505  
FNUS54 KOHX 241928  
FWFOHX  
 
FIRE WEATHER PLANNING FORECAST FOR MIDDLE TENNESSEE  
NATIONAL WEATHER SERVICE NASHVILLE TN  
128 PM CST WED FEB 24 2021  
   
DISCUSSION
 
 
EVEN WITH RH VALUES RUNNING LOW THIS AFTERNOON AND A BIT OF A BREEZE,  
WET FUELS WILL MITIGATE ANY FIRE WEATHER CONCERNS FOR THE REMAINDER  
OF THE AFTERNOON. LOOK FOR (VERY) LIGHT RAIN TONIGHT AND SOAKING  
(FLOODING?) RAINS THIS WEEKEND. 4 TO 6 INCHES OF RAINFALL IS EXPECTED  
ACROSS ALL OF MIDDLE TN FRIDAY NIGHT THROUGH MONDAY MORNING.  
 
TNZ005>008-023>028-059-062-251015-  
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  
128 PM CST WED FEB 24 2021  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
TEMP (24H TREND) 35 (-9) 53 (-18) 34 53  
RH % (24H TREND) 94 (+1) 49 (+9) 92 60  
AM 20FT WND (MPH) N 7-11 E 4-8  
PM 20FT WND (MPH) NW 6-10 N 4-8 NE 4-8 SE 6-10  
PRECIP CHANCE (%) 30 0 20 40  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
PRECIP AMOUNT (IN) 0.01 0.00 0.00 0.18  
PRECIP DUR (HR) 1 1 2  
PRECIP BEGIN 6 PM 1 AM CONTINUING  
PRECIP END 2 AM CONTINUING CONTINUING  
MIXING HGT (M-MSL) 1000 700  
MIXING HGT (FT-MSL) 3300 2400  
TRANSPORT WND (M/S) N 6 SE 5  
TRANSPORT WND (MPH) N 13 SE 10  
VENT RATE (M/S-M) 6512 6612  
CATEGORY DAY 3 2  
DISPERSION INDEX 19 26 9 13  
LAL 1 1 1 1  
HAINES INDEX 4 4 4 4  
MAXIMUM LVORI 5 5 6 6  
RH RECOVERY EXCELLENT EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.  
CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER 60S. MINIMUM RH 72 PERCENT.  
SOUTHWEST WINDS UP TO 5 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT
 
SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTH WINDS UP TO 5 MPH.  
CHANCE OF PRECIPITATION 70 PERCENT.    
SUNDAY
 
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE  
LOWER 60S. MINIMUM RH 74 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.  
CHANCE OF PRECIPITATION 90 PERCENT.    
MONDAY
 
MOSTLY CLOUDY WITH SHOWERS. LOWS IN THE MID 40S. HIGHS IN  
THE MID 50S. MINIMUM RH 50 PERCENT. NORTH WINDS UP TO 10 MPH. CHANCE  
OF SHOWERS 80 PERCENT.    
TUESDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS. LOWS IN  
THE MID 30S. HIGHS IN THE LOWER 50S. MINIMUM RH 51 PERCENT. SOUTH  
WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S. MINIMUM RH 47 PERCENT. WEST WINDS UP TO 5 MPH.  
 

 
 
TNZ009>011-029>034-063>066-078-080-251015-  
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  
128 PM CST WED FEB 24 2021  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
TEMP (24H TREND) 37 (-5) 53 (-16) 34 52  
RH % (24H TREND) 97 (+2) 50 (+10) 93 58  
AM 20FT WND (MPH) N 4-8 E 4-8  
PM 20FT WND (MPH) W 6-10 N 4-8 NE 4-8 SE 7-11  
PRECIP CHANCE (%) 30 0 20 50  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.26  
PRECIP DUR (HR) 1 0 2  
PRECIP BEGIN 7 PM 2 AM CONTINUING  
PRECIP END 2 AM CONTINUING CONTINUING  
MIXING HGT (M-MSL) 900 700  
MIXING HGT (FT-MSL) 3100 2300  
TRANSPORT WND (M/S) N 5 SE 6  
TRANSPORT WND (MPH) N 10 SE 14  
VENT RATE (M/S-M) 5671 6191  
CATEGORY DAY 3 3  
DISPERSION INDEX 15 19 8 16  
LAL 1 1 1 1  
HAINES INDEX 4 4 5 4  
MAXIMUM LVORI 6 9 6 5  
RH RECOVERY EXCELLENT EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.  
CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS AROUND 60. MINIMUM RH 80 PERCENT. SOUTH WINDS  
5 TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT
 
SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTH WINDS UP TO 5 MPH.  
CHANCE OF PRECIPITATION 70 PERCENT.    
SUNDAY
 
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE  
LOWER 60S. MINIMUM RH 73 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.  
CHANCE OF PRECIPITATION 90 PERCENT.    
MONDAY
 
CLOUDY WITH SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE  
MID 50S. MINIMUM RH 49 PERCENT. NORTH WINDS UP TO 5 MPH. CHANCE OF  
SHOWERS 80 PERCENT.    
TUESDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS. LOWS IN  
THE MID 30S. HIGHS IN THE LOWER 50S. MINIMUM RH 46 PERCENT. SOUTH  
WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
50S. MINIMUM RH 47 PERCENT. WEST WINDS UP TO 5 MPH.  
 

