MESOSCALE DISCUSSION 0962
   NWS STORM PREDICTION CENTER NORMAN OK
   0345 PM CDT WED MAY 25 2011
   
   AREAS AFFECTED...NRN OH...WRN PA
   
   CONCERNING...TORNADO WATCH 372...
   
   VALID 252045Z - 252145Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 372 CONTINUES.
   
   THE SEVERE THREAT CURRENTLY IN THE NRN PART OF WW 372 IS EXPECTED TO
   DEVELOP EWD ACROSS NRN OH AND MAY REACH WRN PA BY EARLY THIS
   EVENING. THE STRONGER CELLS MAY HAVE A TORNADO THREAT. WIND DAMAGE
   AND HAIL WILL BE LIKELY WITH THE MORE INTENSE STORMS. WW ISSUANCE
   WILL BE POSSIBLE TO THE EAST OF TORNADO WATCH 372.
   
   A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS IS ONGOING IN NRN OH
   ALONG THE NOSE OF A 35 TO 45 KT LOW-LEVEL JET. THIS FEATURE IS
   FORECAST TO MOVE EWD INTO CNTRL OH WHERE A GRADIENT OF MODERATE
   INSTABILITY IS LOCATED. MESOANALYSIS ESTIMATED MLCAPE VALUES RANGE
   FROM 2000 J/KG IN CNTRL OH TO ABOUT 1000 J/KG IN NE OH. THIS
   ENVIRONMENT ALONG WITH MODERATE DEEP LAYER SHEAR PROFILES EVIDENT ON
   THE CLEVELAND WSR-88D VWP SHOULD SUPPORT A SEVERE THREAT. WIND
   DAMAGE WILL BE THE MOST LIKELY THREAT AS A LINE GRADUALLY APPROACHES
   THE ERN EDGE OF WW 372. HOWEVER...A THREAT FOR TORNADOES MAY ALSO
   EXIST ESPECIALLY AS LOW-LEVEL SHEAR INCREASES ACROSS THE REGION.
   
   ..BROYLES.. 05/25/2011
   
   
   ATTN...WFO...PBZ...CLE...ILN...DTX...IWX...
   
   LAT...LON   42108093 42058236 42128301 41878392 41478453 40808466
               40408394 40268316 40428180 40318027 40727976 41547989
               42108093