Flood Advisory for Clackamas, OR; Multnomah, OR; Washington, OR
Official alert fields
What you need to know
- Applies to
- Clackamas, Multnomah, Washington
- Effective
- Ends or expires
- Official severity
- Minor
- Official urgency
- Expected
- Official certainty
- Likely
What is happening
What: Urban area and small stream flooding caused by excessive rainfall is expected. Impacts: Minor flooding in low-lying and poor drainage areas. Overflowing poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. