550  
FNUS74 KMRX 241428  
FWSMRX  
 
SPOT FORECAST FOR TN_CNF_NZ_JONES RIDGE RX...USFS  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
1028 AM EDT FRI OCT 24 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1600 EDT ON OCTOBER 24.  
 
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
 
 
MORNING INVERSION SHOULD BREAK BY 11AM TO NOON, WITH MIXING HEIGHTS  
RISING ABOVE 4,500 FT AGL BY ROUGHLY 1PM EDT. COULD SEE A FEW CLOUDS  
DEVELOP AROUND THE 4,500 FT RANGE THIS AFTERNOON BUT OVERALL SKY  
CONDITIONS WILL BE LARGELY CLOUD FREE. WINDS ARE STILL EXPECTED TO BE  
LIGHT, WITH EVEN GUSTS LESS THAN 10 MPH, DUE TO HIGH PRESSURE ACROSS  
THE REGION.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 57.  
MIN HUMIDITY........33 PERCENT.  
WIND (20 FT)........WEST WINDS AROUND 5 MPH EARLY IN THE AFTERNOON  
BECOMING LIGHT.  
MIXING HEIGHT.......4900 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 7 TO 12 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 4PM 5PM 6PM 7PM  
SKY (%).........5 2 5 7  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............57 57 55 52  
RH..............33 33 35 41  
20 FT WIND DIR..W W NW NW  
20 FT WIND SPD..5 5 4 2  
20 FT WIND GUST.7 7 6 6  
MIX HGT (KFT)...4.9 4.5 1.5 0.8  
TRANSP WIND DIR.NW NW W W  
TRANSP WIND SPD.12 10 8 7  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
MIN TEMPERATURE.....AROUND 36.  
MAX HUMIDITY........75 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......800 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE EAST 5  
TO 6 MPH IN THE LATE EVENING AND OVERNIGHT.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM  
SKY (%).........10 7 13 19 23 22 20 15 15 24 35 37  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............49 45 43 42 40 39 38 38 37 37 36 36  
RH..............46 53 60 62 67 70 73 73 75 75 75 72  
20 FT WIND DIR..E E E E E E E E E E E E  
20 FT WIND SPD..2 1 1 1 1 1 2 2 2 2 2 3  
20 FT WIND GUST.4 4 2 2 2 4 4 4 4 5 5 5  
MIX HGT (KFT)...0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8  
TRANSP WIND DIR.NW N NE NE E E E E E E E E  
TRANSP WIND SPD.5 5 5 5 5 5 5 5 6 6 6 6  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).  
MAX TEMPERATURE.....AROUND 63.  
MIN HUMIDITY........29 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......3700 FT AGL.  
TRANSPORT WINDS.....EAST 3 TO 6 MPH SHIFTING TO THE SOUTH AROUND 3  
MPH LATE IN THE MORNING, THEN SHIFTING TO THE  
WEST 3 TO 5 MPH LATE IN THE MORNING SHIFTING TO  
THE NORTHWEST AROUND 3 MPH LATE IN THE  
AFTERNOON SHIFTING TO THE NORTHEAST.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM  
SKY (%).........33 42 41 40 41 41 42 43 44 45 49 53  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............36 39 45 52 56 59 61 63 63 63 61 58  
RH..............72 70 58 48 40 34 31 29 29 29 32 36  
20 FT WIND DIR..E E E E NE NW W W NW NW N NE  
20 FT WIND SPD..3 2 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.6 5 4 4 4 4 4 4 4 4 4 5  
MIX HGT (KFT)...0.7 0.9 1.4 2.0 2.7 3.3 3.7 3.7 3.5 3.0 2.2 1.4  
TRANSP WIND DIR.E E E SE S SW W W W W NW NE  
TRANSP WIND SPD.6 5 3 3 3 5 5 5 3 3 3 3  
 

 
FORECASTER...CHARLES DALTON  
REQUESTED BY...CHRIS WILSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2524237.3/MRX  
.DELDT 10/24/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CHRISTOPHER.WILSON@USDA.GOV  
 
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