Day 2 Convective Outlook((( For Wednesday june 12,2013)))

DAY 2 CONVECTIVE OUTLOOK  

   NWS STORM PREDICTION CENTER NORMAN OK
   1232 PM CDT TUE JUN 11 2013

   VALID 121200Z - 131200Z

   ...THERE IS A MDT RISK OF SVR TSTMS FROM PARTS OF IL...IND INTO
   OH...

   ...THERE IS A SLGT RISK OF SVR TSTMS OVER A LARGE PART OF THE OH
   VALLEY...SRN GREAT LAKES AND MID ATLANTIC...

   ...THERE IS A SLGT RISK OF SVR TSTMS OVER A PORTION OF THE NRN
   ROCKIES REGION...

   ...SYNOPSIS...

   SYNOPTIC BLOCKING PATTERN WILL PERSIST INTO WEDNESDAY WITH AN UPPER
   RIDGE OVER THE CNTRL U.S. FLANKED BY MEAN TROUGHS OVER THE NWRN AND
   NERN STATES. A FAIRLY VIGOROUS SHORTWAVE TROUGH APPROACHING SWRN WY
   EARLY THIS AFTERNOON WILL CREST THE CNTRL U.S. UPPER RIDGE AND
   SUBSEQUENTLY MOVE SEWD INTO THE UPPER MS VALLEY WEDNESDAY AFTERNOON
   AND OH VALLEY WEDNESDAY EVENING. THIS FEATURE WILL INDUCE A WEAK SFC
   CYCLONE OVER THE MID MS VALLEY THAT WILL DEVELOP INTO THE OH VALLEY
   DURING THE EVENING. A WARM FRONT EXTENDING EWD FROM THE LOW SHOULD
   LIFT NWD THROUGH THE THROUGH THE OH VALLEY AND MID ATLANTIC DURING
   THE DAY...WHILE A COLD FRONT DROPS SWD THROUGH THE MID MS VALLEY AND
   CNTRL PLAINS REGION.