Flash Flood Watch
Issued by NWS Portland, OR

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977
WGUS66 KPQR 231317
FFAPQR

Flood Watch
National Weather Service Portland OR
517 AM PST Sun Feb 23 2025

ORZ101>128-WAZ201>211-240030-
/O.CON.KPQR.FA.A.0001.000000T0000Z-250226T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-Portland West Hills
and Chehalem Mountain-Inner Portland Metro-East Portland Metro-
Outer Southeast Portland Metro-West Central Willamette Valley-
East Central Willamette Valley-Benton County Lowlands-Linn County
Lowlands-Lane 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-Lane County Cascade Foothills-North Oregon Cascades-
Cascades of Marion and Linn Counties-Cascades of Lane County-
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 Corridor-
Central Columbia River Gorge SR 14 Corridor-South Washington
Cascades-
Including the cities of Astoria, Rockcreek, Sunset Summit,
Knappa, Oregon City, Sylvan Hill, Creswell, Cannon Beach, Albany,
Cottage Grove, Hoskins, Willamette Pass, Hood River, Scappoose,
Neskowin, Amboy, Eugene, Willapa, Monmouth, Seaside, Alsea,
Florence, Rhododendron, Washougal, Tigard, Mary`s Peak, Welches,
Monroe, Springfield, Raymond, Rooster Rock, Rainier, Troutdale,
Evergreen, Brooklyn, Waldport, Lost Lake, Long Beach, Mt. St.
Helens, Vernonia, Santiam Junction, Larch Mountain, Indian Heaven
Wilderness, Timothy Lake, Oakridge, Fairview, Tokeland, Vida,
Newport, Sherwood, Bonneville, McKenzie Bridge, Kelso, Battle
Ground, Manzanita, Molalla, Glenwood, Portland, Horton,
McMinnville, Lincoln City, Chehalem Mountain, Ocean Park, Brush
Prairie, La Center, Longview, Carson, Sellwood, Keizer,
Harrisburg, Skyline Drive, Tillamook, Salmon Creek, Naselle,
Forest Grove, Gresham, Kalama, Grand Ronde, Pacific City,
Philomath, Hockinson, Santiam Pass, Stevenson, Wyeth, Detroit,
Happy Valley, Underwood, Tombstone Summit, Silverton, Odell,
Bennett Pass, Brightwood, Wilson River Summit, Dallas, Corbett,
Cathlamet, Lake Oswego, Cape Horn, Sheridan, Woodland,
Breitenbush Springs, McKenzie Pass, Woodburn, Ridgefield,
Cherryville, Toutle, Multnomah Falls, Government Camp,
Wilsonville, Castle Rock, Lebanon, Corvallis, Alma, Necanicum,
North Bonneville, Camas, Grand Ronde Indian Reservation,
Hillsboro, Salem, Silver Falls, Newberg, Stayton, Rosburg,
Rockaway Beach, Lake Merwin, Estacada, Mapleton, Cascade Locks,
Vancouver, Junction City, Valsetz, St. Helens, Warrenton, Eagle
Creek, Sandy, Yacolt, Clatskanie, Jewell, Waldo Lake, Beacon Rock
SP, Mill City, Boring, Parkdale, Brownsville, and Lebam
517 AM PST Sun Feb 23 2025

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TUESDAY NIGHT...

* WHAT...Flooding caused by excessive rainfall remains possible.

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


* WHEN...Through late Tuesday night.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations,
  especially for rivers draining the Willapa Hills and Oregon Coast
  Range. Flooding may occur in poor drainage and urban areas.
  Landslides are possible through this period, especially over the
  Cascades due to heavy rainfall above 7,000 feet combined with
  snowmelt. There is low probability for debris flows as rainfall
  rates are not expected to meet thresholds over recently burned
  areas.

* ADDITIONAL DETAILS...
  - An atmospheric river and series of frontal systems will
    produce periods of heavy rainfall over northwest Oregon and
    Southwest Washington through Monday. The heaviest rain will
    be over the coast, Coast Range, Willapa Hills, and Cascades
    where rain totals through Monday night will range from 4 to 6
    inches, with locally higher amounts possible. Snow levels
    will rise to above 7,000 feet on Sunday, and snow melt due to
    rain falling on the Cascade snow pack could cause additional
    flooding concerns for drainages from the Cascades along with
    enhanced risk of landslides.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

CB