Day 1 Convective Outlook http://www.spc.noaa.gov/products/outlook/day1otlk.html

DAY 1 CONVECTIVE OUTLOOK  

   NWS STORM PREDICTION CENTER NORMAN OK
   0745 AM CDT SAT JUN 01 2013

   VALID 011300Z - 021200Z

   ...THERE IS A SLGT RISK OF SVR TSTMS TODAY THROUGH EARLY TONIGHT
   FROM CENTRAL/NE TX TO THE ARKLAMISS AND OH VALLEY...

   ...TX TO THE OH VALLEY TODAY THROUGH EARLY TONIGHT...
   THE PREVIOUSLY CLOSED MIDLEVEL LOW IS IN THE PROCESS OF EVOLVING
   INTO AN OPEN WAVE WHICH WILL PROGRESS FROM THE UPPER MS VALLEY AND
   CENTRAL PLAINS THIS MORNING TO THE GREAT LAKES AND OH VALLEY BY
   SUNDAY MORNING.  AN ASSOCIATED SURFACE LOW WILL DEVELOP EWD FROM ERN
   MN TO NRN LOWER MI...WHILE A TRAILING COLD FRONT MOVES SEWD ACROSS
   TX/OK AS WELL AS THE MID MS AND LOWER OH VALLEYS.  WHILE THE SURFACE
   COLD FRONT WILL BE A FOCUS FOR POSSIBLE THUNDERSTORM DEVELOPMENT
   TODAY...THE PRE-FRONTAL WARM SECTOR HAS BEEN ALTERED SUBSTANTIALLY
   BY WIDESPREAD OVERNIGHT CONVECTION.  THE OUTFLOW BOUNDARY FROM THE
   STORMS EXTENDS FROM SE OK ACROSS WRN/NRN AR TO NW TN AND WRN
   KY...WITH A MORE DIFFUSE CONVECTIVE BOUNDARY/COLD POOL EXTENDING
   NNEWD ACROSS SE INDIANA AND WRN OH.