598  
ACUS11 KWNS 280222  
SWOMCD  
SPC MCD 280221  
ALZ000-280315-  
 
MESOSCALE DISCUSSION 1017  
NWS STORM PREDICTION CENTER NORMAN OK  
0921 PM CDT TUE MAY 27 2025  
 
AREAS AFFECTED...SOUTH AL  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 339...  
 
VALID 280221Z - 280315Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 339  
CONTINUES.  
 
SUMMARY...OVERALL SEVERE THREAT SHOULD BE RATHER LIMITED WITHIN WW  
339 THROUGH THE REST OF THE EVENING. LOCALIZED STRONG GUSTS AND A  
BRIEF TORNADO ARE POSSIBLE DOWNSTREAM IN SOUTH AL.  
 
DISCUSSION...THE NORTHERN PORTION OF A SHORT QLCS OVER SOUTHWEST AL  
HAS ACCELERATED AND DISPLAYED BROAD ROTATION AS A BOOKEND VORTEX  
EMERGED. ALTHOUGH INSTABILITY IS MUTED IN THE WAKE OF AN EARLIER-DAY  
MCS AND POOR MID-LEVEL LAPSE RATES, LOW LCLS ALONG WITH ADEQUATE  
SURFACE-BASED BUOYANCY COULD SUPPORT A BRIEF TORNADO AND SWATH OF  
STRONG GUSTS AS THE BOOKEND MOVES EAST WHERE LOW-LEVEL SHEAR IS  
GREATER PER MXX VWP DATA.  
 
THE TRAILING PORTION OF THE LINE CONTINUES TO STRUGGLE IN  
MAINTAINING DEEPER AND MORE ORGANIZED CONVECTIVE STRUCTURES WITH  
OUTPACING OUTFLOW NOTED IN MOB RADAR. WITH A LACK OF LOW-LEVEL MASS  
RESPONSE ALONG THE CENTRAL GULF COAST, THIS TREND IS EXPECTED TO  
PERSIST THROUGH THE REST OF THE EVENING.  
 
..GRAMS/MOSIER.. 05/28/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...TAE...BMX...MOB...  
 
LAT...LON 31968714 32168702 32368643 32438593 32218554 31968549  
31808558 31638600 31568646 31538681 31588710 31968714  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH  
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
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