542  
ACUS11 KWNS 291331  
SWOMCD  
SPC MCD 291330  
KYZ000-ILZ000-TNZ000-MOZ000-ARZ000-OKZ000-KSZ000-291500-  
 
MESOSCALE DISCUSSION 0600  
NWS STORM PREDICTION CENTER NORMAN OK  
0830 AM CDT TUE APR 29 2025  
 
AREAS AFFECTED...SOUTHERN MO/IL INTO NORTHERN AR  
 
CONCERNING...SEVERE POTENTIAL...SEVERE THUNDERSTORM WATCH LIKELY  
 
VALID 291330Z - 291500Z  
 
PROBABILITY OF WATCH ISSUANCE...95 PERCENT  
 
SUMMARY...STRONG TO SEVERE WIND GUSTS WILL PERSIST WITH A BOWING  
CLUSTER OF STORMS MOVING ACROSS SOUTHERN MISSOURI AND NORTHERN  
ARKANSAS. A NEW SEVERE THUNDERSTORM WATCH WILL BE NEEDED.  
 
DISCUSSION...A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS MOVING INTO  
SOUTHWEST MO/FAR NORTHWEST AR HAS PRODUCED WIND DAMAGE AND SEVERE  
GUSTS RECENTLY AT MIAMI, OK NEAR THE OK/MO BORDER. THE KINX VWP  
SUGGESTS REAR-INFLOW NEAR 40 KT BEHIND THIS BOWING CLUSTER THAT IS  
QUICKLY MOVING EAST AT AROUND 50-60 KT. DOWNSTREAM ACROSS SOUTHERN  
MO/NORTHERN AR, SURFACE DEWPOINTS ARE IN THE MID TO UPPER 60S F WITH  
TEMPERATURES ALREADY STARTING OUT IN THE LOW 70S THIS MORNING. THIS  
IS SUPPORTING MODEST INSTABILITY, WHICH MAY INCREASE SOME THROUGH  
THE REMAINDER OF THE MORNING/EARLY AFTERNOON GIVEN AREAS OF CLEAR TO  
SCATTERED CLOUDINESS AHEAD OF THE SYSTEM. WHILE THE BULK OF THIS  
CONVECTION MAY REMAIN OVER SOUTHERN MO, SOME FORECAST GUIDANCE  
SUGGESTS SOUTHWARD DEVELOPMENT ON THE SOUTHWEST FLANK MAY OCCUR OVER  
NORTHERN AR. EVENTUALLY, CONVECTION WILL MOVE INTO SOUTHERN IL LATER  
THIS AFTERNOON. A SEVERE THUNDERSTORM WATCH WILL LIKELY BE NEEDED  
SOON ACROSS PORTIONS OF THE MCD AREA.  
 
..LEITMAN/HART.. 04/29/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...PAH...MEG...LSX...LZK...SGF...TSA...  
 
LAT...LON 37829405 38139104 38348907 36998863 36088949 35839066  
35409214 35699448 36229491 36819486 37279475 37829405  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN  
 
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