Apr 21, 2014 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
   0753 AM CDT MON APR 21 2014

   VALID 211300Z - 221200Z

   ...THERE IS A SLGT RISK OF SVR TSTMS PORTIONS ARKLATEX REGION TO
   S-CENTRAL/SW TX...

   ...SUMMARY...
   ISOLATED SEVERE STORMS MAY DEVELOP FROM PARTS OF THE ARKLATEX REGION
   TO SOUTH-CENTRAL TEXAS THIS AFTERNOON AND EVENING.

   ...SYNOPSIS...
   IN MID-UPPER LEVELS...SPLIT-FLOW PATTERN STILL IS APPARENT OVER
   CONUS...BUT WITH SOME PHASING BETWEEN TROUGHING IN NRN AND SRN
   STREAM OVER CENTRAL CONUS.  NRN-STREAM TROUGH -- NOW EVIDENT IN
   MOISTURE-CHANNEL IMAGERY OVER MB/ONT BORDER AND SWD OVER MN -- IS
   FCST TO EXTEND FROM NERN ONT TO LOWER MI BY 12Z. 
   MEANWHILE...SRN-STREAM PERTURBATION -- CURRENTLY LOCATED OVER OK AND
   N TX -- WILL DEAMPLIFY SOMEWHAT WHILE MOVING SEWD OVER ARKLATEX
   REGION TO SRN AR...NRN LA AND E TX.  NEAR END OF
   PERIOD...HIGH-AMPLITUDE SHORTWAVE TROUGH NOW OVER NERN PAC WILL APCH
   W COAST.