771  
FNUS54 KOHX 160648  
FWFOHX  
 
FIRE WEATHER PLANNING FORECAST FOR MIDDLE TENNESSEE  
NATIONAL WEATHER SERVICE NASHVILLE TN  
148 AM CDT SAT OCT 16 2021  
   
DISCUSSION
 
EARLY MORNING SHOWERS ARE EXPECTED TO EXIT MIDDLE  
TENNESSEE BY SUNRISE AS A COLD FRONT LEAVES US WITH DRIER, COOLER AIR  
FOR THE NEXT SEVERAL DAYS. AFTERNOON RH VALUES WILL DROP QUITE LOW  
DURING THIS PROLONGED DRY SPELL, AND THIS MAY PRODUCE A MARGINAL  
FIRE DANGER ONCE EXISTING FUELS DRY OUT FOLLOWING LAST NIGHT'S RAIN.  
THE NEXT CHANCE OF SHOWERS DOESN'T COME AROUND UNTIL NEXT THURSDAY  
AT THE EARLIEST.  
 
TNZ005>008-023>028-059-062-162230-  
CHEATHAM-DAVIDSON-DICKSON-HOUSTON-HUMPHREYS-MONTGOMERY-ROBERTSON-  
RUTHERFORD-STEWART-SUMNER-WILLIAMSON-WILSON-  
INCLUDING THE CITIES OF ASHLAND CITY, BRENTWOOD, CLARKSVILLE,  
DICKSON, DOVER, ERIN, FRANKLIN, GALLATIN, GOODLETTSVILLE,  
HENDERSONVILLE, KINGSTON SPRINGS, LA VERGNE, LEBANON, MCEWEN,  
MOUNT JULIET, MURFREESBORO, NASHVILLE, NEW JOHNSONVILLE, SMYRNA,  
SPRINGFIELD, TENNESSEE RIDGE, AND WAVERLY  
148 AM CDT SAT OCT 16 2021  
 
TODAY TONIGHT SUN  
 
CLOUD COVER MCLEAR CLEAR CLEAR  
TEMP (24H TREND) 64 (-15) 41 (-13) 66  
RH % (24H TREND) 34 (-30) 85 (-14) 31  
AM 20FT WND (MPH) NW 7-11 LGT/VAR  
PM 20FT WND (MPH) NW 7-11 G16 NW 4-8 NW 4-8  
PRECIP CHANCE (%) 0 0 0  
PRECIP TYPE NONE NONE NONE  
PRECIP AMOUNT (IN) 0.00 0.00 0.00  
PRECIP DUR (HR)  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (M-MSL) 1900 1500  
MIXING HGT (FT-MSL) 6100 4800  
TRANSPORT WND (M/S) NW 11 NW 3  
TRANSPORT WND (MPH) NW 25 NW 6  
VENT RATE (M/S-M) 21855 8011  
CATEGORY DAY 5 2  
DISPERSION INDEX 79 4 15  
LAL 1 1 1  
HAINES INDEX 4 5 5  
MAXIMUM LVORI 6 8 9  
RH RECOVERY POOR  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SUNDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. WEST WINDS UP TO  
5 MPH.    
MONDAY
 
SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH 35 PERCENT.  
SOUTHWEST WINDS UP TO 5 MPH.    
MONDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS UP TO  
5 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH  
34 PERCENT. SOUTH WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S. MINIMUM RH 36 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS. LOWS IN  
THE MID 50S. HIGHS IN THE MID 70S. MINIMUM RH 44 PERCENT. SOUTHWEST  
WINDS UP TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER  
60S. MINIMUM RH 44 PERCENT. NORTHWEST WINDS UP TO 5 MPH.  
 

 
 
TNZ009>011-029>034-063>066-078-080-162230-  
CANNON-CLAY-CUMBERLAND-DE KALB-FENTRESS-JACKSON-MACON-OVERTON-  
PICKETT-PUTNAM-SMITH-TROUSDALE-VAN BUREN-WARREN-WHITE-  
INCLUDING THE CITIES OF ALLARDT, BYRDSTOWN, CARTHAGE, CELINA,  
COOKEVILLE, CROSSVILLE, GAINESBORO, GORDONSVILLE, HARTSVILLE,  
JAMESTOWN, LAFAYETTE, LIVINGSTON, MCMINNVILLE, SMITHVILLE,  
SOUTH CARTHAGE, SPARTA, SPENCER, AND WOODBURY  
148 AM CDT SAT OCT 16 2021  
 
TODAY TONIGHT SUN  
 
CLOUD COVER MCLEAR CLEAR CLEAR  
TEMP (24H TREND) 61 (-16) 40 (-14) 63  
RH % (24H TREND) 37 (-28) 86 (-14) 35  
AM 20FT WND (MPH) NW 8-12 NW 3-7  
PM 20FT WND (MPH) NW 7-11 NW 6-10 LGT/VAR  
PRECIP CHANCE (%) 20 0 0  
PRECIP TYPE NONE NONE NONE  
PRECIP AMOUNT (IN) 0.02 0.00 0.00  
PRECIP DUR (HR)  
PRECIP BEGIN 6 AM  
PRECIP END 7 AM  
MIXING HGT (M-MSL) 1700 1500  
MIXING HGT (FT-MSL) 5700 4800  
TRANSPORT WND (M/S) NW 11 NW 6  
TRANSPORT WND (MPH) NW 24 NW 13  
VENT RATE (M/S-M) 18767 10563  
CATEGORY DAY 5 4  
DISPERSION INDEX 77 7 30  
LAL 1 1 1  
HAINES INDEX 3 4 4  
MAXIMUM LVORI 5 8 9  
RH RECOVERY POOR  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SUNDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. NORTH WINDS UP TO  
5 MPH.    
MONDAY
 
SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH 37 PERCENT.  
NORTHWEST WINDS UP TO 5 MPH.    
MONDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS UP TO  
5 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS AROUND 70. MINIMUM RH 39 PERCENT.  
SOUTH WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE  
LOWER 70S. MINIMUM RH 42 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 50S. HIGHS IN THE LOWER 70S. MINIMUM RH 54 PERCENT.  
SOUTHWEST WINDS UP TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
60S. MINIMUM RH 49 PERCENT. NORTHWEST WINDS UP TO 5 MPH.  
 

 
 
TNZ056>058-060-061-075-076-092>096-162230-  
BEDFORD-GILES-HARDIN-HICKMAN-LAWRENCE-LEWIS-LINCOLN-MARSHALL-MAURY-  
MOORE-PERRY-WAYNE-  
INCLUDING THE CITIES OF CENTERVILLE, CLIFTON, COLUMBIA,  
FAYETTEVILLE, HOHENWALD, LAWRENCEBURG, LEWISBURG, LINDEN,  
LOBELVILLE, LYNCHBURG, OLIVE HILL, PICKWICK DAM, PULASKI, SAVANNAH,  
SHELBYVILLE, AND WAYNESBORO  
148 AM CDT SAT OCT 16 2021  
 
TODAY TONIGHT SUN  
 
CLOUD COVER MCLEAR CLEAR CLEAR  
TEMP (24H TREND) 65 (-14) 41 (-13) 66  
RH % (24H TREND) 33 (-31) 83 (-15) 32  
AM 20FT WND (MPH) NW 7-11 LGT/VAR  
PM 20FT WND (MPH) NW 7-11 NW 4-8 N 4-8  
PRECIP CHANCE (%) 0 0 0  
PRECIP TYPE NONE NONE NONE  
PRECIP AMOUNT (IN) 0.00 0.00 0.00  
PRECIP DUR (HR)  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (M-MSL) 1800 1400  
MIXING HGT (FT-MSL) 5800 4500  
TRANSPORT WND (M/S) NW 10 N 3  
TRANSPORT WND (MPH) NW 22 N 7  
VENT RATE (M/S-M) 19285 9554  
CATEGORY DAY 5 3  
DISPERSION INDEX 73 4 18  
LAL 1 1 1  
HAINES INDEX 4 5 5  
MAXIMUM LVORI 5 8 9  
RH RECOVERY POOR  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SUNDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. NORTH WINDS UP TO  
5 MPH.    
MONDAY
 
SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH 34 PERCENT.  
NORTHEAST WINDS UP TO 5 MPH.    
MONDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS UP TO  
5 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH  
38 PERCENT. SOUTH WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S. MINIMUM RH 44 PERCENT. SOUTH WINDS UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID  
70S. MINIMUM RH 51 PERCENT. SOUTHWEST WINDS UP TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE UPPER 60S.  
MINIMUM RH 49 PERCENT. NORTHWEST WINDS UP TO 5 MPH.  
 

 
 
TNZ077-079-097-162230-  
COFFEE-FRANKLIN-GRUNDY-  
INCLUDING THE CITIES OF ALTAMONT, COALMONT, COWAN, DECHERD,  
ESTILL SPRINGS, MANCHESTER, SEWANEE, TULLAHOMA, AND WINCHESTER  
148 AM CDT SAT OCT 16 2021  
 
TODAY TONIGHT SUN  
 
CLOUD COVER MCLEAR CLEAR CLEAR  
TEMP (24H TREND) 62 (-15) 39 (-14) 63  
RH % (24H TREND) 38 (-24) 88 (-12) 36  
AM 20FT WND (MPH) NW 9-13 N 4-8  
PM 20FT WND (MPH) NW 7-11 NW 7-11 N 3-7  
PRECIP CHANCE (%) 10 0 0  
PRECIP TYPE NONE NONE NONE  
PRECIP AMOUNT (IN) 0.01 0.00 0.00  
PRECIP DUR (HR)  
PRECIP BEGIN 6 AM  
PRECIP END 7 AM  
MIXING HGT (M-MSL) 1600 1200  
MIXING HGT (FT-MSL) 5100 4000  
TRANSPORT WND (M/S) NW 10 N 7  
TRANSPORT WND (MPH) NW 23 N 16  
VENT RATE (M/S-M) 16820 9137  
CATEGORY DAY 5 4  
DISPERSION INDEX 71 8 34  
LAL 1 1 1  
HAINES INDEX 3 3 4  
MAXIMUM LVORI 5 8 9  
RH RECOVERY MODERATE  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SUNDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. NORTH WINDS UP TO  
5 MPH.    
MONDAY
 
SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH 35 PERCENT.  
NORTH WINDS UP TO 5 MPH.    
MONDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. EAST WINDS UP TO 5 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH  
37 PERCENT. SOUTH WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE  
LOWER 70S. MINIMUM RH 41 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 50S. HIGHS IN THE LOWER 70S. MINIMUM RH 54 PERCENT.  
SOUTHWEST WINDS UP TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE UPPER 60S.  
MINIMUM RH 47 PERCENT. NORTHWEST WINDS UP TO 5 MPH.  
 

 
 
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