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Jan- 7-2004 1300 UTC Day 1 Convective Outlook
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1300 UTC Day 1 Outlook Graphic
      
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   SPC AC 071257
   
   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0657 AM CST WED JAN 07 2004
   
   VALID 071300Z - 081200Z.
   
   ...NO TSTM AREAS FORECAST...
   
   ...SW TEXAS...
   SFC HIGH PRESSURE WILL BEGIN TO LOSE ITS INFLUENCE ON THE GREAT
   PLAINS TODAY AS THE LARGE-UPPER TROUGH SHIFTS EWD AWAY FROM THE
   CNTRL US. RETURN FLOW WILL SETUP BY THIS EVENING AS A LEE TROUGH
   DEVELOPS ACROSS WEST TEXAS. AS A SHORTWAVE ORGANIZES ACROSS NRN
   MEXICO TONIGHT...LIFTED INDICES SHOULD DECREASE TO NEAR ZERO IN THE
   DEL RIO AREA. LARGE-SCALE ASCENT WILL ALSO INCREASE ACROSS THE MTNS
   OF NRN MEXICO AND ISOLATED THUNDERSTORMS SHOULD DEVELOP AND MOVE EWD
   TOWARD THE RIO GRANDE RIVER LATE THIS EVENING. HOWEVER...DUE TO THE
   ISOLATED NATURE OF THE CONVECTION AND UNCERTAINTIES REGARDING THE
   SYSTEMS SPEED...WILL NOT ISSUE A THUNDER CONTOUR IN THIS AREA ATTM.
   
   ...WEST COAST...
   ANOTHER AREA OF WEAK INSTABILITY WILL MOVE ONSHORE ACROSS NRN CA AND
   ORE. STRONG LIFT AHEAD OF AN UPSTREAM SHORTWAVE WILL RESULT IN
   WIDESPREAD PRECIPITATION. A FEW LIGHTNING STRIKES WILL BE POSSIBLE
   IN THE HEAVIER RAINFALL BUT ANY THUNDERSTORMS SHOULD REMAIN TOO
   ISOLATED FOR A THUNDER CONTOUR IN THIS REGION.
   
   ..BROYLES/GUYER.. 01/07/2004
   
   ...NOTICE...
   FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND
   LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK
   GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO
   HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3.  THE
   INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED.
   
   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED FOR 1630Z
        
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