Full Notification

* WHAT...Flooding caused by excessive rainfall continues to be possible.

* WHERE...Counties in Oregon: Benton, Clackamas, Clatsop, Columbia, Hood River, western portions of Lane, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Washington, and Yamhill. Counties in Washington: Clark, Cowlitz, Pacific, Skamania, and Wahkiakum.

* WHEN...Through Thursday afternoon.

* IMPACTS...Excessive runoff will result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. 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.

* ADDITIONAL DETAILS... - Over the past 24 hours, around 4 to 7 inches of rain has fallen over the north Oregon Cascades, south Washington Cascades, Willapa Hills, north Oregon Coast Range, south Washington coast, and northern and central Oregon coast. 1.5 to 4.5 inches of rain has fallen over the Lower Columbia, Cowlitz Valley, and greater Portland/Vancouver metro. This will maintain an elevated threat for urban and river flooding. An additional 1 to 2 inches of rain is expected Tuesday morning through Thursday afternoon over the interior lowlands to the north of Eugene. 3.5 to 6.5 inches of additional rain is expected over the Cascades and coastal mountains, mainly to the north of Lane County. Landslides in areas of steep terrain will be possible due to saturated soils, as well as debris flows over recently burned areas. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: CLATSOP COUNTY COAST ... TILLAMOOK COUNTY COAST ... CENTRAL COAST OF OREGON ... NORTH OREGON COAST RANGE LOWLANDS ... CENTRAL OREGON COAST RANGE LOWLANDS ... NORTH OREGON COAST RANGE ... CENTRAL OREGON COAST RANGE ... LOWER COLUMBIA RIVER ... TUALATIN VALLEY ... WEST HILLS AND CHEHALEM MOUNTAINS ... INNER PORTLAND METRO ... EAST PORTLAND METRO ... OUTER SOUTHEAST PORTLAND METRO ... WEST CENTRAL WILLAMETTE VALLEY ... EAST CENTRAL WILLAMETTE VALLEY ... BENTON COUNTY LOWLANDS ... LINN COUNTY LOWLANDS ... WEST COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT ... WEST COLUMBIA RIVER GORGE I-84 CORRIDOR ... UPPER HOOD RIVER VALLEY ... CENTRAL COLUMBIA RIVER GORGE I-84 CORRIDOR ... CLACKAMAS COUNTY CASCADE FOOTHILLS ... CASCADE FOOTHILLS OF MARION AND LINN COUNTIES ... NORTH OREGON CASCADES ... CASCADES OF MARION AND LINN COUNTIES ... SOUTH WASHINGTON COAST ... WILLAPA AND WAHKIAKUM LOWLANDS ... WILLAPA HILLS ... COWLITZ COUNTY LOWLANDS ... NORTH CLARK COUNTY LOWLANDS ... INNER VANCOUVER METRO ... EAST CLARK COUNTY LOWLANDS ... SOUTH WASHINGTON CASCADE FOOTHILLS ... WEST COLUMBIA RIVER GORGE - SR 14 ... CENTRAL COLUMBIA RIVER GORGE - SR 14 ... SOUTH WASHINGTON CASCADES

Instructions:

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.