MESOSCALE DISCUSSION 1615
   NWS STORM PREDICTION CENTER NORMAN OK
   0252 PM CDT SAT JUN 28 2008
   
   AREAS AFFECTED...MID-UPR OH VLY
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 629...630...
   
   VALID 281952Z - 282145Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   629...630...CONTINUES.
   
   80+ KT MID-LVL SPEED MAX CONTINUES TO NOSE EWD INTO CNTRL IND THIS
   AFTN AND WILL CONTINUE EWD INTO OH THIS EVENING.  TSTMS HAVE BECOME
   MORE NUMEROUS ALONG WEAK LOW-LEVEL CONVERGENT ZONES WITHIN THE WARM
   SECTOR OVER MOST OF THE OH VLY.  BULK SHEAR WAS MINIMAL AND
   CONSIDERING THE POOR MID-TROPOSPHERIC LAPSE RATES...MULTICELLS WILL
   BE FAVORED.  HOWEVER...AS EVIDENCED ALREADY...LINE SEGMENTS WILL
   TEND TO MATURE...LINE-UP PERPENDICULAR TO THE MEAN FLOW
   REGIME...THEN BOW GIVING DMGG WIND GUSTS.  PRIMARY CORRIDOR OF
   CONCERN WILL BE ALONG THE AXIS OF THE WLY MID-LEVEL JET...NAMELY
   FROM NRN KY/SRN IND NWD INTO OH...WV AND PA THROUGH THE EVENING
   HOURS.
   
   ..RACY.. 06/28/2008
   
   
   ATTN...WFO...RNK...PBZ...RLX...CLE...MRX...JKL...ILN...LMK...IWX...IND...
   
   36748684 38528652 40028597 41718292 42328018 40687993
   38807969 37468087 36718405