425  
FXUS64 KOHX 171619  
AFDOHX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NASHVILLE TN  
1119 AM CDT THU APR 17 2025  
   
..NEW SHORT TERM, LONG TERM
 
 
   
KEY MESSAGES
 
 
UPDATED AT 1118 AM CDT THU APR 17 2025  
 
- HIGHS WARM BACK INTO THE 70S AND 80S  
 
- RAIN AND THUNDERSTORM CHANCES RETURN LATER SUNDAY INTO MONDAY,  
THREAT FOR SEVERE WEATHER IS VERY LOW  
 
- WARM NEXT WEEK WITH SHOWER AND THUNDERSTORM CHANCES  
 

 
   
SHORT TERM
 
 
(REST OF TODAY THROUGH FRIDAY)  
ISSUED AT 1118 AM CDT THU APR 17 2025  
 
AN UPPER LEVEL RIDGE IS BUILT OVER THE CENTRAL PART OF THE COUNTRY  
WITH A SURFACE HIGH SITTING TO OUR NORTHEAST. A SHORT WAVE IS  
SPINNING AROUND THE APEX OF THE RIDGE AND IS BRINGING SOME SHOWERS  
TO OUR NORTHWEST AND MID TO HIGH LEVEL CLOUD COVER TO OUR AREA.  
THE SHOWERS ASSOCIATED WITH THIS WILL STAY TO OUR NORTHWEST AND  
WE WILL REMAIN DRY TODAY, THE CLOUDS WILL EXIT DURING THE  
AFTERNOON FROM WEST TO EAST. SOUTHERLY WINDS WILL WARM THINGS UP  
INTO THE 70S TO AROUND 80 THIS AFTERNOON. MID TO HIGH LEVEL CLOUDS  
MOVE BACK IN THIS EVENING AS A LONG WAVE TROUGH OVER THE WEST  
SLOWLY START TO PUSH EAST. LOWS TONIGHT WILL FALL INTO THE MID  
50S TO MID 60S.  
 
A LOW PRESSURE SYSTEM WILL TRACK OUT OF THE CENTRAL PLAINS INTO  
THE GREAT LAKES FRIDAY AND WILL BRING AN INCREASED PRESSURE  
GRADIENT TO TO THE REGION AND BREEZY SOUTHERLY WINDS. WIND GUSTS  
DURING THE LATE MORNING INTO THE MID AFTERNOON WILL BE BETWEEN  
20-30 MPH. HIGHS WILL CONTINUE TO WARM WITH THEM PUSHING INTO THE  
LOW TO MID 80S.  
 

 
   
LONG TERM
 
 
(FRIDAY NIGHT THROUGH NEXT THURSDAY)  
ISSUED AT 1118 AM CDT THU APR 17 2025  
 
AS THE LOW PRESSURE SYSTEM TRACKS OUT OF THE GREAT LAKES IT WILL  
PUSH A COLD FRONT SOUTH. THIS FRONT WILL STALL OUT TO OUR NORTH  
SATURDAY AND WILL BE THE FOCUS FOR SHOWERS AND THUNDERSTORMS.  
THIS ACTIVITY IS EXPECTED TO STAY NORTH OF OUR AREA AND WE LOOK TO  
HAVE A STRONG CAP IN PLACE WITH SOME MID-LEVEL INSTABILITY. THIS  
WILL KEEP MUCH OF THE WEEKEND DRY AND WARM, HIGHS WILL PUSH INTO  
THE MID TO UPPER 80S AND LOWS IN THE 60S.  
 
AS WE HEAD INTO SUNDAY THE LONG WAVE TROUGH OVER THE WEST WILL  
FINALLY LIFT WITH A SURFACE LOW DEVELOPING OVER THE PLAINS. THIS  
WILL PUSH A COLD FRONT INTO THE WESTERN PART OF THE STATE SUNDAY  
EVENING AND INTO OUR AREA SUNDAY NIGHT INTO MONDAY MORNING. BY THE  
TIME THE FRONT MAKES IT TO OUR AREAS INSTABILITY WILL BE LIMITED,  
GENERALLY LESS THAN 250 J/KG. THE CAPE PROFILES WILL ALSO BE TALL  
AND SKINNY, THIS WOULD NOT SUPPORT ROBUST UPDRAFTS. SEVERE WEATHER  
LOOKS UNLIKELY AT THIS TIME BUT SOME THUNDERSTORMS CAN BE EXPECTED.  
THE FRONT WILL CONTINUE TO MAKES ITS WAY THROUGH THE MID STATE  
DURING THE DAY MONDAY WITH SHOWERS AND THUNDERSTORMS LINGERING  
INTO THE EVENING OVER THE SOUTHWEST PART OF THE AREA. ONCE AGAIN  
CAPE LOOKS TO BE LIMITED ON MONDAY ALONG WITH SIMILAR PROFILES.  
SOME THUNDERSTORMS WILL BE POSSIBLE BUT SEVERE WEATHER LOOKS  
UNLIKELY.  
 
SHORT WAVE RIDGE AND SURFACE HIGH PRESSURE BUILD OVER THE REGION  
TUESDAY WITH DRY CONDITIONS. COOLING BEHIND THE COLD FRONT WILL  
BE LIMITED WITH HIGHS STAYING IN THE MID TO UPPER 70S. TROUGHING  
OVER THE WEST MID TO LATE WEEK WILL BRING WEAK SHORT WAVES OVER  
OUR AREA AND SCATTERED SHOWER AND THUNDERSTORM CHANCES. HIGHEST  
CHANCES WILL BE IN THE AFTERNOONS. HIGHS WILL WARM BACK INTO THE  
80S BY WEDNESDAY.  
 

 
   
AVIATION
 
 
(12Z TAFS)  
ISSUED AT 624 AM CDT THU APR 17 2025  
 
VFR CONDITIONS THROUGH THE TAF PERIOD. MID TO HIGH LEVEL CLOUDS  
WILL WORK OVER THE AREA THROUGHOUT THE DAY AND INTO THE OVERNIGHT  
WITH SOME CLEARING FOR A SHORT TIME IN THE AFTERNOON. SOUTHERLY  
WINDS WILL INCREASE TO 10-15 KNOTS BY 18Z. LOW LEVEL WIND SHEAR  
WILL DEVELOP FOR THE EASTERN TERMINALS AFTER 03Z.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
NASHVILLE 78 61 84 65 / 10 0 0 0  
CLARKSVILLE 76 61 82 66 / 10 0 10 10  
CROSSVILLE 71 55 79 60 / 10 0 0 0  
COLUMBIA 78 60 84 65 / 0 0 0 0  
COOKEVILLE 72 58 79 63 / 10 0 0 0  
JAMESTOWN 71 55 80 62 / 10 0 0 0  
LAWRENCEBURG 77 60 82 65 / 0 0 0 0  
MURFREESBORO 78 60 84 65 / 0 0 0 0  
WAVERLY 77 62 82 66 / 10 0 10 10  
 

 
   
OHX WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  

 
 

 
 
SHORT TERM...MUELLER  
LONG TERM....MUELLER  
AVIATION.....MUELLER  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TN Page Main Text Page