907  
ACUS11 KWNS 262155  
SWOMCD  
SPC MCD 262154  
KSZ000-NEZ000-COZ000-262330-  
 
MESOSCALE DISCUSSION 2142  
NWS STORM PREDICTION CENTER NORMAN OK  
0454 PM CDT WED AUG 26 2026  
 
AREAS AFFECTED...PARTS OF SOUTHWESTERN NE INTO FAR NORTHWESTERN KS  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 262154Z - 262330Z  
 
PROBABILITY OF WATCH ISSUANCE...40 PERCENT  
 
SUMMARY...ISOLATED INSTANCES OF LARGE HAIL AND LOCALLY SEVERE WIND  
GUSTS WILL BE POSSIBLE FOR THE NEXT COUPLE HOURS OR SO. STORM  
COVERAGE MAY REMAIN TOO LIMITED FOR A WATCH, THOUGH TRENDS ARE BEING  
MONITORED.  
 
DISCUSSION...WITHIN A ZONE OF BROADLY CONFLUENT LOW-LEVEL FLOW  
ACROSS PARTS OF SOUTHWESTERN NE, DIURNAL HEATING AMID LOWER 60S  
DEWPOINTS HAS AIDED IN THE DEVELOPMENT OF ISOLATED THUNDERSTORMS  
THIS AFTERNOON. A LONG/STRAIGHT HODOGRAPH (AROUND 35-40 KT OF  
EFFECTIVE SHEAR) AND STEEP MIDLEVEL LAPSE RATES/MODERATE  
SURFACE-BASED BUOYANCY MAY CONTINUE TO PROMOTE SPLITTING SUPERCELLS  
AND A RISK OF LARGE HAIL AND LOCALLY SEVERE WIND GUSTS. GIVEN  
MINIMAL LARGE-SCALE FORCING FOR ASCENT, OVERALL STORM COVERAGE MAY  
REMAIN TOO LIMITED FOR A WATCH. HOWEVER, GIVEN THE FAVORABLE  
ENVIRONMENT AND ONGOING MODE EVOLUTION, TRENDS ARE BEING MONITORED.  
 
..WEINMAN/SMITH.. 08/26/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...GID...LBF...GLD...BOU...  
 
LAT...LON 39560016 39830089 40380173 40670200 40960205 41180195  
41400155 41430113 40949999 40469938 39999943 39719971  
39560016  
 
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
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