321  
FNUS54 KOHX 130858  
FWFOHX  
 
FIRE WEATHER PLANNING FORECAST FOR MIDDLE TENNESSEE  
NATIONAL WEATHER SERVICE NASHVILLE TN  
358 AM CDT THU AUG 13 2020  
   
DISCUSSION
 
 
UPPER SHORTWAVE WILL REMAIN IN PLACE THROUGH SATURDAY WITH UNSETTLED  
WEATHER CONTINUING. THUS, LOOK FOR SHOWERS AND THUNDERSTORMS EACH  
DAY. IN THE EXTENDED PERIOD, THE SHORTWAVE WILL PULL OFF TO THE EAST  
AND BRING DRIER AND LESS ACTIVE WEATHER TO THE REGION. IT WILL TURN  
LESS HUMID NEXT WEEK.  
 
TNZ005>008-023>028-059-062-141200-  
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  
358 AM CDT THU AUG 13 2020  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY MCLDY MCLDY  
TEMP (24H TREND) 88 (0) 71 (0) 84  
RH % (24H TREND) 64 (-1) 96 (-3) 71  
AM 20FT WND (MPH) LGT/VAR LGT/VAR  
PM 20FT WND (MPH) NE 3-7 LGT/VAR NE 3-7  
PRECIP CHANCE (%) 50 50 70  
PRECIP TYPE TSTMS TSTMS TSTMS  
PRECIP AMOUNT (IN) 0.26 0.30 0.42  
PRECIP DUR (HR) 2 2 5  
PRECIP BEGIN 9 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT (M-MSL) 1600 2300  
MIXING HGT (FT-MSL) 5400 7500  
TRANSPORT WND (M/S) NE 2 E 3  
TRANSPORT WND (MPH) NE 3 E 6  
VENT RATE (M/S-M) 3211 7226  
CATEGORY DAY 2 3  
DISPERSION INDEX 8 3 11  
LAL 4 3 5  
HAINES INDEX 3 3 3  
MAXIMUM LVORI 10 9 10  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. NORTH WINDS UP TO 5 MPH.    
SATURDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 60 PERCENT. NORTH  
WINDS UP TO 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. NORTHWEST WINDS UP TO  
5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 62 PERCENT.  
NORTHWEST WINDS UP TO 5 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.  
MINIMUM RH 54 PERCENT. NORTH WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.  
MINIMUM RH 55 PERCENT. NORTH WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
80S. MINIMUM RH 52 PERCENT. NORTH WINDS UP TO 5 MPH.  
 

 
 
TNZ009>011-029>034-063>066-078-080-141200-  
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  
358 AM CDT THU AUG 13 2020  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY MCLDY MCLDY  
TEMP (24H TREND) 87 (-1) 71 (+1) 83  
RH % (24H TREND) 60 (+1) 91 (-7) 69  
AM 20FT WND (MPH) LGT/VAR LGT/VAR  
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP CHANCE (%) 50 50 80  
PRECIP TYPE TSTMS TSTMS TSTMS  
PRECIP AMOUNT (IN) 0.23 0.29 0.45  
PRECIP DUR (HR) 1 2 6  
PRECIP BEGIN 10 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT (M-MSL) 2100 1500  
MIXING HGT (FT-MSL) 7000 5100  
TRANSPORT WND (M/S) N 2 E 2  
TRANSPORT WND (MPH) N 5 E 5  
VENT RATE (M/S-M) 4925 3488  
CATEGORY DAY 3 2  
DISPERSION INDEX 9 2 9  
LAL 3 3 5  
HAINES INDEX 3 3 3  
MAXIMUM LVORI 10 9 9  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHEAST WINDS UP TO  
5 MPH.    
SATURDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 64 PERCENT.  
NORTHWEST WINDS UP TO 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. NORTHWEST WINDS UP TO  
5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 63 PERCENT.  
NORTHWEST WINDS UP TO 5 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER  
80S. MINIMUM RH 54 PERCENT. NORTH WINDS UP TO 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER  
80S. MINIMUM RH 53 PERCENT. NORTH WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE LOWER 80S. MINIMUM RH  
53 PERCENT. NORTH WINDS UP TO 5 MPH.  
 

