473  
ACUS11 KWNS 220310  
SWOMCD  
SPC MCD 220309  
TNZ000-220515-  
 
MESOSCALE DISCUSSION 1706  
NWS STORM PREDICTION CENTER NORMAN OK  
1009 PM CDT TUE JUL 21 2026  
 
AREAS AFFECTED...WESTERN AND MIDDLE TENNESSEE  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 510...  
 
VALID 220309Z - 220515Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 510  
CONTINUES.  
 
SUMMARY...THE POTENTIAL FOR MORE ORGANIZED SEVERE WEATHER APPEARS TO  
BE DIMINISHING. HOWEVER, SPORADIC OCCURRENCES OF DAMAGING WINDS WILL  
REMAIN POSSIBLE THROUGH 05Z.  
 
DISCUSSION...ONGOING STORMS ACROSS MIDDLE TN HAVE FAILED TO SUSTAIN  
AN ORGANIZED COLD POOL, WITH ONLY POCKETS OF ENHANCED VELOCITIES  
NOTED IN RECENT KOHX RADAR DATA. WHILE LATEST OBJECTIVE ANALYSIS  
INDICATES THE PRESENCE OF A MODERATELY UNSTABLE AIR MASS, POOR  
LOW/MID-LEVEL LAPSE RATES ARE TEMPERING UPDRAFT VIGOR. LOCALLY  
INTENSE DOWNDRAFTS WILL REMAIN CAPABLE OF SPORADIC DAMAGING WINDS  
OVER THE NEXT COUPLE OF HOURS. HOWEVER, THE POTENTIAL FOR ORGANIZED  
SEVERE WEATHER APPEARS TO BE DIMINISHING.  
 
..MEAD.. 07/22/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...OHX...MEG...  
 
LAT...LON 35478950 35848924 36068805 36248762 36318701 36258643  
35928597 35648600 35478631 35338759 35218838 35258924  
35478950  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
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