SPC AC 201931
   
   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0131 PM CST THU NOV 20 2008
   
   VALID 202000Z - 211200Z
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...PAC NW...
   LIGHTNING DATA INDICATED LATE MORNING TSTMS ALONG AND JUST INLAND OF
   THE SW ORE COAST...AND ALSO JUST OFFSHORE THE SW WA COAST.  THIS
   ACTIVITY IS LOCATED BENEATH A COLD POOL ALOFT /-22 TO -26 C AT 500
   MB PER OBJECTIVE ANALYSES/ ATTENDANT TO THE PROGRESSIVE SHORT WAVE
   TROUGH MOVING EWD INTO WA/ORE.  THE THREAT FOR TSTMS IS EXPECTED TO
   PERSIST THROUGH THE AFTERNOON FROM OFFSHORE TO JUST INLAND OF THE
   WA/ORE COAST WHERE THE AIR MASS SHOULD REMAIN UNSTABLE GIVEN GREATER
   LOW LEVEL MOISTURE /SURFACE DEWPOINTS IN THE UPPER 40S/ AND SURFACE
   HEATING BENEATH THE COLD MID LEVEL TEMPERATURES.  THIS THREAT WILL
   DIMINISH DURING THE EVENING AS HEIGHTS RISE/MID LEVELS WARM IN THE
   WAKE OF THE TROUGH MOVING FARTHER INLAND.
   
   ..PETERS.. 11/20/2008
   
   CLICK TO GET WUUS01 PTSDY1 PRODUCT

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0100Z