MESOSCALE DISCUSSION 0552
   NWS STORM PREDICTION CENTER NORMAN OK
   1248 AM CDT FRI MAY 14 2010
   
   AREAS AFFECTED...NRN OH
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 140548Z - 140715Z
   
   AN ISOLATED TORNADO OR TWO WILL BE POSSIBLE WITH ROTATING STORMS
   ALONG A STALLED OUTFLOW BOUNDARY/WARM FRONT ACROSS NRN OH.  THIS
   AREA WILL BE MONITORED FOR A POSSIBLE WATCH IN THE NEXT HOUR OR SO.
   
   ISOLATED THUNDERSTORMS HAVE PERSISTED ALONG THE NRN FRINGE OF THE
   WARM SECTOR FROM NE INDIANA INTO NW OH.  ONE STORM CLUSTER IN
   PARTICULAR /VAN WERT COUNTY OH/ APPEARS TO BE MOVING EWD ALONG A
   WEAK OUTFLOW BOUNDARY TRAILING WWD FROM CONVECTION NEAR CLE.  THE
   BACKGROUND ENVIRONMENT CONSISTS OF 500-750 J/KG SBCAPE AND LARGELY
   UNIDIRECTIONAL WSWLY WIND PROFILES WITH SUBSTANTIAL SPEED
   SHEAR...WITH SOMEWHAT ENHANCED LOW-LEVEL SHEAR ALONG THE OUTFLOW
   BOUNDARY/WARM FRONT.  THIS COMBINATION OF INGREDIENTS APPEARS AT
   LEAST MARGINALLY SUPPORTIVE OF CONTINUED SUPERCELL STRUCTURES WITH
   THE POTENTIAL FOR AN ISOLATED TORNADO OR TWO...ALONG WITH DAMAGING
   WINDS.  ADDITIONALLY...THE CONVECTION WILL BE SUPPORTED BY THE
   GLANCING INFLUENCE OF A MID-UPPER SPEED MAX EJECTING ENEWD FROM
   CENTRAL IL TOWARD NRN INDIANA/NW OH.
   
   ..THOMPSON.. 05/14/2010
   
   
   ATTN...WFO...PBZ...CLE...ILN...IWX...
   
   LAT...LON   40738037 40598170 40308338 40358486 40658480 41278405
               41348299 41308171 41398093 41238042 40968031 40778046
               40738037