852  
ACUS11 KWNS 242344  
SWOMCD  
SPC MCD 242343  
WYZ000-250145-  
 
MESOSCALE DISCUSSION 1431  
NWS STORM PREDICTION CENTER NORMAN OK  
0643 PM CDT TUE JUN 24 2025  
 
AREAS AFFECTED...PARTS OF WYOMING  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 242343Z - 250145Z  
 
PROBABILITY OF WATCH ISSUANCE...20 PERCENT  
 
SUMMARY...ISOLATED SUPERCELLS ARE POSSIBLE THIS EVENING. HAIL, WIND,  
AND PERHAPS A BRIEF TORNADO ARE THE MAIN THREATS. STORM COVERAGE  
SHOULD BE TOO SPARSE TO WARRANT A WATCH.  
 
DISCUSSION...SATELLITE IMAGERY SUGGESTS A VERY WEAK DISTURBANCE MAY  
BE EJECTING NORTHEAST ACROSS EASTERN ID/NORTHWESTERN WY. SOME  
FLATTENING OF THE HEIGHT FIELD IS EXPECTED ACROSS NORTHERN WY OVER  
THE NEXT FEW HOURS. SOUTHEASTERLY BOUNDARY-LAYER FLOW ACROSS THE  
PLAINS HAS FORCED MOISTURE DEEP INTO CENTRAL WY, AND UP AGAINST THE  
BIG HORN MOUNTAINS. WHILE SURFACE-BASED PARCELS ARE LIKELY CAPPED  
EAST OF THE HIGHER TERRAIN, ONE LONE SUPERCELL HAS DEVELOPED OVER  
NATRONA COUNTY, WHILE DEEPENING CU FIELD IS NOTED OVER EASTERN  
FREMONT COUNTY. SEVERE HAIL IS LIKELY NOTED WITH THE NATRONA STORM,  
AND IS POSSIBLE WITH ANY SUPERCELLS THIS EVENING. THERE IS SOME  
CONCERN THE SOUTHERN INFLUENCE OF THE AFOREMENTIONED SHORT WAVE MAY  
ENCOURAGE ANOTHER STORM OR TWO TO FORM ALONG THE SOUTHERN PORTIONS  
OF THE BIG HORNS OVER THE NEXT FEW HOURS. IF SO, THIS ACTIVITY WOULD  
SPREAD INTO PORTIONS OF NORTHEAST WY WHERE SHEAR PROFILES FAVOR  
SUPERCELLS, BUT THE BOUNDARY LAYER IS A BIT COOLER. AT THIS TIME IT  
APPEARS ACTIVITY MAY PROVE TOO SPARSE TO WARRANT A WATCH.  
 
..DARROW/SMITH.. 06/24/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...UNR...CYS...RIW...  
 
LAT...LON 43240705 44220591 43310502 42750628 43240705  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN  
 
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