110  
ACUS11 KWNS 252006  
SWOMCD  
SPC MCD 252006  
WYZ000-MTZ000-252200-  
 
MESOSCALE DISCUSSION 1314  
NWS STORM PREDICTION CENTER NORMAN OK  
0306 PM CDT THU JUN 25 2026  
 
AREAS AFFECTED...CENTRAL MONTANA  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 252006Z - 252200Z  
 
PROBABILITY OF WATCH ISSUANCE...5 PERCENT  
 
SUMMARY...SCATTERED LOOSELY ORGANIZED THUNDERSTORMS MAY POSE A RISK  
OF SPORADIC LARGE HAIL AND SEVERE GUSTS THROUGH EARLY EVENING. WATCH  
ISSUANCE IS NOT EXPECTED.  
 
DISCUSSION...CONVECTION HAS BEEN GRADUALLY INTENSIFYING WITHIN THE  
HIGHER TERRAIN OF CENTRAL MONTANA OVER THE PAST HOUR AS DIURNAL  
HEATING DRIVES INCREASING BUOYANCY AND UPSLOPE FLOW/OROGRAPHIC  
ASCENT. THIS ACTIVITY IS ALSO LARGELY FOCUSED UNDER THE UPPER-LEVEL  
THERMAL TROUGH WHERE 500 MB TEMPERATURES ARE AS COLD AS -15 C PER  
THE 18 UTC TFX RAOB. THESE COLD TEMPERATURES ALOFT ARE SUPPORTING A  
POCKET OF SOMEWHAT LIMITED BUOYANCY (MUCAPE OF ONLY AROUND 500-1000  
J/KG), BUT EVEN THIS MODEST BUOYANCY PROFILE MAY BE ADEQUATE TO  
ALLOW DEEPER CONVECTION TO BE INFLUENCED BY THE 25-30 KNOT MID-LEVEL  
FLOW INFERRED BY REGIONAL RAOBS WITH SOUTHWARD EXTENT. THIS MAY  
SUPPORT SOME TRANSIENT ORGANIZATION OF THE DEEPER, MORE INTENSE  
CORES WITH AN ATTENDANT THREAT FOR OCCASIONAL LARGE HAIL AND SEVERE  
GUSTS THROUGH EARLY EVENING. IN GENERAL, HOWEVER, THE OVERALL  
THERMODYNAMIC AND KINEMATIC ENVIRONMENT APPEARS TOO LIMITED FOR A  
PARTICULARLY WIDESPREAD OR PROLONGED SEVERE THREAT.  
 
..MOORE/GUYER.. 06/25/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...BYZ...RIW...TFX...MSO...  
 
LAT...LON 47881139 47391073 46511032 45741011 45171042 44911091  
44861166 45201207 45671265 46421318 46891341 47311344  
47671322 47871283 48021209 47881139  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
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