MESOSCALE DISCUSSION 1077
   NWS STORM PREDICTION CENTER NORMAN OK
   0646 PM CDT THU JUN 03 2004
   
   AREAS AFFECTED...CNTRL AND ERN OR/SE WA/ID
   
   CONCERNING...SEVERE THUNDERSTORM POTENTIAL 
   
   VALID 032346Z - 040145Z
   
   ISOLD LARGE HAIL/DAMAGING WINDS WITH STRONGEST STORMS EARLY THIS
   EVENING...WW IS NOT ANTICIPATED.
   
   TSTMS EXPECTED TO INCREASE /WITH POTENTIAL ISOLD SEVERE/ EARLY THIS
   EVENING ALONG/AHEAD OF PACIFIC NORTHWEST MID/UPPER TROUGH. AHEAD OF
   THIS FEATURE...AMPLE INSOLATION HAS CONTRIBUTED TO BROAD AREA OF
   UPPER 70S/80S TEMPERATURES. LATEST OBJECTIVE ANALYSIS SUGGESTS 2000
   J/KG SBCAPE IN AXIS FROM ERN CASCADES OF CNTRL OR NEWD INTO CNTRL
   ID...WITH MID LEVEL LAPSE RATES OF 8.0 C/KM OR GREATER. MODERATE
   INSTABILITY AND DEEP LAYER SHEAR AROUND 30 KTS WILL SUPPORT LARGE
   HAIL WITH MOST VIGOROUS TSTMS. WELL MIXED BOUNDARY LAYER ALSO
   SUGGESTS A DAMAGING WIND THREAT. PRESENT INDICATIONS ARE THAT ISOLD
   NATURE OF ACTIVITY WILL PRECLUDE WW ISSUANCE.
   
   ..GUYER.. 06/03/2004
   
   
   ATTN...WFO...TFX...PIH...MSO...BOI...LKN...OTX...PDT...REV...MFR...
   
   44292150 45921910 47271552 45231328 43471250 42231419
   42041766 41942015 43722174