612  
FNUS54 KOHX 231854  
FWFOHX  
 
FIRE WEATHER PLANNING FORECAST FOR MIDDLE TENNESSEE  
NATIONAL WEATHER SERVICE NASHVILLE TN  
154 PM CDT SAT MAR 23 2019  
   
DISCUSSION
 
 
   
..MARGINAL FIRE WEATHER DANGER CONTINUES THIS AFTERNOON
 
 
MARGINAL FIRE DANGER CONDITIONS DUE TO MIN RH VALUES FALLING BELOW  
20 PERCENT DUE TO DEWPOINTS IN THE LOW TO MID TEENS IN SOME AREAS  
EAST OF I-65, ESPECIALLY ON THE PLATEAU. WINDS ARE LIGHT AND  
VARIABLE, AND WILL REMAIN SO OVERNIGHT. RH VALUES SHOULD RECOVER THIS  
EVENING AS TEMPERATURES FALL. WITH RAIN CHANCES MOVING IN SUNDAY,  
MIN RH VALUES SHOULD BE ABOVE 50 PERCENT DURING THE AFTERNOON AS  
ADDITIONAL MOISTURE MOVES INTO THE AREA.  
 
TNZ501-241015-  
HIGHLAND RIM DISTRICT - NORTH-  
INCLUDING THE COUNTIES OF CHEATHAM, DAVIDSON, DICKSON, HOUSTON,  
HUMPHREYS, MONTGOMERY, ROBERTSON, RUTHERFORD, STEWART, SUMNER,  
WILLIAMSON, AND WILSON  
154 PM CDT SAT MAR 23 2019  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
TEMP (24H TREND) 43 (+10) 65 (+3) 51 62  
RH % (24H TREND) 65 (-16) 55 (+31) 89 70  
AM 20FT WND (MPH) S 6-10 W 5-9  
PM 20FT WND (MPH) LGT/VAR SW 9-13 S 6-10 NW 10-14  
PRECIP CHANCE (%) 10 40 80 70  
PRECIP TYPE NONE SHOWERS TSTMS SHOWERS  
PRECIP AMOUNT (IN) 0.00 0.05 0.18 0.10  
PRECIP DUR (HR) 0 2 6 3  
PRECIP BEGIN 7 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT (M-MSL) 1800 1600  
MIXING HGT (FT-MSL) 6000 5300  
TRANSPORT WND (M/S) SW 11 NW 7  
TRANSPORT WND (MPH) SW 24 NW 15  
DISPERSION INDEX  
LAL 1 1 2 3  
HAINES INDEX 4 3 2 2  
MAXIMUM LVORI  
RH RECOVERY MODERATE GOOD  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 50S. MINIMUM RH  
38 PERCENT. NORTH WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTH WINDS UP  
TO 5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH  
44 PERCENT. NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE SOUTH IN THE  
AFTERNOON.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER  
60S. MINIMUM RH 43 PERCENT. SOUTH WINDS UP TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS. LOWS IN THE  
UPPER 40S. HIGHS IN THE UPPER 60S. MINIMUM RH 50 PERCENT. SOUTH  
WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.  
HIGHS IN THE MID 60S. MINIMUM RH 56 PERCENT. SOUTHWEST WINDS 5 TO  
10 MPH. CHANCE OF SHOWERS 50 PERCENT.  
 

 
 
TNZ502-241015-  
HIGHLAND RIM DISTRICT - SOUTH-  
INCLUDING THE COUNTIES OF BEDFORD, GILES, HARDIN, HICKMAN, LAWRENCE,  
LEWIS, LINCOLN, MARSHALL, MAURY, MOORE, PERRY, AND WAYNE  
154 PM CDT SAT MAR 23 2019  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
TEMP (24H TREND) 44 (+10) 67 (+2) 51 64  
RH % (24H TREND) 66 (-19) 50 (+22) 91 67  
AM 20FT WND (MPH) S 6-10 W 6-10  
PM 20FT WND (MPH) LGT/VAR SW 9-13 S 5-9 NW 9-13  
PRECIP CHANCE (%) 0 30 80 70  
PRECIP TYPE NONE SHOWERS TSTMS TSTMS  
PRECIP AMOUNT (IN) 0.00 0.03 0.19 0.16  
PRECIP DUR (HR) 2 6 3  
PRECIP BEGIN 7 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT (M-MSL) 1900 1500  
MIXING HGT (FT-MSL) 6200 5000  
TRANSPORT WND (M/S) SW 10 NW 7  
TRANSPORT WND (MPH) SW 22 NW 16  
DISPERSION INDEX  
LAL 1 1 2 3  
HAINES INDEX  
MAXIMUM LVORI  
RH RECOVERY MODERATE EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 40. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 50S. MINIMUM RH  
42 PERCENT. NORTH WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTH WINDS UP  
TO 5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH  
46 PERCENT. NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE SOUTH IN THE  
AFTERNOON.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER  
60S. MINIMUM RH 42 PERCENT. SOUTH WINDS UP TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER  
60S. MINIMUM RH 49 PERCENT. SOUTH WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE  
LOWER 50S. HIGHS IN THE MID 60S. MINIMUM RH 55 PERCENT. SOUTHWEST  
WINDS 5 TO 10 MPH. CHANCE OF SHOWERS 50 PERCENT.  
 

 
 
TNZ400-241015-  
CUMBERLAND DISTRICT - NORTH-  
INCLUDING THE COUNTIES OF CANNON, CLAY, CUMBERLAND, DEKALB,  
FENTRESS, JACKSON, MACON, OVERTON, PICKETT, PUTNAM, SMITH,  
TROUSDALE, WARREN, AND WHITE  
154 PM CDT SAT MAR 23 2019  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
TEMP (24H TREND) 40 (+10) 67 (+6) 50 62  
RH % (24H TREND) 59 (-17) 43 (+24) 87 71  
AM 20FT WND (MPH) S 6-10 SW 5-9  
PM 20FT WND (MPH) LGT/VAR SW 9-13 S 4-8 NW 9-13  
PRECIP CHANCE (%) 0 30 80 80  
PRECIP TYPE NONE SHOWERS TSTMS TSTMS  
PRECIP AMOUNT (IN) 0.00 0.01 0.11 0.22  
PRECIP DUR (HR) 1 5 9  
PRECIP BEGIN 11 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT (M-MSL) 1800 1700  
MIXING HGT (FT-MSL) 5900 5700  
TRANSPORT WND (M/S) SW 9 W 7  
TRANSPORT WND (MPH) SW 20 W 15  
DISPERSION INDEX  
LAL 1 1 2 3  
HAINES INDEX 4 3 2 2  
MAXIMUM LVORI  
RH RECOVERY MODERATE GOOD  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.  
LOWS IN THE MID 30S. NORTH WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 50S. MINIMUM RH  
45 PERCENT. NORTH WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTH WINDS UP  
TO 5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH  
47 PERCENT. EAST WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST IN THE  
AFTERNOON.    
THURSDAY
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE MID 60S.  
MINIMUM RH 40 PERCENT. SOUTH WINDS UP TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID 60S.  
MINIMUM RH 48 PERCENT. SOUTH WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE  
UPPER 40S. HIGHS IN THE LOWER 60S. MINIMUM RH 65 PERCENT. SOUTHWEST  
WINDS 5 TO 10 MPH. CHANCE OF SHOWERS 50 PERCENT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TN Page Main Text Page