May 20, 2013 1300 UTC Day 1 Convective Outlook http://www.spc.noaa.gov/products/outlook/day1otlk.html

DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0717 AM CDT MON MAY 20 2013
   
   VALID 201300Z - 211200Z
   
   ...THERE IS A MDT RISK OF SVR TSTMS THIS AFTERNOON AND TONIGHT OVER
   PARTS OF NORTH TX...CENTRAL AND EASTERN OK...NORTHWEST AR...EXTREME
   SOUTHEAST KS...AND SOUTHERN MO....
   
   ...THERE IS A SLGT RISK OF SVR TSTMS FROM CENTRAL TX INTO MUCH OF
   THE UPPER MS VALLEY AND GREAT LAKES REGION....