107  
ACUS11 KWNS 110253  
SWOMCD  
SPC MCD 110252  
OHZ000-110415-  
 
MESOSCALE DISCUSSION 1915  
NWS STORM PREDICTION CENTER NORMAN OK  
0952 PM CDT MON AUG 10 2026  
 
AREAS AFFECTED...PARTS OF OH  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 560...  
 
VALID 110252Z - 110415Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 560  
CONTINUES.  
 
SUMMARY...A SEVERE HAIL/WIND THREAT CONTINUES THIS EVENING ACROSS  
PARTS OF OHIO, BUT THE NEED FOR A DOWNSTREAM WATCH REMAINS  
UNCERTAIN.  
 
DISCUSSION...TWO SLOW-MOVING CLUSTERS HAVE BECOME THE PRIMARY SEVERE  
RISK THIS EVENING ACROSS WESTERN OH. WHILE A VERY UNSTABLE AIRMASS  
REMAINS IN PLACE AHEAD OF THIS ACTIVITY (MLCAPE UP TO 3000-3500+  
J/KG PER RECENT MESOANALYSIS), A LACK OF RECENT WIND REPORTS  
SUGGESTS THAT THESE THUNDERSTORMS MAY BE SLIGHTLY ELEVATED. EVEN SO,  
MODEST LOW-LEVEL SOUTHWESTERLIES VEERING TO WEST-NORTHWESTERLY AND  
GRADUALLY STRENGTHENING WITH HEIGHT THROUGH MID LEVELS WILL CONTINUE  
TO FOSTER AROUND 30-35 KT OF DEEP-LAYER SHEAR (REFERENCE THE 00Z ILN  
OBSERVED SOUNDING). THIS SHOULD BE SUFFICIENT FOR CONTINUED UPDRAFT  
ORGANIZATION, WITH OCCASIONAL SEVERE/DAMAGING WINDS THE PRIMARY  
THREAT GIVEN THE ONGOING CLUSTER MODE. ISOLATED HAIL ALSO APPEARS  
POSSIBLE WITH EMBEDDED STRONGER CORES. THESE CLUSTERS WILL SPREAD  
EAST-SOUTHEASTWARD THIS EVENING ACROSS CENTRAL OH, AND WILL  
EVENTUALLY ENCOUNTER A LESS UNSTABLE AIRMASS INTO FAR EASTERN OH AND  
WV, WHERE PRIOR CONVECTIVE OVERTURNING OCCURRED EARLIER TODAY.  
THEREFORE, THE POTENTIAL FOR ORGANIZED SEVERE CONVECTION PERSISTING  
EAST OF SEVERE THUNDERSTORM WATCH 560 REMAINS UNCERTAIN, AS DOES THE  
NEED FOR A DOWNSTREAM WATCH.  
 
..GLEASON.. 08/11/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...PBZ...RLX...CLE...ILN...IWX...  
 
LAT...LON 40578471 41368423 40398171 40078152 39498176 39488224  
40038453 40578471  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
 
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