* WHAT…Flooding caused by excessive rainfall is possible.
* WHERE…Portions of northwest Oregon and southwest Washington, including the following areas, in northwest Oregon, Central Willamette Valley, Coast Range of Northwest Oregon, Greater Portland Metro Area, Lower Columbia, North Oregon Coast, Northern Oregon Cascade Foothills and Northern Oregon Cascades. In southwest Washington, Central Columbia River Gorge, I-5 Corridor in Cowlitz County, South Washington Coast, Western Columbia River Gorge and Willapa Hills. Rivers to watch: Naselle River, Trask River near Tillamook, Wilson River near Tillamook, Johnson Creek in Portland, Sandy River near Bull Run, and the Clackamas River near Estacada.
* WHEN…Through Saturday morning.
* IMPACTS…Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Storm drains and ditches may become clogged with debris.
* ADDITIONAL DETAILS… – http://www.weather.gov/safety/flood
* AFFECTED AREAS: NORTH OREGON COAST … COAST RANGE OF NORTHWEST OREGON … LOWER COLUMBIA … GREATER PORTLAND METRO AREA … CENTRAL WILLAMETTE VALLEY … NORTHERN OREGON CASCADE FOOTHILLS … NORTHERN OREGON CASCADES … WILLAPA HILLS … SOUTH WASHINGTON COAST … LOWER COLUMBIA AND I – 5 CORRIDOR IN COWLITZ COUNTY … WESTERN COLUMBIA RIVER GORGE … CENTRAL COLUMBIA RIVER GORGE
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. 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.