263  
FNUS54 KOHX 250950  
FWFOHX  
 
FIRE WEATHER PLANNING FORECAST FOR MIDDLE TENNESSEE  
NATIONAL WEATHER SERVICE NASHVILLE TN  
450 AM CDT SAT MAR 25 2017  
   
DISCUSSION
 
 
WINDS WILL GUST 20 TO 25 KNOTS OUT OF THE SOUTH TODAY. STRONG AND  
ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE MAINLY WEST OF I-65 THIS  
AFTERNOON AND EARLY EVENING. SHOWERS WILL CONTINUE FOR MOST OF MIDDLE  
TENNESSEE OVERNIGHT TONIGHT AND PRECIP WILL BE SLOW TO MOVE OFF THE  
CUMBERLAND PLATEAU ON SUNDAY. THE NEXT ROUND OF SHOWERS AND  
THUNDERSTORMS WILL MOVE INTO THE AREA ON MONDAY. NO FIRE WEATHER  
CONCERNS.  
 
TNZ501-252230-  
HIGHLAND RIM DISTRICT - NORTH-  
INCLUDING THE COUNTIES OF CHEATHAM, DAVIDSON, DICKSON, HOUSTON,  
HUMPHREYS, MONTGOMERY, ROBERTSON, RUTHERFORD, STEWART, SUMNER,  
WILLIAMSON, AND WILSON  
450 AM CDT SAT MAR 25 2017  
 
TODAY TONIGHT SUN  
 
CLOUD COVER MCLDY MCLDY MCLDY  
TEMP (24H TREND) 73 (-1) 57 (-3) 73  
RH % (24H TREND) 56 (+3) 91 (+21) 52  
AM 20FT WND (MPH) S 12-16 G23 S 7-11  
PM 20FT WND (MPH) S 12-16 G23 S 10-14 SW 8-12  
PRECIP CHANCE (%) 80 80 30  
PRECIP TYPE TSTMS TSTMS TSTMS  
PRECIP AMOUNT (IN) 0.25 0.37 0.06  
PRECIP DUR (HR) 6 8 2  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 6 PM  
MIXING HGT (M-MSL) 2200 2100  
MIXING HGT (FT-MSL) 7100 6700  
TRANSPORT WND (M/S) S 10 SW 10  
TRANSPORT WND (MPH) S 23 SW 22  
DISPERSION INDEX 76 26 71  
LAL 5 5 3  
HAINES INDEX 2 2 2  
MAXIMUM LVORI 0 0 0  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTH WINDS UP  
TO 5 MPH.    
MONDAY
 
SHOWERS AND THUNDERSTORMS LIKELY. HIGHS IN THE MID 70S.  
MINIMUM RH 57 PERCENT. SOUTH WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 70 PERCENT.    
MONDAY NIGHT
 
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 70 PERCENT.    
TUESDAY
 
PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 70. MINIMUM RH 62 PERCENT. WEST WINDS UP  
TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. MINIMUM  
RH 54 PERCENT. EAST WINDS UP TO 5 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. MINIMUM  
RH 56 PERCENT. SOUTH WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S. MINIMUM  
RH 57 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.  
 

 
 
TNZ502-252230-  
HIGHLAND RIM DISTRICT - SOUTH-  
INCLUDING THE COUNTIES OF BEDFORD, GILES, HARDIN, HICKMAN, LAWRENCE,  
LEWIS, LINCOLN, MARSHALL, MAURY, MOORE, PERRY, AND WAYNE  
450 AM CDT SAT MAR 25 2017  
 
TODAY TONIGHT SUN  
 
CLOUD COVER MCLDY MCLDY MCLDY  
TEMP (24H TREND) 73 (-2) 58 (-3) 74  
RH % (24H TREND) 57 (+3) 88 (+16) 52  
AM 20FT WND (MPH) S 12-16 G23 S 6-10  
PM 20FT WND (MPH) S 12-16 G23 S 10-14 SW 7-11  
PRECIP CHANCE (%) 80 80 30  
PRECIP TYPE TSTMS TSTMS TSTMS  
PRECIP AMOUNT (IN) 0.46 0.42 0.07  
PRECIP DUR (HR) 6 8 2  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 6 PM  
MIXING HGT (M-MSL) 1900 2000  
MIXING HGT (FT-MSL) 6200 6700  
TRANSPORT WND (M/S) S 11 SW 10  
TRANSPORT WND (MPH) S 25 SW 23  
DISPERSION INDEX 72 28 77  
LAL 5 5 3  
HAINES INDEX 2 2 2  
MAXIMUM LVORI 0 0 0  
RH RECOVERY MODERATE  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTH WINDS UP  
TO 5 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 70S. MINIMUM RH 56 PERCENT. SOUTH  
WINDS 5 TO 10 MPH.    
MONDAY NIGHT
 
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 70 PERCENT.    
TUESDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 70S. MINIMUM RH 62 PERCENT. WEST  
WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID  
70S. MINIMUM RH 51 PERCENT. EAST WINDS UP TO 5 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. MINIMUM RH  
57 PERCENT. SOUTH WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S. MINIMUM  
RH 58 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.  
 

 
 
TNZ400-252230-  
CUMBERLAND DISTRICT - NORTH-  
INCLUDING THE COUNTIES OF CANNON, CLAY, CUMBERLAND, DEKALB,  
FENTRESS, JACKSON, MACON, OVERTON, PICKETT, PUTNAM, SMITH,  
TROUSDALE, WARREN, AND WHITE  
450 AM CDT SAT MAR 25 2017  
 
TODAY TONIGHT SUN  
 
CLOUD COVER MCLDY MCLDY MCLDY  
TEMP (24H TREND) 74 (+2) 56 (-1) 71  
RH % (24H TREND) 49 (-4) 92 (+25) 57  
AM 20FT WND (MPH) S 11-15 G21 S 9-13  
PM 20FT WND (MPH) S 11-15 G21 S 9-13 SW 10-14  
PRECIP CHANCE (%) 40 80 60  
PRECIP TYPE TSTMS TSTMS TSTMS  
PRECIP AMOUNT (IN) 0.10 0.83 0.17  
PRECIP DUR (HR) 1 11 7  
PRECIP BEGIN 1 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT (M-MSL) 2000 2100  
MIXING HGT (FT-MSL) 6600 6800  
TRANSPORT WND (M/S) S 11 SW 11  
TRANSPORT WND (MPH) S 25 SW 25  
DISPERSION INDEX 72 29 54  
LAL 4 5 3  
HAINES INDEX 2 2 2  
MAXIMUM LVORI 0 0 0  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.  
LOWS IN THE MID 50S. SOUTH WINDS UP TO 5 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 70S. MINIMUM RH 56 PERCENT. SOUTH  
WINDS 5 TO 10 MPH.    
MONDAY NIGHT
 
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 70 PERCENT.    
TUESDAY
 
PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 70. MINIMUM RH 62 PERCENT. SOUTHWEST  
WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. MINIMUM  
RH 53 PERCENT. EAST WINDS UP TO 5 MPH.    
THURSDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. MINIMUM RH  
51 PERCENT. SOUTH WINDS UP TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 60S. MINIMUM RH  
55 PERCENT. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
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