833  
FNUS54 KOHX 240908  
FWFOHX  
 
FIRE WEATHER PLANNING FORECAST FOR MIDDLE TENNESSEE  
NATIONAL WEATHER SERVICE NASHVILLE TN  
408 AM CDT FRI MAY 24 2019  
   
DISCUSSION
 
 
UPPER HIGH TO REMAIN IN CONTROL ACROSS THE DEEP SOUTH THROUGH THE  
NEAR TERM PERIOD. HIGH PRESSURE IS ALSO LOCATED AT THE SFC AND  
STACKS WELL WITH THE AFOREMENTIONED UPPER FEATURE. SUBSIDENCE EXTENDS  
A REASONABLE DISTANCE NORTHWARD AND SOME NORTHERN EXTENDED RIDGE  
AXIS DEVELOPMENT HAS BEEN NOTED. 850 MB TEMPS WILL CONTINUE TO RUN  
AROUND 18C AND SO LOWER 90S WILL CONTINUE FOR HIGHS.  
 
IN THE EXT FCST, UPPER HIGH ELONGATES WEST TO EAST AND SINKS FURTHER  
SOUTH ACROSS THE GULF. WESTERLIES WILL INCREASE ACROSS TENNESSEE,  
BUT PRIOR TO A WEAK FROPA ON THURSDAY, HEIGHTS WILL STILL REMAIN  
ELEVATED. LOOK FOR LOWER 90S TO PERSIST INTO THE MIDDLE OF THE WEEK.  
BY THURSDAY AND FRIDAY HOWEVER, TEMPS MAY BACK DOWN A FEW DEGREES  
WITH HIGHS HOLDING IN THE 80S ON THURSDAY PERHAPS. CONVECTION CHANCES  
WILL BE INCLUDED ALONG AND JUST AHEAD OF THE FROPA BUT POPS WILL BE  
LOW.  
 
TNZ005>008-023>028-059-062-251200-  
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, AND WAVERLY  
408 AM CDT FRI MAY 24 2019  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR  
TEMP (24H TREND) 90 (-1) 68 (0) 91  
RH % (24H TREND) 49 (+4) 94 (+6) 45  
AM 20FT WND (MPH) SW 4-8 SW 7-11  
PM 20FT WND (MPH) SW 4-8 LGT/VAR SW 7-11  
PRECIP CHANCE (%) 0 0 0  
PRECIP TYPE NONE NONE NONE  
PRECIP AMOUNT (IN) 0.00 0.00 0.00  
PRECIP DUR (HR)  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (M-MSL) 2600 2800  
MIXING HGT (FT-MSL) 8600 9300  
TRANSPORT WND (M/S) SW 5 SW 8  
TRANSPORT WND (MPH) SW 12 SW 18  
DISPERSION INDEX 45 1 86  
LAL 1 1 1  
HAINES INDEX 3 3 4  
MAXIMUM LVORI 2 2 2  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS UP TO 5 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH  
45 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS UP TO 5 MPH.    
MEMORIAL DAY
 
MOSTLY CLOUDY. HIGHS IN THE LOWER 90S. MINIMUM RH  
41 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER  
90S. MINIMUM RH 39 PERCENT. SOUTHWEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE  
UPPER 80S. MINIMUM RH 44 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S. MINIMUM RH  
44 PERCENT. WEST WINDS UP TO 10 MPH.  
 

 
 
TNZ009>011-029>034-063>066-078-080-251200-  
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  
408 AM CDT FRI MAY 24 2019  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR  
TEMP (24H TREND) 88 (-1) 68 (+2) 88  
RH % (24H TREND) 50 (+7) 94 (+2) 50  
AM 20FT WND (MPH) SW 4-8 SW 4-8  
PM 20FT WND (MPH) W 4-8 LGT/VAR SW 6-10  
PRECIP CHANCE (%) 0 0 0  
PRECIP TYPE NONE NONE NONE  
PRECIP AMOUNT (IN) 0.00 0.00 0.00  
PRECIP DUR (HR)  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (M-MSL) 2500 2600  
MIXING HGT (FT-MSL) 8100 8600  
TRANSPORT WND (M/S) W 5 W 8  
TRANSPORT WND (MPH) W 10 W 17  
DISPERSION INDEX 45 1 69  
LAL 1 1 1  
HAINES INDEX 3 3 3  
MAXIMUM LVORI 2 0 0  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS UP TO 5 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH  
46 PERCENT. WEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS UP TO 5 MPH.    
MEMORIAL DAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH  
38 PERCENT. WEST WINDS UP TO 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER  
90S. MINIMUM RH 35 PERCENT. SOUTHWEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS AROUND 70. HIGHS AROUND 90. MINIMUM  
RH 38 PERCENT. SOUTHWEST WINDS UP TO 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. MINIMUM  
RH 40 PERCENT. WEST WINDS UP TO 10 MPH.  
 

