524  
FNUS54 KOHX 170855  
FWFOHX  
 
FIRE WEATHER PLANNING FORECAST FOR MIDDLE TENNESSEE  
NATIONAL WEATHER SERVICE NASHVILLE TN  
255 AM CST SUN DEC 17 2017  
   
DISCUSSION
 
 
WETTING RAINS WILL MOVE INTO MIDDLE TN TODAY AND WHILE IT WON'T BE  
ALL THAT MUCH RAIN (LIKELY NO MORE THAN HALF AN INCH ACROSS THE  
SOUTH, A TENTH TO THE NORTH), MORE RAINFALL IS EXPECTED TUESDAY AND  
FRIDAY THIS WEEK. TOTALS COULD BE NORTH OF 3 INCHES FOR THE WEEK FOR  
SOME AREAS OF THE MID-STATE. FOR THESE REASONS, NO FIRE WEATHER  
HAZARDS ARE EXPECTED FOR AT LEAST THE NEXT SEVERAL DAYS.  
 
TNZ501-172215-  
HIGHLAND RIM DISTRICT - NORTH-  
INCLUDING THE COUNTIES OF CHEATHAM, DAVIDSON, DICKSON, HOUSTON,  
HUMPHREYS, MONTGOMERY, ROBERTSON, RUTHERFORD, STEWART, SUMNER,  
WILLIAMSON, AND WILSON  
255 AM CST SUN DEC 17 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER CLOUDY MCLDY MCLDY  
TEMP (24H TREND) 48 (-4) 41 (+3) 57  
RH % (24H TREND) 68 (+26) 100 (+20) 64  
AM 20FT WND (MPH) S 4-8 S 3-7  
PM 20FT WND (MPH) S 4-8 LGT/VAR SW 4-8  
PRECIP CHANCE (%) 90 10 10  
PRECIP TYPE SHOWERS DRIZZLE DRIZZLE  
PRECIP AMOUNT (IN) 0.11 0.00 0.00  
PRECIP DUR (HR) 7 0 0  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 8 AM  
MIXING HGT (M-MSL) 500 700  
MIXING HGT (FT-MSL) 1600 2300  
TRANSPORT WND (M/S) S 4 SW 3  
TRANSPORT WND (MPH) S 9 SW 7  
DISPERSION INDEX 7 2 5  
LAL 1 1 1  
HAINES INDEX 2 4 4  
MAXIMUM LVORI 0 9 10  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS  
AROUND 5 MPH.    
TUESDAY
 
CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS. HIGHS AROUND  
60. MINIMUM RH 75 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS.  
LOWS IN THE LOWER 40S. NORTH WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS. HIGHS  
IN THE MID 50S. MINIMUM RH 52 PERCENT. NORTHEAST WINDS 5 TO 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. MINIMUM RH 58 PERCENT. SOUTH WINDS UP TO 10 MPH.    
FRIDAY
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S. HIGHS IN  
THE MID 50S. MINIMUM RH 67 PERCENT. SOUTH WINDS 5 TO 10 MPH. CHANCE  
OF SHOWERS 60 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. COLDER. LOWS IN THE  
MID 30S. HIGHS IN THE MID 40S. MINIMUM RH 62 PERCENT. NORTH WINDS  
5 TO 10 MPH. CHANCE OF SHOWERS 60 PERCENT.  
 

 
 
TNZ502-172215-  
HIGHLAND RIM DISTRICT - SOUTH-  
INCLUDING THE COUNTIES OF BEDFORD, GILES, HARDIN, HICKMAN, LAWRENCE,  
LEWIS, LINCOLN, MARSHALL, MAURY, MOORE, PERRY, AND WAYNE  
255 AM CST SUN DEC 17 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER CLOUDY CLOUDY MCLDY  
TEMP (24H TREND) 48 (-3) 41 (+5) 59  
RH % (24H TREND) 73 (+33) 100 (+15) 63  
AM 20FT WND (MPH) SE 4-8 LGT/VAR  
PM 20FT WND (MPH) S 6-10 LGT/VAR SW 3-7  
PRECIP CHANCE (%) 90 10 10  
PRECIP TYPE SHOWERS SHOWERS DRIZZLE  
PRECIP AMOUNT (IN) 0.26 0.00 0.00  
PRECIP DUR (HR) 7 1 0  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 8 AM  
MIXING HGT (M-MSL) 500 700  
MIXING HGT (FT-MSL) 1600 2200  
TRANSPORT WND (M/S) SE 5 SW 3  
TRANSPORT WND (MPH) SE 12 SW 6  
DISPERSION INDEX 5 1 4  
LAL 1 1 1  
HAINES INDEX 2 4 4  
MAXIMUM LVORI 0 4 4  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS.  
LOWS IN THE MID 40S. SOUTHWEST WINDS UP TO 5 MPH.    
TUESDAY
 
