831  
FNUS74 KMRX 241353  
FWSMRX  
 
SPOT FORECAST FOR BIRCH BRANCH...THE NATURE CONSERVANCY  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
953 AM EDT TUE MAR 24 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MARCH 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  
   
..VERY LOW RH TODAY, HOWEVER, WINDS WILL BE LIGHT  
 
A GRADUAL WARMING TREND WILL CONTINUE THROUGH THE WEEK. NEAR  
SEASONAL TEMPERATURES AND MOSTLY DRY CONDITIONS WILL OCCUR THROUGH  
THE MID WEEK. ABOVE NORMAL TEMPERATURES AND A RETURN OF LIGHT RAIN  
CHANCES ARE INCREASINGLY LIKELY LATE WEEK.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........21 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......4100 FT AGL.  
TRANSPORT WINDS.....EAST 6 TO 8 MPH SHIFTING TO THE SOUTH 5 TO 7  
MPH LATE IN THE AFTERNOON.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........32 43 27 13 1 3 2 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............39 45 49 53 57 58 58 60  
RH..............42 33 30 24 21 21 22 21  
20 FT WIND DIR..E E E E E SE SE S  
20 FT WIND SPD..2 2 3 4 4 4 4 4  
20 FT WIND GUST.8 8 8 7 8 8 10 10  
MIX HGT (KFT)...1.4 1.8 2.4 3.0 3.4 3.7 4.0 4.1  
TRANSP WIND DIR.E E E E SE S S S  
TRANSP WIND SPD.8 7 6 6 7 7 6 5  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (65-75 PERCENT).  
MIN TEMPERATURE.....AROUND 36.  
MAX HUMIDITY........57 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 12 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........11 12 38 45 49 60 59 59 62 75 84 78  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............58 54 51 46 44 42 41 41 40 39 38 38  
RH..............24 27 30 35 40 45 46 46 48 50 54 54  
20 FT WIND DIR..S SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..3 2 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.10 10 10 10 10 10 10 10 10 10 10 10  
MIX HGT (KFT)...3.5 2.1 0.6 0.6 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.S S S SE S S S S S S S S  
TRANSP WIND SPD.6 5 7 8 9 10 12 10 12 10 10 10  
   
WEDNESDAY  
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......4400 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 10 MPH SHIFTING TO THE SOUTHWEST 10  
TO 12 MPH LATE IN THE AFTERNOON.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........80 68 61 65 63 60 53 47 40 42 43 45  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............38 37 38 41 47 53 58 61 63 64 65 64  
RH..............54 56 57 53 45 41 37 35 34 34 34 35  
20 FT WIND DIR..SE SE SE SE S S S SW SW SW SW SW  
20 FT WIND SPD..2 2 2 2 2 2 3 4 5 5 5 5  
20 FT WIND GUST.8 8 8 8 8 8 10 10 10 11 11 11  
MIX HGT (KFT)...0.3 0.3 0.3 0.8 1.3 1.9 2.7 3.6 4.2 4.4 4.3 3.8  
TRANSP WIND DIR.S S S S S SW SW SW SW SW SW SW  
TRANSP WIND SPD.10 9 9 8 7 7 7 7 8 9 10 12  
 
 
FORECASTER...DAVID HOTZ  
REQUESTED BY...MICHAEL VASQUEZ  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2607576.0/MRX  
.DELDT 03/24/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MICHAEL.VASQUEZ@TNC.ORG  
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