Expires:201104062300;;000001
FGUS86 KPQR 052331
RVSPQR
RIVER STATEMENT
NATIONAL WEATHER SERVICE PORTLAND OR
430 PM PDT TUE APR 5 2011

ORZ005-006-WAZ022-039-062300-
LOWER COLUMBIA-GREATER PORTLAND METRO AREA-I-5 CORRIDOR IN COWLITZ 
COUNTY-GREATER VANCOUVER AREA-INCLUDING THE CITIES OF...ST. 
HELENS...PORTLAND...LONGVIEW...VANCOUVER...
430 PM PDT TUE APR 5 2011
...HIGH RIVER LEVELS EXPECTED ON THE COLUMBIA RIVER AT VANCOUVER AND 
THE WILLAMETTE RIVER AT PORTLAND WEDNESDAY AND THURSDAY...
RECENT SNOWMELT AND RAINFALL THROUGHOUT THE COLUMBIA BASIN HAS 
RESULTED IN HIGH FLOWS ON THE COLUMBIA RIVER. THE PORTLAND AND 
VANCOUVER HARBOR LEVELS WILL RANGE FROM 14.0 TO 15.0 FEET ON 
WEDNESDAY AND THURSDAY...WITH THE HIGHEST LEVELS EXPECTED DURING THE 
MORNING HOURS. RIVER LEVELS ARE THEN FORECAST TO GRADUALLY DROP ON 
FRIDAY AND SATURDAY...WITH LEVELS AROUND 11.0 FEET EXPECTED BY 
SUNDAY.
FLOOD STAGE FOR THE COLUMBIA RIVER AT VANCOUVER IS 16.0 FEET...AND 
FLOOD STAGE FOR THE WILLAMETTE RIVER AT PORTLAND IS 18.0 FEET. NO 
FLOODING IS EXPECTED...BUT THE HIGH LEVELS MAY HAVE SOME MINOR 
IMPACTS ON PORT AND MARINA OPERATIONS. 
OBSERVED AND FORECAST RIVER LEVELS FOR THESE GAGES CAN BE MONITORED 
ONLINE AT WEATHER.GOV/PORTLAND OR WWW.NWRFC.NOAA.GOV. 
$$