519  
ACUS11 KWNS 160354  
SWOMCD  
SPC MCD 160354  
TNZ000-GAZ000-KYZ000-ALZ000-160600-  
 
MESOSCALE DISCUSSION 0258  
NWS STORM PREDICTION CENTER NORMAN OK  
1054 PM CDT SUN MAR 15 2026  
 
AREAS AFFECTED...MIDDLE TENNESSEE AND NORTHERN ALABAMA  
 
CONCERNING...TORNADO WATCH 59...  
 
VALID 160354Z - 160600Z  
 
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 59 CONTINUES.  
 
SUMMARY...SEVERE THREAT CONTINUES WITHIN WW59.  
 
DISCUSSION...A SQUALL LINE CONTINUES EASTWARD ACROSS MIDDLE  
TENNESSEE, WITH HISTORY OF DAMAGING WINDS AND HAIL. A CLUSTER AHEAD  
OF THE MAIN LINE OF THUNDERSTORMS HAS EXHIBITED OCCASIONAL STRONG  
ROTATION AND WILL LIKELY MERGE WITH THE MAIN LINE OVER THE NEXT  
HOUR. THOUGH MOISTURE REMAINS MORE MARGINAL, WITH DEW POINTS IN THE  
LOW TO MID 50S F AND MLCAPE AROUND 250-500 J/KG. STRONGLY SHEARED  
PROFILES (AS OBSERVED FROM THE VAD AT KBNA) CONTINUE TO SUPPORT A  
STRONG LINE OF THUNDERSTORMS WITH EMBEDDED MESOVORTICIES AND  
POTENTIAL FOR DAMAGING WIND AND TORNADOES OVER THE NEXT SEVERAL  
HOURS.  
 
..THORNTON.. 03/16/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...MRX...FFC...LMK...OHX...BMX...HUN...  
 
LAT...LON 34818805 35928712 36428680 36648662 36678612 36648595  
36508489 36228480 35778480 35328497 34868517 34408584  
34258621 34298716 34298779 34358786 34378796 34818805  
 
MOST PROBABLE PEAK TORNADO INTENSITY...100-130 MPH  
MOST PROBABLE PEAK WIND GUST...75-90 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
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