664  
ACUS11 KWNS 260044  
SWOMCD  
SPC MCD 260043  
ARZ000-MOZ000-OKZ000-KSZ000-260245-  
 
MESOSCALE DISCUSSION 0535  
NWS STORM PREDICTION CENTER NORMAN OK  
0743 PM CDT SAT APR 25 2026  
 
AREAS AFFECTED...SOUTHEAST KANSAS INTO NORTHEAST OKLAHOMA  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 145...  
 
VALID 260043Z - 260245Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 145  
CONTINUES.  
 
SUMMARY...A CORRIDOR OF HIGHER HAIL, AND PERHAPS SEVERE WIND,  
POTENTIAL WILL PERSIST ACROSS FAR SOUTHEAST KANSAS AND NORTHWEST  
OKLAHOMA FOR THE NEXT FEW HOURS.  
 
DISCUSSION...REGIONAL RADAR IMAGERY OVER THE PAST 1-2 HOURS HAS  
DEPICTED SEVERAL TRANSIENT, AND LIKELY ELEVATED, SUPERCELLS FROM FAR  
SOUTHEAST KS INTO NORTHEAST OK AND FAR NORTHWEST AR WITH A HISTORY  
OF PRODUCING GOLF BALL SIZED HAIL AND OCCASIONAL SEVERE WINDS. STORM  
MOTIONS TO THE SOUTHEAST WITHIN THE ZONE OF INITIATION IS PROMOTING  
DESTRUCTIVE STORM INTERACTIONS, AND PRECLUDING A MORE PROLONGED HAIL  
THREAT FROM ANY ONE STORM. HOWEVER, GOES IR IMAGERY CONTINUES TO  
SHOW PERIODIC INTENSE UPDRAFTS, AND NEW CONVECTION CONTINUES TO  
DEVELOP WITHIN THIS ZONE OF FOCUSED WARM ADVECTION (LIKELY FOCUSED  
NEAR THE 850 MB LEVEL).  
 
NEW DEVELOPMENT IS PARTICULARLY NOTED ON THE SOUTHWEST FLANK OF A  
GRADUALLY EXPANDING COLD POOL WHERE ASCENT APPEARS TO BE MAXIMIZED  
AND MUCAPE REMAINS NEAR 2000 J/KG. THE REGIONAL KINX VWP ALSO  
CONTINUES TO SAMPLE VERY STRONG SPEED SHEAR THROUGH A DEEP LAYER.  
CONSEQUENTLY, NEW CONVECTION DEVELOPING ACROSS NORTHEAST OK OVER THE  
NEXT FEW HOURS WILL LIKELY CONTINUE TO SEE TRANSIENT ORGANIZATION -  
POSSIBLY INTO SUPERCELLS - WITH AN ATTENDANT THREAT FOR LARGE HAIL.  
STORM INTERACTIONS/DESTRUCTIVE INTERFERENCE MAY CONTINUE TO LIMIT  
LONGEVITY AND INTENSITY OF ANY PARTICULAR CELL, BUT LATEST HIGH-RES  
GUIDANCE SUGGESTS A THREAT FOR SEVERE HAIL, AND PERHAPS SPORADIC  
SEVERE GUSTS, WILL LIKELY PERSIST THROUGH 04-05 UTC.  
 
..MOORE.. 04/26/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...SGF...TSA...ICT...  
 
LAT...LON 37419597 37169524 36919474 36459417 36129398 35889398  
35629427 35589460 35569506 35719547 35859588 36149635  
36639668 37099665 37299654 37409641 37419597  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN  
 
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