Flood Watch issued December 9 at 3:52AM PST until December 11 at 4:00PM PST by NWS Portland OR
* 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
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.
Varoitus voimassa ti klo 13:52 - pe klo 2:00