777  
ACUS03 KWNS 290520  
SWODY3  
SPC AC 290520  
 
DAY 3 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1120 PM CST TUE NOV 28 2017  
 
VALID 011200Z - 021200Z  
   
..NO SEVERE THUNDERSTORM AREAS FORECAST
 
 
   
..SUMMARY
 
 
ONLY ISOLATED, WEAK THUNDERSTORMS ARE POSSIBLE ACROSS COASTAL  
WASHINGTON AND OREGON ON FRIDAY.  
   
..SYNOPSIS
 
 
A RELATIVELY STABLE WEATHER PATTERN WILL PERSIST ON FRIDAY WITH HIGH  
PRESSURE FROM THE GREAT BASIN TO THE EAST COAST. A COLD FRONT WILL  
APPROACH THE PACIFIC NORTHWEST LATE FRIDAY, AS LOW PRESSURE DROPS  
SOUTH JUST OFF SOUTHWESTERN COAST OF BRITISH COLUMBIA. COLD  
TEMPERATURES ALOFT ALONG WITH SOME LOW-LEVEL CONVERGENCE, MAINLY  
OFFSHORE, MAY RESULT IN ISOLATED LOW-TOPPED THUNDERSTORMS ACROSS  
COASTAL WA AND OR. OTHERWISE, THUNDERSTORMS ARE NOT EXPECTED ACROSS  
THE CONUS.  
 
..JEWELL.. 11/29/2017  
 

 
 
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