 
 
TNZ056>058-060-061-075-076-092>096-141200-  
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  
358 AM CDT THU AUG 13 2020  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY MCLDY MCLDY  
TEMP (24H TREND) 89 (-1) 71 (0) 86  
RH % (24H TREND) 58 (-2) 93 (-6) 66  
AM 20FT WND (MPH) LGT/VAR LGT/VAR  
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP CHANCE (%) 50 50 70  
PRECIP TYPE TSTMS TSTMS TSTMS  
PRECIP AMOUNT (IN) 0.26 0.28 0.35  
PRECIP DUR (HR) 3 2 5  
PRECIP BEGIN 9 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT (M-MSL) 1900 1800  
MIXING HGT (FT-MSL) 6200 6000  
TRANSPORT WND (M/S) SW 2 SW 3  
TRANSPORT WND (MPH) SW 3 SW 7  
VENT RATE (M/S-M) 4103 9476  
CATEGORY DAY 2 3  
DISPERSION INDEX 10 4 13  
LAL 4 3 5  
HAINES INDEX 4 3 3  
MAXIMUM LVORI 10 8 9  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS AROUND 70. NORTHWEST WINDS UP TO 5 MPH.    
SATURDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 57 PERCENT.  
NORTHWEST WINDS UP TO 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. NORTHWEST WINDS UP TO  
5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 60 PERCENT.  
NORTHWEST WINDS UP TO 5 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER  
80S. MINIMUM RH 52 PERCENT. NORTH WINDS UP TO 5 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.  
MINIMUM RH 52 PERCENT. NORTH WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
80S. MINIMUM RH 50 PERCENT. NORTH WINDS UP TO 5 MPH.  
 

 
 
TNZ077-079-097-141200-  
COFFEE-FRANKLIN-GRUNDY-  
INCLUDING THE CITIES OF ALTAMONT, COALMONT, COWAN, DECHERD,  
ESTILL SPRINGS, MANCHESTER, SEWANEE, TULLAHOMA, AND WINCHESTER  
358 AM CDT THU AUG 13 2020  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLDY MCLDY  
TEMP (24H TREND) 87 (-1) 72 (+3) 84  
RH % (24H TREND) 59 (+1) 87 (-9) 67  
AM 20FT WND (MPH) LGT/VAR LGT/VAR  
PM 20FT WND (MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP CHANCE (%) 50 50 80  
PRECIP TYPE TSTMS TSTMS TSTMS  
PRECIP AMOUNT (IN) 0.27 0.26 0.54  
PRECIP DUR (HR) 1 2 6  
PRECIP BEGIN 10 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT (M-MSL) 1800 1600  
MIXING HGT (FT-MSL) 5900 5400  
TRANSPORT WND (M/S) SW 2 SE 5  
TRANSPORT WND (MPH) SW 3 SE 10  
VENT RATE (M/S-M) 3706 9621  
CATEGORY DAY 2 3  
DISPERSION INDEX 9 3 15  
LAL 3 3 5  
HAINES INDEX 3 4 3  
MAXIMUM LVORI 10 7 7  
RH RECOVERY MODERATE  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. PATCHY FOG. LOWS IN THE LOWER 70S. SOUTH WINDS UP  
TO 5 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 63 PERCENT.  
NORTHWEST WINDS UP TO 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. NORTHWEST WINDS UP TO  
5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 60 PERCENT.  
NORTHWEST WINDS UP TO 5 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.  
MINIMUM RH 54 PERCENT. NORTH WINDS UP TO 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
80S. MINIMUM RH 51 PERCENT. NORTH WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S. MINIMUM  
RH 52 PERCENT. NORTH WINDS UP TO 5 MPH.  
 

 
 
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