444  
ACUS11 KWNS 272238  
SWOMCD  
SPC MCD 272237  
COZ000-272330-  
 
MESOSCALE DISCUSSION 1013  
NWS STORM PREDICTION CENTER NORMAN OK  
0537 PM CDT TUE MAY 27 2025  
 
AREAS AFFECTED...EASTERN COLORADO  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 272237Z - 272330Z  
 
PROBABILITY OF WATCH ISSUANCE...40 PERCENT  
 
SUMMARY...MARGINAL RISK FOR HAIL AND GUSTY WINDS WITH THUNDERSTORMS  
MOVING OUT OF THE HIGH TERRAIN THIS EVENING.  
 
DISCUSSION...THUNDERSTORM ACTIVITY HAS BEEN ONGOING ACROSS THE FRONT  
RANGE THIS AFTERNOON, WITH OCCASIONAL STRONGER CORES EVIDENT ON  
RADAR. ACTIVITY SHOULD MOVE OUT OF THE HIGH TERRAIN ACROSS EASTERN  
COLORADO THIS EVENING. FORECAST SOUNDINGS ARE CHARACTERIZED BY STEEP  
LAPSE RATES, MODEST DEEP LAYER SHEAR, AND SUFFICIENT INSTABILITY TO  
PROMOTE SOME INSTANCES OF SEVERE HAIL AND GUSTY WINDS. GUIDANCE ALSO  
SUGGESTS SOME POTENTIAL FOR CLUSTERING AND ATTEMPTS AT UPSCALE  
GROWTH, WHICH WOULD INCREASE WIND POTENTIAL. TRENDS WILL BE  
MONITORED THIS EVENING ACROSS THIS REGION FOR WATCH POTENTIAL, BUT  
CONFIDENCE IN CONVECTIVE EVOLUTION IS LOW AT THIS TIME.  
 
..THORNTON/MOSIER.. 05/27/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...GLD...PUB...BOU...  
 
LAT...LON 39420537 40030553 40270536 40660467 40750406 40340338  
39530267 38580207 37450207 37040243 37000375 37410425  
39420537  
 
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
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