Full Notification

THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A

* URBAN AND SMALL STREAM FLOOD ADVISORY FOR... CLACKAMAS COUNTY IN NORTHWESTERN OREGON... MULTNOMAH COUNTY IN NORTHWESTERN OREGON... YAMHILL COUNTY IN NORTHWESTERN OREGON... WASHINGTON COUNTY IN NORTHWESTERN OREGON... MARION COUNTY IN NORTHWESTERN OREGON... POLK COUNTY IN NORTHWESTERN OREGON... WEST CENTRAL HOOD RIVER COUNTY IN NORTHWESTERN OREGON... EASTERN CLATSOP COUNTY IN NORTHWESTERN OREGON... TILLAMOOK COUNTY IN NORTHWESTERN OREGON... COLUMBIA COUNTY IN NORTHWESTERN OREGON... CLARK COUNTY IN SOUTHWESTERN WASHINGTON... CENTRAL PACIFIC COUNTY IN SOUTHWESTERN WASHINGTON... WAHKIAKUM COUNTY IN SOUTHWESTERN WASHINGTON... SOUTHWESTERN COWLITZ COUNTY IN SOUTHWESTERN WASHINGTON... SOUTHWESTERN SKAMANIA COUNTY IN SOUTHWESTERN WASHINGTON...

* UNTIL 330 PM PDT SUNDAY

* AT 729 AM PDT...DOPPLER RADAR INDICATED HEAVY RAIN THAT COULD CAUSE URBAN AND SMALL STREAM FLOODING IN THE ADVISORY AREA.

* SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE... SALEM...HILLSBORO...MCMINNVILLE...OREGON CITY...BATTLE GROUND... DALLAS...WASHOUGAL...ST. HELENS...KELSO...SANDY...SHERIDAN... WOODLAND...VERNONIA...CATHLAMET...JEWELL...VANCOUVER DOWNTOWN... PORTLAND DOWNTOWN...GOVERNMENT CAMP...PACIFIC CITY AND PORTLAND. NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED HEAVY RAIN OVER MOST OF THE WARNED AREA. RAINFALL AMOUNTS SINCE THE RAIN BEGAN FRIDAY NIGHT RANGE FROM OVER 2 INCHES IN MANY VALLEY LOCATIONS TO 3 OR 4 INCHES IN SOME OF THE HIGHER ELEVATIONS. SMALLER STREAMS WILL LIKELY HAVE SIGNIFICANT RISES AND COULD OVERFLOW THEIR BANKS. URBAN AREAS COULD SEE FLOODING AROUND POORLY DRAINING AREAS.

* AFFECTED AREAS: CLACKAMAS ... CLATSOP ... COLUMBIA ... HOOD RIVER ... MARION ... MULTNOMAH ... POLK ... TILLAMOOK ... WASHINGTON ... YAMHILL

Instructions:

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. LANDSLIDES AND DEBRIS FLOWS ARE POSSIBLE DURING THIS FLOOD EVENT. PEOPLE...STRUCTURES AND ROADS LOCATED BELOW STEEP SLOPES...IN CANYONS AND NEAR THE MOUTHS OF CANYONS MAY BE AT SERIOUS RISK FROM RAPIDLY MOVING LANDSLIDES.