Jul 26, 2013 0600 UTC Day 1 Convective Outlook

DAY 1 CONVECTIVE OUTLOOK  

   NWS STORM PREDICTION CENTER NORMAN OK
   1259 AM CDT FRI JUL 26 2013

   VALID 261200Z - 271200Z

   ...THERE IS A SLGT RISK OF SVR TSTMS FROM NRN TX INTO A PORTION OF
   THE LOWER MS VALLEY...

   ...THERE IS A SLGT RISK OF SVR TSTMS OVER A PORTION OF WI...

   ...SYNOPSIS...

   UPPER TROUGH IS EXPECTED TO UNDERGO SIGNIFICANT AMPLIFICATION OVER
   THE UPPER MS VALLEY AND GREAT LAKES REGION. SEVERAL VORTICITY MAXIMA
   WILL MOVE SEWD THROUGH BASE OF THE AMPLIFYING UPPER TROUGH. A COUPLE
   OF SUCH FEATURES ARE NOW DROPPING SWD INTO NRN MN AND NRN ND...AND
   WILL REACH THE WRN GREAT LAKES REGION EARLY IN THE PERIOD. A WEAK
   SFC LOW WILL DEVELOP NWD THROUGH THE GREAT LAKES...EVENTUALLY
   OCCLUDING OVER SRN ONTARIO. AS UPPER TROUGH AMPLIFIES...COLD FRONT
   WILL SHIFT SWD THROUGH THE WRN GREAT LAKES...MID MS VALLEY AND SRN
   PLAINS REGION. 

   ELSEWHERE...A SIGNIFICANT SHORTWAVE TROUGH CURRENTLY OVER KS WILL
   CONTINUE SEWD INTO THE LOWER MS VALLEY. A WEAK QUASI-STATIONARY
   FRONT WILL LIKELY PERSIST FROM THE GULF COAST STATES WNWWD INTO NERN
   TX DURING THE DAY.