105  
ACUS11 KWNS 122155  
SWOMCD  
SPC MCD 122155  
ARZ000-TXZ000-OKZ000-122300-  
 
MESOSCALE DISCUSSION 2288  
NWS STORM PREDICTION CENTER NORMAN OK  
0455 PM CDT SAT SEP 12 2026  
 
AREAS AFFECTED...EXTREME SOUTHEAST OKLAHOMA INTO SOUTHERN ARKANSAS  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 122155Z - 122300Z  
 
PROBABILITY OF WATCH ISSUANCE...5 PERCENT  
 
SUMMARY...A COUPLE OF DAMAGING GUSTS ARE POSSIBLE WITH THE STRONGER  
DOWNBURSTS, ESPECIALLY IF STORMS CAN CONTINUE TO MERGE. HOWEVER, THE  
SEVERE THREAT SHOULD REMAIN SPARSE, WITH A SEVERE THUNDERSTORM WATCH  
ISSUANCE NOT EXPECTED.  
 
DISCUSSION...MULTIPLE PULSE CELLS AND MULTICELLS HAVE INTENSIFIED  
OVER THE PAST FEW HOURS, AND ARE BEGINNING TO SHOW SIGNS OF POSSIBLE  
LARGER SCALE MERGING. IF THIS OCCURS, AMPLE EVAPORATIVE COOLING  
POTENTIAL EXISTS WITH COLD POOL MERGERS GIVEN A WELL-MIXED BOUNDARY  
LAYER, CHARACTERIZED BY 20-30 F T/TD SPREADS AND OVER 1500 J/KG  
DCAPE. DAMAGING GUSTS MAY OCCUR WITH THE STRONGER DOWNBURSTS AND AT  
THE INTERSECTIONS OF THUNDERSTORM OUTFLOW BOUNDARIES. NONETHELESS,  
THE SEVERE THREAT SHOULD REMAIN ISOLATED AT BEST, AND A SEVERE  
THUNDERSTORM WATCH ISSUANCE IS NOT EXPECTED.  
 
..SQUITIERI/SMITH.. 09/12/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...JAN...LZK...SHV...TSA...  
 
LAT...LON 34599526 34889376 34819258 34429200 33829175 33339192  
33129257 33069311 33199375 33989500 34599526  
 
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
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