872  
ACUS11 KWNS 022042  
SWOMCD  
SPC MCD 022042  
MTZ000-WYZ000-022215-  
 
MESOSCALE DISCUSSION 1541  
NWS STORM PREDICTION CENTER NORMAN OK  
0342 PM CDT WED JUL 02 2025  
 
AREAS AFFECTED...SOUTHERN/CENTRAL MT  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 022042Z - 022215Z  
 
PROBABILITY OF WATCH ISSUANCE...40 PERCENT  
 
SUMMARY...ERRATIC AND ISOLATED SEVERE GUSTS WILL REMAIN POSSIBLE  
ACROSS A BROAD PORTION OF SOUTHERN TO CENTRAL MONTANA OVER THE NEXT  
FEW HOURS. WHETHER SUFFICIENT COVERAGE/ORGANIZATION POTENTIAL WILL  
EXIST FOR A SEVERE THUNDERSTORM WATCH IS UNCERTAIN.  
 
DISCUSSION...ISOLATED THUNDERSTORMS HAVE BEEN GRADUALLY INCREASING  
ACROSS THE HIGHER TERRAIN OF SOUTHWEST/SOUTH-CENTRAL MT. DESPITE  
MEAGER BUOYANCY AND MODEST DEEP-LAYER SHEAR, ONE INITIAL CELL  
PRODUCED A MEASURED SEVERE GUST OF 64 KTS AT KDLN. THIS ACTIVITY IS  
EXPECTED TO SPREAD NORTHWARD, MAINLY ACROSS THE CENTRAL PORTION OF  
MT, INTO EARLY EVENING WHERE THE DOWNSTREAM AIRMASS IS SLIGHTLY MORE  
UNSTABLE. WITH 40-50 F SURFACE TEMPERATURE-DEW POINT SPREADS,  
SPORADIC SEVERE GUSTS ARE THE EXPECTED HAZARD. COVERAGE OF BOTH  
CONVECTION AND ORGANIZATIONAL POTENTIAL IS UNCERTAIN. SHORT-TERM  
GUIDANCE SUGGEST SEVERE GUST POTENTIAL MAY REMAIN ERRATIC WITH  
RELATIVELY DISORGANIZED CONVECTION. IT IS POSSIBLE THAT A LOOSELY  
ORGANIZED CLUSTER MIGHT EVOLVE TO THE NORTH-NORTHEAST AT SOME POINT  
DURING THE EARLY EVENING, WHICH WOULD RAISE THE POTENTIAL OF  
DOWNSTREAM WATCH ISSUANCE.  
 
..GRAMS/MOSIER.. 07/02/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...BYZ...GGW...RIW...TFX...MSO...  
 
LAT...LON 48390825 47450806 45610827 45120967 44811229 45111259  
46041309 46981319 47801197 48501044 48390825  
 
MOST PROBABLE PEAK WIND GUST...65-80 MPH  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SPC Page Main Text Page