 
 
TNZ056>058-060-061-075-076-092>096-251015-  
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  
128 PM CST WED FEB 24 2021  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER MCLDY PCLDY MCLDY CLOUDY  
TEMP (24H TREND) 38 (-4) 58 (-14) 36 56  
RH % (24H TREND) 97 (+6) 46 (+12) 93 67  
AM 20FT WND (MPH) N 6-10 E 4-8  
PM 20FT WND (MPH) W 3-7 N 4-8 NE 4-8 SE 7-11  
PRECIP CHANCE (%) 30 0 50 60  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
PRECIP AMOUNT (IN) 0.01 0.00 0.08 0.49  
PRECIP DUR (HR) 1 1 6  
PRECIP BEGIN 6 PM 11 PM CONTINUING  
PRECIP END 2 AM CONTINUING CONTINUING  
MIXING HGT (M-MSL) 900 700  
MIXING HGT (FT-MSL) 2900 2300  
TRANSPORT WND (M/S) N 7 SE 7  
TRANSPORT WND (MPH) N 16 SE 16  
VENT RATE (M/S-M) 6448 6630  
CATEGORY DAY 3 3  
DISPERSION INDEX 16 28 17 16  
LAL 1 1 1 1  
HAINES INDEX 4 3 4 3  
MAXIMUM LVORI 7 5 8 6  
RH RECOVERY EXCELLENT EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
IN THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION  
80 PERCENT.    
SATURDAY
 
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE MID 60S. MINIMUM RH 82 PERCENT. SOUTH  
WINDS UP TO 5 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT
 
SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S. SOUTH WINDS UP TO 5 MPH. CHANCE  
OF PRECIPITATION 70 PERCENT.    
SUNDAY
 
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE  
MID 60S. MINIMUM RH 79 PERCENT. SOUTHWEST WINDS UP TO 5 MPH. CHANCE  
OF PRECIPITATION 90 PERCENT.    
MONDAY
 
CLOUDY WITH SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE  
MID 50S. MINIMUM RH 51 PERCENT. NORTH WINDS UP TO 5 MPH. CHANCE OF  
SHOWERS 80 PERCENT.    
TUESDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE MID 50S. MINIMUM RH 51 PERCENT. SOUTH  
WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S. MINIMUM RH 47 PERCENT. WEST WINDS UP TO 5 MPH.  
 

 
 
TNZ077-079-097-251015-  
COFFEE-FRANKLIN-GRUNDY-  
INCLUDING THE CITIES OF ALTAMONT, COALMONT, COWAN, DECHERD,  
ESTILL SPRINGS, MANCHESTER, SEWANEE, TULLAHOMA, AND WINCHESTER  
128 PM CST WED FEB 24 2021  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER MCLDY PCLDY MCLDY CLOUDY  
TEMP (24H TREND) 40 (-2) 57 (-12) 37 52  
RH % (24H TREND) 98 (+9) 47 (+11) 89 61  
AM 20FT WND (MPH) N 4-8 SE 6-10  
PM 20FT WND (MPH) SW 4-8 N 4-8 N 4-8 SE 8-12  
PRECIP CHANCE (%) 20 0 40 60  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
PRECIP AMOUNT (IN) 0.00 0.00 0.06 0.51  
PRECIP DUR (HR) 1 1 6  
PRECIP BEGIN 8 PM 1 AM CONTINUING  
PRECIP END 2 AM CONTINUING CONTINUING  
MIXING HGT (M-MSL) 800 700  
MIXING HGT (FT-MSL) 2800 2100  
TRANSPORT WND (M/S) N 6 SE 9  
TRANSPORT WND (MPH) N 14 SE 21  
VENT RATE (M/S-M) 5455 6379  
CATEGORY DAY 3 3  
DISPERSION INDEX 10 23 11 17  
LAL 1 1 1 1  
HAINES INDEX 4 4 5 4  
MAXIMUM LVORI 6 7 6 6  
RH RECOVERY EXCELLENT MODERATE  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.  
CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER 60S. MINIMUM RH 81 PERCENT. SOUTH  
WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT
 
SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S. SOUTH WINDS 5 TO 10 MPH. CHANCE  
OF PRECIPITATION 70 PERCENT.    
SUNDAY
 
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE  
MID 60S. MINIMUM RH 75 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE  
OF PRECIPITATION 90 PERCENT.    
MONDAY
 
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 50S.  
MINIMUM RH 51 PERCENT. NORTH WINDS AROUND 5 MPH. CHANCE OF SHOWERS  
90 PERCENT.    
TUESDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE MID 50S. MINIMUM RH 49 PERCENT. SOUTH  
WINDS UP TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S. MINIMUM RH 46 PERCENT. WEST WINDS UP TO 5 MPH.  
 

 
 
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