200  
ACUS11 KWNS 051929  
SWOMCD  
SPC MCD 051929  
OHZ000-INZ000-052000-  
 
MESOSCALE DISCUSSION 1757  
NWS STORM PREDICTION CENTER NORMAN OK  
0129 PM CST SUN NOV 05 2017  
 
AREAS AFFECTED...WEST-CENTRAL OH  
 
CONCERNING...TORNADO WATCH 511...  
 
VALID 051929Z - 052000Z  
 
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 511 CONTINUES.  
 
SUMMARY...MERCER COUNTY, OH TORNADIC SUPERCELL WILL CONTINUE TO MOVE  
EAST-NORTHEAST IN A FAVORABLE ENVIRONMENT AS IT APPROACHES THE I-75  
CORRIDOR IN THE NEXT HOUR.  
 
DISCUSSION...KIWX RADAR DATA SHOW A LONGER TRACK TORNADIC  
CIRCULATION IN MERCER COUNTY, OH. THE SURFACE OBSERVATION AT  
GREENVILLE, OH SHOWED WINDS SLIGHTLY BACKING TO SOUTHERLY IN THE  
PAST HOUR---EFFECTIVELY ENLARGING HODOGRAPH SIZE. THE MIDDLE 60S  
DEWPOINTS WITHIN THE STRONG LOW-LEVEL SHEAR ENVIRONMENT WILL  
CONTINUE TO SUPPORT AND BE FAVORABLE FOR TORNADO POTENTIAL FOR THE  
NEXT HOUR OR MORE AS THE STORM MOVES TO I-75. THIS STORM WILL  
LIKELY CONTINUE TO BE UNIMPEDED BY OTHER CONVECTION FOR THE NEXT 1-2  
HOUR OR MORE GIVEN ITS WARM SECTOR PLACEMENT AHEAD OF A SQUALL LINE  
OVER NORTH-CENTRAL IN. THE PRIMARY HAZARDS WILL BE A TORNADO AND  
DAMAGING WINDS.  
 
..SMITH.. 11/05/2017  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...ILN...IWX...  
 
LAT...LON 40568481 40768404 40718380 40558385 40398478 40568481  
 
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