850  
ACUS11 KWNS 232210  
SWOMCD  
SPC MCD 232209  
KSZ000-OKZ000-NEZ000-COZ000-240015-  
 
MESOSCALE DISCUSSION 0942  
NWS STORM PREDICTION CENTER NORMAN OK  
0509 PM CDT FRI MAY 23 2025  
 
AREAS AFFECTED...EASTERN CO AND WESTERN NE/KS  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 313...  
 
VALID 232209Z - 240015Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 313  
CONTINUES.  
 
SUMMARY...THE SEVERE THREAT IS EXPECTED TO INCREASE SUBSTANTIALLY  
INTO EARLY EVENING ACROSS THE CENTRAL HIGH PLAINS. VERY LARGE HAIL  
TO AROUND BASEBALL SIZE, A TORNADO OR TWO, AND LOCALIZED SEVERE  
GUSTS ARE POSSIBLE.  
 
DISCUSSION...A TRIO OF SUSTAINED SUPERCELL CORRIDORS IS ANTICIPATED  
THROUGH EARLY EVENING ACROSS THE CENTRAL HIGH PLAINS. THE FIRST AND  
NORTHERNMOST IS UNDERWAY OVER THE SOUTHWEST NE PANHANDLE/NORTHEAST  
COLORADO BORDER AREA. WITH SMALLER SURFACE TEMPERATURE-DEW POINT  
SPREADS, THIS CORRIDOR WILL HAVE THE BEST CHANCE AT PRODUCING A  
TORNADO OR TWO THROUGH 01-02Z, ESPECIALLY WITH ANY RIGHT-MOVER IN  
NORTHEAST CO. A SEPARATE SUSTAINED SUPERCELL SHOULD EVOLVE OFF THE  
PALMER DIVIDE IN EAST-CENTRAL CO AND EVENTUALLY SPREAD INTO  
WEST-CENTRAL KS. THE SOUTHERNMOST AND LATER DEVELOPING CONVECTION  
SHOULD OCCUR ALONG THE SOUTHEAST CO/SOUTHWEST KS BORDER AND MAY  
EVENTUALLY SHIFT EAST-SOUTHEAST. WITH A STOUT EML YIELDING  
INCREASING MLCIN WITH EASTERN EXTENT, IT IS LIKELY THAT ONLY A FEW  
SUPERCELLS WILL BE SUSTAINED. BUT THE VERY STEEP MID-LEVEL LAPSE  
RATES (NEAR 9 C/KM) AND 45-50 KT EFFECTIVE SHEAR WILL SUPPORT  
INTENSE MID-LEVEL ROTATION WITH VERY LARGE HAIL AS THE PRIMARY  
HAZARD.  
 
..GRAMS.. 05/23/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...LBF...DDC...GLD...AMA...PUB...BOU...CYS...  
 
LAT...LON 41320365 41640362 41980339 42150259 41880201 40710153  
39130132 37590121 37040119 36900163 37120242 37460238  
38200265 39100326 40270324 40820349 41320365  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...2.00-3.50 IN  
 
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