SHOWERS LIKELY. HIGHS IN THE LOWER 60S. MINIMUM RH  
80 PERCENT. SOUTHWEST WINDS UP TO 5 MPH. CHANCE OF SHOWERS  
70 PERCENT.    
TUESDAY NIGHT
 
SHOWERS. LOWS IN THE MID 40S. NORTH WINDS UP TO  
5 MPH. CHANCE OF SHOWERS 80 PERCENT.    
WEDNESDAY
 
SHOWERS LIKELY. HIGHS IN THE MID 50S. MINIMUM RH  
60 PERCENT. NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF SHOWERS  
60 PERCENT.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER  
50S. MINIMUM RH 62 PERCENT. SOUTH WINDS UP TO 10 MPH.    
FRIDAY
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S. HIGHS IN  
THE UPPER 50S. MINIMUM RH 68 PERCENT. SOUTH WINDS 5 TO 10 MPH.  
CHANCE OF SHOWERS 70 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER. LOWS IN THE  
MID 30S. HIGHS IN THE UPPER 40S. MINIMUM RH 62 PERCENT. NORTH WINDS  
5 TO 10 MPH. CHANCE OF SHOWERS 60 PERCENT.  
 

 
 
TNZ400-172215-  
CUMBERLAND DISTRICT - NORTH-  
INCLUDING THE COUNTIES OF CANNON, CLAY, CUMBERLAND, DEKALB,  
FENTRESS, JACKSON, MACON, OVERTON, PICKETT, PUTNAM, SMITH,  
TROUSDALE, WARREN, AND WHITE  
255 AM CST SUN DEC 17 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER CLOUDY CLOUDY MCLDY  
TEMP (24H TREND) 46 (-3) 40 (+6) 56  
RH % (24H TREND) 68 (+26) 100 (+21) 66  
AM 20FT WND (MPH) S 4-8 SW 4-8  
PM 20FT WND (MPH) S 6-10 S 4-8 SW 4-8  
PRECIP CHANCE (%) 80 20 10  
PRECIP TYPE SHOWERS SHOWERS DRIZZLE  
PRECIP AMOUNT (IN) 0.07 0.01 0.00  
PRECIP DUR (HR) 6 1 0  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 8 AM  
MIXING HGT (M-MSL) 400 700  
MIXING HGT (FT-MSL) 1300 2400  
TRANSPORT WND (M/S) SE 5 SW 3  
TRANSPORT WND (MPH) SE 12 SW 7  
DISPERSION INDEX 4 1 5  
LAL 1 1 1  
HAINES INDEX 2 4 4  
MAXIMUM LVORI 0 8 10  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS  
UP TO 5 MPH.    
TUESDAY
 
CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS. HIGHS AROUND  
60. MINIMUM RH 76 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS.  
LOWS IN THE LOWER 40S. NORTH WINDS UP TO 5 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS.  
HIGHS IN THE LOWER 50S. MINIMUM RH 57 PERCENT. NORTHEAST WINDS 5 TO  
10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER  
50S. MINIMUM RH 58 PERCENT. SOUTH WINDS UP TO 10 MPH.    
FRIDAY
 
CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS. LOWS IN THE  
MID 40S. HIGHS IN THE MID 50S. MINIMUM RH 69 PERCENT. SOUTH WINDS  
5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER  
30S. HIGHS IN THE MID 40S. MINIMUM RH 67 PERCENT. NORTH WINDS 5 TO  
10 MPH. CHANCE OF SHOWERS 60 PERCENT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TN Page Main Text Page