283  
ACUS11 KWNS 110744  
SWOMCD  
SPC MCD 110743  
OKZ000-KSZ000-110915-  
 
MESOSCALE DISCUSSION 1928  
NWS STORM PREDICTION CENTER NORMAN OK  
0243 AM CDT MON AUG 11 2025  
 
AREAS AFFECTED...PARTS OF SOUTHERN KS INTO NORTHERN OK  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 587...  
 
VALID 110743Z - 110915Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 587  
CONTINUES.  
 
SUMMARY...STRONG TO SEVERE GUSTS REMAIN POSSIBLE AS STORMS SHIFT  
EAST ACROSS SOUTHERN KS AND NORTHERN OK THE NEXT COUPLE OF HOURS.  
 
DISCUSSION...A WELL-ORGANIZED BOWING MCS WILL CONTINUE SHIFTING EAST  
THE NEXT FEW HOURS. THE DOWNSTREAM AIRMASS IS MODESTLY UNSTABLE,  
WITH LATEST MESOANALYSIS DATA INDICATING AROUND 1000-1500 J/KG  
MUCAPE. VERTICAL SHEAR ALSO WILL REMAIN SOMEWHAT MODEST, BUT  
SUFFICIENT FOR ORGANIZED CONVECTION, AT LEAST IN THE SHORT TERM.  
MEASURED SEVERE GUSTS IN SOUTHERN KS OVER THE PAST HOUR HAVE BEEN IN  
THE 60-70 MPH RANGE, AND THIS MAY PERSIST ANOTHER 1-2 HOURS GIVEN A  
WELL DEFINED REAR-INFLOW JET AND MATURE BOWING MCS. WITH TIME,  
GRADUAL WEAKENING IS EXPECTED ACROSS SOUTHEAST KS/NORTHEAST OK WHERE  
EARLIER AND ONGOING PRECIPITATION AHEAD OF THE MCS WILL LIKELY LIMIT  
DOWNSTREAM SEVERE, ESPECIALLY EAST OF THE I-35 CORRIDOR.  
 
..LEITMAN.. 08/11/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...TSA...ICT...OUN...DDC...  
 
LAT...LON 38359887 38449718 38069608 36689599 36209620 36169874  
36369934 37599944 38359887  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH  
MOST PROBABLE PEAK WIND GUST...65-80 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
 
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