Flood Advisory
National Weather Service Portland OR
636 PM PST Thu Jan 6 2022

Benton OR-Clackamas OR-Clatsop OR-Columbia OR-Lane OR-Lincoln OR-
Marion OR-Multnomah OR-Polk OR-Tillamook OR-Washington OR-Yamhill OR-
Clark WA-Cowlitz WA-Pacific WA-Wahkiakum WA-
636 PM PST Thu Jan 6 2022

…FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY…

* WHAT…Small stream flooding caused by excessive rainfall
continues.

* WHERE…Portions of northwest Oregon and southwest Washington,
including the following counties, in northwest Oregon, Benton,
Clackamas, Clatsop, Columbia, Lane, Lincoln, Marion, Multnomah,
Polk, Tillamook, Washington and Yamhill. In southwest Washington,
Clark, Cowlitz, Pacific and Wahkiakum.

* WHEN…Until 400 PM PST Friday.

* IMPACTS…Flooding of small streams and creeks, as well as areas
with poor drainage. Expect ponding of water in urban areas.

* ADDITIONAL DETAILS…
– At 619 PM PST, Snowmelt and/or periods of moderate to heavy
rain will result in small stream flooding and flooding in
areas of poor drainage overnight into Friday.
– Additional rainfall amounts of a quarter to three quarters of
an inch in the Willamette Valley and 1 to 3 inches in the
Coast Range and Willapa Hills are still expected.
– http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles. Do NOT drive around barricades. Road
surfaces may or may not be safe.

Be especially cautious at night when it is harder to recognize the
dangers of flooding or where the roads edge may be located.