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Aug-14-2003 2000 UTC Day 1 Convective Outlook
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2000 UTC Day 1 Outlook Graphic
      
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   ISSUED BY AFWA AT OFFUTT AFB NE...FOR SPC BACKUP 
   DAY 1 CONVECTIVE OUTLOOK...REF AWIPS GRAPHIC PGWE46 KWNS.
   
   VALID 142000Z - 151200Z
   
   THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM
   15 WSW YUM 10 NNW BLH 30 S IGM 10 SW FLG 10 SSW SOW 35 E SAD
   40 E DUG.
   
   GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 15 SW IPL 30 NW IPL
   45 WSW LAS 30 NW ENV 55 ENE SUN 10 ESE BZN 40 WSW 4BQ 35 NNE DGW
   35 NE CYS 30 SW LIC 35 NW GCK 50 N RSL 25 SW OTM 25 S MKE
   ...CONT... 45 NNW YNG 40 NE ORF.
   
   ...S CNTRL AZ...
   LOW TO MID LEVEL MOIST AXIS EXISTS FROM SRN AZ INTO SRN UT. AS
   MORNING CONVECTIVE DEBRIS HAS DIMISHED ACROSS THE REGION...SFC 
   HEATING COUPLED WITH DEWPOINTS IN THE UPPER 60S F HAS RESULTED IN
   INCREASINGLY UNSTABLE AIRMASS AND WEAKENING CAP. CONVECTION NOW
   DRIFTING SW OFF THE MOUNTAINS OF WRN NM APPEARS AIDED BY STRONG
   DIVERGENCE ON THE NOSE OF UPPER LEVEL NELY JET MAX AND THIS SHOULD
   RESULT IN ADDITIONAL CONVECTIVE DEVELOPMENT OVER THE NEXT SEVERAL
   HOURS. DEEP LAYER SHEAR WILL BECOME INCREASINGLY FAVORABLE FOR
   ORGANIZED STORMS/SUPERCELLS WITH ATTENDANT WIND DAMAGE AND HAIL
   THREAT. MEAN NELY FLOW...AND INCREASING INSTABILITY ACROSS THE SRN
   DESERTS COULD SUSTAIN STORMS WELL INTO THE EVENING.
     
   ...SRN FL...
   TROPICAL WAVE OVR ERN GULF WILL CONTINUE TO MOVE WWD INTO THE OPEN
   GULF. TSTMS OVR CNTRL AND SWRN FL WERE DECREASING AS TROPICAL WAVE
   MOVES WEST. HOWEVER...MODERATE INSTABILITY AND LOW LEVEL
   CONVERGENCE REMAIN OVER MUCH OF SRN AND CNTRL FL AND INCREASING
   SURFACE HEATING MAY LEAD TO RENEWED FEEDER-BAND CONVECTION. GIVEN
   STRONG SELY LOW LEVEL FLOW ON THE ORDER OF 25-30KT...SUFFICIENT
   SPEED SHEAR MAY EXIST FOR A BREIF/ISOLD TORNADO OVER THE NEXT FEW
   HOURS.
           
   ..AFWA.. 08/14/03
   
   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED FOR 0100Z
        
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