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Apr-11-2003 0100 UTC Day 1 Convective Outlook
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0100 UTC Day 1 Outlook Graphic
      
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   STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK 
   DAY 1 CONVECTIVE OUTLOOK...REF AWIPS GRAPHIC PGWE46 KWNS.
   
   VALID 110100Z - 111200Z
   
   NO SVR TSTM AREAS FCST.
   
   GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 25 SE EWN 15 W GSB
   20 WSW GSO 15 NNW PSK 10 NE EKN AOO 30 SSW AVP 25 NE NEL.
   
   GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 30 SE MFR 50 E EUG
   35 NNW RDM 35 ENE RDM 70 WSW BNO 10 NNW 4LW 40 SSE LMT 30 SE MFR.
   
   
   
   ...MIDDLE ATLANTIC...
   
   REGIONAL RADAR/SATELLITE IMAGERY SUGGEST CENTER OF UPPER LOW IS
   WOBBLING SLIGHTLY WEST OF NORTH ALONG THE SC/NC BORDER NEAR CLT. 
   WITH COOL BOUNDARY LAYER AIR MASS WEDGED EAST OF THE
   MOUNTAINS...LOW LEVEL WARM ADVECTION HAS PROVEN THE PRIMARY REASON
   FOR ASCENT/CONVECTION LIFTING NWD ACROSS VA.  AS ELY LLJ WEAKENS
   ACROSS THIS REGION IT APPEARS CONVECTIVE THREAT WILL SLOWLY
   DECREASE...ESPECIALLY AFTER MIDNIGHT.  PROBABILITY FOR ADDITIONAL
   THUNDERSTORM DEVELOPMENT SOUTH OF THE FRONT OVER NC/SC IS NOW
   MINIMAL GIVEN THE LOSS OF HEATING.
   
   ...CASCADES...
   
   00Z SOUNDINGS ACROSS THE PACIFIC NW AND NRN GREAT BASIN DEPICT
   DEEPENING BOUNDARY LAYER AND INCREASING INSTABILITY...GENERALLY ON
   THE ORDER OF 100-200 J/KG.  ISOLATED THUNDERSTORMS MAY PERSIST
   ALONG THE CASCADES FOR THE NEXT FEW HOURS BEFORE INSTABILITY
   DECREASES DUE TO DIURNAL COOLING.
    
   ..DARROW.. 04/11/03
   
   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED FOR 0600Z
        
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