274  
ACUS11 KWNS 311930  
SWOMCD  
SPC MCD 311930  
KYZ000-ILZ000-TNZ000-MOZ000-ARZ000-312130-  
 
MESOSCALE DISCUSSION 0919  
NWS STORM PREDICTION CENTER NORMAN OK  
0230 PM CDT SUN MAY 31 2026  
 
AREAS AFFECTED...SOUTHEAST MO...FAR SOUTHERN IL...FAR WESTERN  
KY...AND FAR NORTHWEST TN  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 311930Z - 312130Z  
 
PROBABILITY OF WATCH ISSUANCE...20 PERCENT  
 
SUMMARY...LOCALLY DAMAGING GUSTS WILL BE POSSIBLE WITH A CLUSTER OF  
THUNDERSTORMS TRACKING SOUTHEASTWARD.  
 
DISCUSSION...A LOOSELY ORGANIZED CLUSTER OF THUNDERSTORMS IS  
TRACKING SOUTHEASTWARD ACROSS SOUTHEASTERN MO, WHICH HAS PRODUCED A  
FEW DAMAGING GUSTS AND SMALL HAIL. DESPITE LIMITED DEEP-LAYER SHEAR  
(AROUND 25-KT MIDLEVEL FLOW PER REGIONAL VWP), WARM/MOIST INFLOW AND  
STEEPENED LAPSE RATES (AROUND 2000 J/KG MLCAPE) WILL CONTINUE TO  
MAINTAIN THIS ACTIVITY AS IT CONTINUES SOUTHEASTWARD ALONG THE CAPE  
GRADIENT OVER THE NEXT COUPLE HOURS. LOCALLY DAMAGING GUSTS WILL  
REMAIN POSSIBLE, BUT CURRENT THINKING IS THAT THE OVERALL SEVERE  
RISK WILL REMAIN TOO LIMITED FOR A WATCH.  
 
..WEINMAN/THOMPSON.. 05/31/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...PAH...MEG...LSX...  
 
LAT...LON 36959092 37339092 37859020 37858975 37648918 37308875  
36858862 36398877 36208901 36088946 36249010 36509059  
36959092  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
 
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