391  
ACUS11 KWNS 072053  
SWOMCD  
SPC MCD 072053  
NDZ000-072300-  
 
MESOSCALE DISCUSSION 2265  
NWS STORM PREDICTION CENTER NORMAN OK  
0353 PM CDT MON SEP 07 2026  
 
AREAS AFFECTED...WESTERN/CENTRAL NORTH DAKOTA  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 072053Z - 072300Z  
 
PROBABILITY OF WATCH ISSUANCE...40 PERCENT  
 
SUMMARY...A CONDITIONAL SEVERE THREAT MAY EVOLVE THIS  
AFTERNOON/EVENING.  
 
DISCUSSION...A CUMULUS FIELD ACROSS NORTHERN/CENTRAL NORTH DAKOTA  
HAS BECOME INCREASINGLY AGITATED THIS AFTERNOON, WITH ATTEMPTS AT  
INITIATION. AT LEAST ONE TOWER HAS SUSTAINED WITH REFLECTIVELY NOW  
ON RADAR. AIR MASS RECOVERY HAS BEEN ONGOING THROUGH THE AFTERNOON  
ACROSS THIS REGION AFTER MORNING CONVECTION. TEMPERATURES WARMED  
BACK INTO THE 80S TO 90S ALONG AND WEST OF A PSEUDO DRYLINE/COLD  
FRONTAL BOUNDARY/SURFACE LOW INTERFACE.  
 
FORCING FOR ASCENT IS OVERALL WEAK, WITH THE VORTICITY MAX UPSTREAM  
ACROSS MONTANA FOR NOW, BUT WILL INCREASE THIS EVENING WITH THE  
INCREASING LOW-LEVEL JET. THE 18Z RAOB FROM BIS SAMPLED A MODERATELY  
UNSTABLE AIR MASS WITH A CLOCKWISE TURNING HODOGRAPH AND AMPLE DEEP  
LAYER SHEAR. CONDITIONALLY, THE MODERATELY UNSTABLE AND STRONGLY  
SHEARED ENVIRONMENT WOULD SUPPORT SUPERCELLS, CAPABLE OF LARGE HAIL,  
DAMAGING WIND, AND PERHAPS A TORNADO. TRENDS IN CAM GUIDANCE THROUGH  
THE DAY FOR LESS AND LESS CONVECTIVE SIGNAL LEAD TO LOW CONFIDENCE  
IN THE OVERALL SCENARIO, BUT, IT DOES APPEAR THAT AT LEAST ISOLATED  
SUPERCELLS MAY DEVELOP. THIS AREA WILL BE MONITORED FOR WATCH  
POTENTIAL.  
 
..THORNTON/HART.. 09/07/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...FGF...BIS...  
 
LAT...LON 48970357 48390318 48000291 47590259 47030200 46630134  
46500091 46610039 47119992 48019955 48689997 48830025  
49040095 48970357  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH  
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN  
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