 
 
TNZ056>058-060-061-075-076-092>096-251200-  
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  
408 AM CDT FRI MAY 24 2019  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
TEMP (24H TREND) 91 (-1) 69 (+2) 92  
RH % (24H TREND) 48 (+8) 91 (+2) 44  
AM 20FT WND (MPH) LGT/VAR SW 4-8  
PM 20FT WND (MPH) LGT/VAR LGT/VAR SW 6-10  
PRECIP CHANCE (%) 10 0 0  
PRECIP TYPE NONE NONE NONE  
PRECIP AMOUNT (IN) 0.00 0.00 0.00  
PRECIP DUR (HR) 0  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (M-MSL) 2500 2800  
MIXING HGT (FT-MSL) 8300 9100  
TRANSPORT WND (M/S) SW 4 SW 7  
TRANSPORT WND (MPH) SW 9 SW 16  
DISPERSION INDEX 37 1 72  
LAL 1 1 1  
HAINES INDEX 3 4 3  
MAXIMUM LVORI 2 1 2  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS UP TO 5 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH  
41 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST WINDS  
UP TO 5 MPH.    
MEMORIAL DAY
 
MOSTLY CLOUDY. HIGHS IN THE LOWER 90S. MINIMUM RH  
37 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER  
90S. MINIMUM RH 37 PERCENT. SOUTHWEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 70S. HIGHS AROUND 90.  
MINIMUM RH 41 PERCENT. SOUTHWEST WINDS UP TO 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 80S.  
MINIMUM RH 41 PERCENT. WEST WINDS UP TO 5 MPH.  
 

 
 
TNZ077-079-097-251200-  
COFFEE-FRANKLIN-GRUNDY-  
INCLUDING THE CITIES OF ALTAMONT, COALMONT, COWAN, DECHERD,  
ESTILL SPRINGS, MANCHESTER, SEWANEE, TULLAHOMA, AND WINCHESTER  
408 AM CDT FRI MAY 24 2019  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
TEMP (24H TREND) 89 (0) 68 (+2) 88  
RH % (24H TREND) 50 (+7) 92 (+3) 50  
AM 20FT WND (MPH) LGT/VAR SW 3-7  
PM 20FT WND (MPH) LGT/VAR LGT/VAR SW 4-8  
PRECIP CHANCE (%) 10 0 0  
PRECIP TYPE NONE NONE NONE  
PRECIP AMOUNT (IN) 0.00 0.00 0.00  
PRECIP DUR (HR) 0  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (M-MSL) 2300 2500  
MIXING HGT (FT-MSL) 7600 8200  
TRANSPORT WND (M/S) W 4 W 7  
TRANSPORT WND (MPH) W 8 W 16  
DISPERSION INDEX 33 0 64  
LAL 1 1 1  
HAINES INDEX 2 3 3  
MAXIMUM LVORI 2 0 0  
RH RECOVERY EXCELLENT  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS UP TO 5 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH  
44 PERCENT. WEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST WINDS  
UP TO 5 MPH.    
MEMORIAL DAY
 
PARTLY SUNNY. HIGHS AROUND 90. MINIMUM RH  
39 PERCENT. WEST WINDS UP TO 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER  
90S. MINIMUM RH 37 PERCENT. SOUTHWEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS AROUND 70. HIGHS IN THE UPPER 80S.  
MINIMUM RH 39 PERCENT. SOUTHWEST WINDS UP TO 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. MINIMUM  
RH 43 PERCENT. WEST WINDS UP TO 10 MPH.  
 

 
 
21  
 
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