817  
ACUS11 KWNS 230120  
SWOMCD  
SPC MCD 230119  
NEZ000-COZ000-WYZ000-230215-  
 
MESOSCALE DISCUSSION 0937  
NWS STORM PREDICTION CENTER NORMAN OK  
0819 PM CDT THU MAY 22 2025  
 
AREAS AFFECTED...EASTERN WYOMING...NORTHEASTERN COLORADO...WESTERN  
NEBRASKA  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 230119Z - 230215Z  
 
PROBABILITY OF WATCH ISSUANCE...5 PERCENT  
 
SUMMARY...ISOLATED WIND AND HAIL RISK POSSIBLE OVER THE NEXT COUPLE  
OF HOURS.  
 
DISCUSSION...A CLUSTER OF THUNDERSTORMS HAVE DEVELOPED AND  
STRENGTHENED ACROSS EASTERN WYOMING NEAR A GRADIENT OF MLCAPE AROUND  
250-500 J/KG. WITHIN THIS REGION, MOISTURE AND FORCING REMAINS  
OVERALL LIMITED, WITH DEW POINTS IN THE UPPER 40S TO 50S. LACK OF  
DEEPER MOISTURE, LOSS OF DAYTIME HEATING, AND LACK UPPER LEVEL  
SUPPORT WILL LIKELY KEEP THE OVERALL SEVERE THREAT LOW. GIVEN DEEP  
LAYER SHEAR AROUND 45-50 KTS, A FEW BRIEFLY ORGANIZED STORMS MAY  
PRODUCE INSTANCES OF HAIL AND GUSTY WIND WILL BE POSSIBLE,HOWEVER, A  
WATCH IS UNLIKELY TO BE NEEDED.  
 
..THORNTON/HART.. 05/23/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...BOU...CYS...  
 
LAT...LON 41070474 41720461 42000410 41870318 41720312 40980319  
40340340 40210412 40710474 41070474  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH  
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
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