981  
ACUS11 KWNS 220435  
SWOMCD  
SPC MCD 220434  
OKZ000-220630-  
 
MESOSCALE DISCUSSION 1246  
NWS STORM PREDICTION CENTER NORMAN OK  
1134 PM CDT SUN JUN 21 2026  
 
AREAS AFFECTED...NORTHWEST INTO CENTRAL OK  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 372...  
 
VALID 220434Z - 220630Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 372  
CONTINUES.  
 
SUMMARY...AN INTENSE BOW ECHO AND REAR INFLOW JET WILL BE CAPABLE OF  
80-100 MPH GUSTS, POTENTIALLY AS FAR SOUTHEAST AS THE OKC METRO.  
 
DISCUSSION...RADAR MOSAIC SHOWS A MATURE AND INTENSE BOW ECHO AND  
ASSOCIATED REAR INFLOW JET OVER NORTHWEST OK LATE THIS EVENING. THE  
AIRMASS AHEAD OF THIS IS VERY UNSTABLE WITH 3000-4000 J/KG MLCAPE.  
AMPLE MID TO HIGH-LEVEL NORTHWESTERLY FLOW AND A VERY MOISTURE-RICH  
BOUNDARY LAYER WILL FAVOR FURTHER INTENSIFICATION AND MAINTENANCE OF  
THIS BOW ECHO SOUTHEASTWARD INTO CENTRAL OK. RECENT HRRR MODELS  
RUNS ARE CONGRUENT WITH THIS OVERALL CONVECTIVE EVOLUTION. PEAK  
GUSTS OF 80-100 MPH ARE FORECAST WITH THE BOW ECHO. MESOVORTICES  
WITHIN THE LINE WILL ALSO FOCUS INTENSE WIND SWATHS AND PERHAPS  
YIELD A BRIEF TORNADO OR TWO.  
 
..SMITH.. 06/22/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...OUN...  
 
LAT...LON 35509847 36219958 36489909 36919883 36339754 35949724  
35499747 35399789 35509847  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH  
MOST PROBABLE PEAK WIND GUST...85-100 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
 
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