136  
FXUS01 KWBC 141941  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
241 PM EST TUE NOV 14 2017  
 
VALID 00Z WED NOV 15 2017 - 00Z FRI NOV 17 2017  
 
...HIGH WIND, HEAVY RAIN AND MOUNTAIN SNOWS POSSIBLE FOR PARTS OF  
THE PACIFIC NORTHWEST AND CALIFORNIA...  
 
A STRONG PACIFIC LOW PRESSURE SYSTEM WILL SLOWLY PUSH INLAND  
SPREADING HEAVY RAIN TO COASTAL AREAS AND HEAVY SNOW ACROSS THE  
MOUNTAIN RANGES OF THE PACIFIC NORTHWEST SOUTH TO THE  
SIERRAS/WESTERN GREAT BASIN. WITH AMPLE, NEARLY CONTINUOUS ONSHORE  
FLOW, PRECIPITATION WILL BE MODERATE TO HEAVY FOR A LONGER  
DURATION. HIGH WINDS WILL ALSO ACCOMPANY THIS SYSTEM. AN EXTENSIVE  
AREA OF THE OFFSHORE AND COASTAL WATERS OF WASHINGTON AND OREGON  
CONTINUE TO HAVE STORM AND GALE WARNINGS IN EFFECT. WINTER WEATHER  
ADVISORIES AND WINTER STORM WARNINGS ARE IN EFFECT FOR PORTIONS OF  
THE OLYMPICS AND CASCADES - WITH WINTER STORM WATCH AND HIGH WIND  
WATCHES IN EFFECT FROM CENTRAL OREGON TO SOUTH-CENTRAL CALIFORNIA.  
 
TEMPERATURES ARE EXPECTED TO MODERATE ACROSS MUCH OF THE WESTERN  
U.S. AHEAD OF THE DEEP UPPER TROUGH. TEMPERATURES WILL BE ABOVE  
SEASONAL AVERAGES OVER THE NEXT COUPLE OF DAYS FOR MUCH OF THE  
CENTRAL AND SOUTHERN PLAINS. LIGHT PRECIPITATION WILL SPREAD EAST  
ACROSS THE ROCKIES INTO THE ADJACENT HIGH PLAINS AS A WEAK COLD  
FRONT PASSES THROUGH THE CENTRAL U.S. THE COOLER, POST-FRONTAL  
AIRMASS WILL LINGER OVER THE CENTRAL CONUS AS HIGH PRESSURE  
RETURNS.  
 
CAMPBELL  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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