674  
ACUS11 KWNS 240406  
SWOMCD  
SPC MCD 240405  
KSZ000-NEZ000-COZ000-240500-  
 
MESOSCALE DISCUSSION 1288  
NWS STORM PREDICTION CENTER NORMAN OK  
1105 PM CDT TUE JUN 23 2026  
 
AREAS AFFECTED...PORTIONS OF FAR SOUTHWESTERN NEBRASKA INTO WESTERN  
KANSAS  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 240405Z - 240500Z  
 
PROBABILITY OF WATCH ISSUANCE...60 PERCENT  
 
SUMMARY...THE SEVERE THREAT MAY INCREASE THROUGH THE LATE EVENING,  
WITH SEVERE WIND/HAIL BECOMING MORE WIDESPREAD THROUGH TONIGHT EAST  
OF SEVERE THUNDERSTORM WATCH 385. A WW ISSUANCE MAY BE NEEDED  
PENDING FAVORABLE TRENDS IN STORM INTENSIFICATION.  
 
DISCUSSION...MULTICELLS/TRANSIENT SUPERCELLS HAVE DEVELOPED ALONG  
THE CO/NE BORDER, AT THE TERMINUS OF AN INTENSIFYING LOW-LEVEL JET.  
THESE STORMS ARE POISED TO TRACK SOUTHEASTWARD AMID 2500+ J/KG  
MUCAPE AND 60 KTS OF EFFECTIVE BULK SHEAR. AS SUCH, ANY STORMS THAT  
CAN BECOME SUSTAINED MAY POSE A SEVERE HAIL THREAT, A FEW STONES OF  
WHICH COULD EXCEED 2 INCHES IN DIAMETER. ISOLATED TO POTENTIALLY  
SCATTERED SEVERE GUSTS ARE ALSO POSSIBLE, ESPECIALLY IF AN MCS  
BEGINS TO MATERIALIZE SOONER THAN EXPECTED. IF STORMS CONTINUE TO  
INCREASE IN COVERAGE AND INTENSITY, A SEVERE THUNDERSTORM WATCH MAY  
BE NEEDED.  
 
..SQUITIERI/SMITH.. 06/24/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...LBF...DDC...GLD...BOU...CYS...  
 
LAT...LON 40380272 40460277 40740284 41010272 41220249 41280198  
41200154 39810036 38650023 37870030 37400060 37160132  
37240161 38330201 39550202 40380272  
 
MOST PROBABLE PEAK WIND GUST...65-80 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN  
 
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