/JAN  
.DELDT 10/25/21  
.EMAIL WILLIAM.HUDSON@USDA.GOV  
 
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