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Jan-23-2004 1730 UTC Day 2 Convective Outlook
Categorical Graphic
1730 UTC Day 2 Outlook Graphic
      
 
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1730 Day 2 Prob Graphic
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   SPC AC 231749
   
   DAY 2 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1149 AM CST FRI JAN 23 2004
   
   VALID 241200Z - 251200Z
   
   THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 25 SE
   DRT 40 E SJT 60 N ABI 20 SE SPS 40 SW DUA 20 NE ACT 45 ENE LFK 30
   ENE HEZ 40 N MSY 30 SSW HUM ...CONT... 55 S CRP LRD.
   
   GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 10 S DUG 45 NNW ALM
   35 SE CVS 50 N GAG 40 S EMP 25 SSW MKL 30 SW 0A8 35 SSE MOB.
   
   ...THERE IS A SLGT RISK OF SVR TSTMS FROM PORTIONS OF TX INTO THE
   LOWER MS VALLEY...
   
   ...SRN PLAINS THROUGH LOWER MS VALLEY...
   
   THE UPPER TROUGH OVER THE SWRN U.S. WILL EJECT EWD THROUGH THE SRN
   PLAINS AND LOWER MS VALLEY SATURDAY AND SATURDAY NIGHT AS ANOTHER
   IMPULSE DROPS INTO THE NWRN U.S.. SURFACE RIDGE IN PLACE OVER THE
   SERN U.S. WILL GRADUALLY SHIFT EWD WITH MOIST SLY BOUNDARY LAYER
   FLOW BECOMING ESTABLISHED OVER THE WRN GULF BY LATE TONIGHT.
   
   
   ELY LOW LEVEL FLOW CONTINUES TO ENTRAIN DRYER AIR INTO MUCH OF THE
   GULF WITH DEWPOINTS ONLY AROUND 60 OFF THE SERN TX COAST. THE AIR
   OVER THE GULF WILL HAVE LIMITED TIME TO MODIFY BEFORE SATURDAY
   AFTERNOON...BUT AS THE FLOW BECOMES MORE SLY...AN AXIS OF LOWER 60S
   DEWPOINTS WILL LIKELY DEVELOP AND ADVECT INLAND THROUGH E AND SERN
   TX. ISENTROPIC LIFT WILL INCREASE OVER ERN TX AS THE LOW LEVEL JET
   INTENSIFIES LATER TONIGHT RESULTING IN DEVELOPMENT OF WIDESPREAD
   CLOUDS AND PRECIPITATION. THIS IN ADDITION TO LIMITED LOW LEVEL
   MOISTURE RETURN WILL LIKELY LIMIT DEGREE OF DESTABILIZATION.
   
   POTENTIAL FOR SOME DESTABILIZATION WILL EXIST ACROSS CNTRL/ERN TX
   DURING THE AFTERNOON AS INITIAL AREA OF PRECIPITATION LIFTS NEWD
   TOWARD THE LOWER MS VALLEY. STEEPER LAPSE RATES ACCOMPANYING THE
   SHORTWAVE TROUGH AND POSSIBLE HEATING AHEAD OF SHARPENING DRYLINE
   MAY CONTRIBUTE TO AN AXIS OF MLCAPE BETWEEN 500 AND 1000 J/KG ACROSS
   CNTRL TX. ADDITIONAL STORMS ARE EXPECTED TO DEVELOP DURING THE
   AFTERNOON AS EJECTING SHORTWAVE TROUGH RESULTS IN INCREASING ASCENT
   AND DESTABILIZATION ALONG OR JUST AHEAD OF SHARPENING DRYLINE.
   THOUGH LOW LEVEL FLOW WILL LIKELY VEER SOMEWHAT AS SURFACE LOW
   DEEPENS FARTHER N...DEEP SHEAR WILL REMAIN SUPPORTIVE OF SUPERCELLS
   WITH DAMAGING WIND AND LARGE HAIL THE MAIN THREATS. ACTIVITY WILL
   LIKELY EVOLVE INTO A LOW TOPPED LINE AS IT CONTINUES EWD THROUGH
   SERN TX AND THE LOWER MS VALLEY. THOUGH INSTABILITY WILL LIKELY BE
   MORE MARGINAL IN THESE REGIONS...SHEAR WILL REMAIN SUPPORTIVE OF
   ORGANIZED STORMS INCLUDING EMBEDDED SUPERCELLS AND BOWS.
   
   SECONDARY AREA OF CONVECTION WILL BE POSSIBLE CLOSER TO THE UPPER
   LOW CENTER ACROSS NWRN TX INTO OK. POTENTIAL WILL EXIST FOR ISOLATED
   HAIL GIVEN COLD MID LEVEL TEMPERATURES AND STEEP LAPSE RATES...
   ESPECIALLY IF SEVERAL HOURS OF SURFACE HEATING OCCUR BEFORE
   INITIATION.
   
   ..DIAL.. 01/23/2004
   
   ...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 2 OUTLOOK IS SCHEDULED FOR 0800Z
        
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