Mar 16, 2014 1300 UTC Day 1 Convective Outlook,,,,,,,,,,,,,,,,,,,,http://www.spc.noaa.gov/products/outlook/day1otlk.html

SPC AC 161243

   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0743 AM CDT SUN MAR 16 2014

   VALID 161300Z - 171200Z

   ...THERE IS A SLGT RISK OF SVR TSTMS PORTIONS CENTRAL/ERN GULF
   COASTAL PLAIN...

   ...SYNOPSIS...
   MID-UPPER LEVEL PATTERN FEATURES HIGH-AMPLITUDE RIDGE WITH BROADLY
   ANTICYCLONIC FLOW FIELD COVERING MUCH OF WRN CONUS. 
   DOWNSTREAM...COMPLEX SERIES OF SHORTWAVES IS CONTRIBUTING TO
   POSITIVELY TILTED SYNOPTIC-SCALE TROUGHING THAT EXTENDS FROM JAMES
   BAY VORTEX SWWD ACROSS UPPER GREAT LAKES...MO...TX...AND NRN MEX. 
   LEADING SHORTWAVE TROUGH -- CURRENTLY LOCATED INVOF OK/AR BORDER --
   IS FCST TO DEAMPLIFY TODAY WHILE MOVING EWD ACROSS AR...DISSIPATING
   TONIGHT OVER TN.  WEAKER PERTURBATION -- NOW EVIDENT IN
   MOISTURE-CHANNEL IMAGERY OVER COAHUILA -- IS EXPECTED TO EJECT ENEWD
   ACROSS TX COAST BY 00Z BEFORE WEAKENING.  

   MAIN SHORTWAVE TROUGH IS PIVOTING SEWD OVER FAR W TX AND CHIHUAHUA
   ATTM...AND WILL PHASE WITH STILL ANOTHER PERTURBATION NOW DIGGING
   SSEWD OVER CENTRAL PLAINS.  BY 00Z...COMBINED 500-MB TROUGH SHOULD
   EXTEND FROM CENTRAL OK SSWWD ACROSS W-CENTRAL TX AND N-CENTRAL MEX. 
   BY 12Z...THIS FEATURE IS FCST NEAR MEM-VCT-LRD LINE.