309  
FNUS74 KMRX 171418  
FWSMRX  
 
SPOT FORECAST FOR CNF LOW COMPLEXITY STUMP PILE...USFS  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
918 AM EST WED DEC 17 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON DECEMBER 17.  
 
IF CONDITIONS BECOME UNREPRESENTATIVE,CONTACT THE NATIONAL WEATHER  
SERVICE...AT 1-800-697-0075. IF POSSIBLE, PLEASE PROVIDE FEEDBACK  
FOR EVERY SPOT FORECAST REQUEST.  
   
DISCUSSION
 
 
DRY CONDITIONS WITH A GRADUAL WARMING TREND WILL CONTINUE TODAY.  
BY THURSDAY, TEMPERATURES WILL BE ABOVE NORMAL AND RAIN CHANCES  
WILL INCREASE AREA-WIDE. WINDS WILL ALSO BECOME BREEZY THURSDAY  
AFTERNOON, AND GUSTS OF 30 TO 40 MPH ARE EXPECTED IN THE BURN  
AREA.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).  
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........35 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......1600 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH SHIFTING TO THE WEST  
LATE IN THE MORNING, THEN SHIFTING TO THE SOUTH  
5 TO 6 MPH IN THE AFTERNOON.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM  
SKY (%).........78 68 56 63 60 72 84 73 70 62  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............40 45 50 52 53 54 53 52 48 45  
RH..............44 40 36 35 35 36 38 41 47 53  
20 FT WIND DIR..SE S SW W W S S S E E  
20 FT WIND SPD..2 2 2 2 2 2 2 2 1 1  
20 FT WIND GUST.5 6 6 5 6 6 5 5 4 4  
MIX HGT (KFT)...0.3 0.9 1.3 1.6 1.6 1.2 0.7 0.3 0.2 0.2  
TRANSP WIND DIR.S SW W W W S S SE S S  
TRANSP WIND SPD.7 7 7 7 7 6 6 6 5 5  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN  
SHOWERS EARLY IN THE MORNING.  
MIN TEMPERATURE.....AROUND 37.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH  
OVERNIGHT.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 6 TO 12 MPH.  
RAINFALL AMOUNT.....0.01 INCHES.  
 
TIME (EST) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM  
SKY (%).........62 57 56 59 56 66 65 84 87 85 86 92  
WEATHER COV..... CHC  
WEATHER TYPE.... RW  
TSTM COV........  
TEMP............43 41 40 40 39 39 39 38 40 41 41 43  
RH..............57 62 67 67 73 73 76 85 89 93 96 96  
20 FT WIND DIR..E SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..2 2 2 2 3 3 4 4 5 5 5 5  
20 FT WIND GUST.4 4 5 6 6 6 6 7 7 10 10 10  
MIX HGT (KFT)...0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.SE S SE SE S S SE SE SE SE S S  
TRANSP WIND SPD.6 7 8 8 10 10 12 12 12 12 10 12  
   
THURSDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN SHOWERS  
IN THE MORNING, THEN RAIN SHOWERS LATE IN THE  
MORNING.  
MAX TEMPERATURE.....AROUND 57.  
MIN HUMIDITY........77 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 10 MPH. GUSTS UP TO 25 MPH  
IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......1800 FT AGL.  
TRANSPORT WINDS.....SOUTH 12 TO 21 MPH INCREASING TO 18 TO 22 MPH  
IN THE AFTERNOON.  
RAINFALL AMOUNT.....0.32 INCHES.  
 
TIME (EST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM  
SKY (%).........96 92 88 88 88 88 89 90 91 90 88 87  
WEATHER COV.....CHC CHC CHC CHC CHC DEF DEF DEF DEF DEF DEF DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............44 46 49 51 54 55 56 57 57 56 56 55  
RH..............100 100 96 93 86 83 80 77 77 83 83 90  
20 FT WIND DIR..SE SE SE SE S S S S S S S S  
20 FT WIND SPD..6 6 6 6 7 8 8 10 12 12 12 15  
20 FT WIND GUST.12 13 14 14 16 17 18 20 22 24 26 30  
MIX HGT (KFT)...0.4 0.7 1.0 1.3 1.5 1.7 1.8 1.8 1.7 1.4 1.0 0.7  
TRANSP WIND DIR.SE S S S S S S S S S S S  
TRANSP WIND SPD.12 14 16 17 18 20 21 22 22 22 25 28  
 

 
FORECASTER...DOUG SCHNEIDER  
REQUESTED BY...CHRISTOPHER MCTAGGART  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2527872.0/MRX  
.DELDT 12/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CHRISTOPHER.MCTAGGART@USDA.GOV,ROBERT.CULP@USDA.GOV  
 
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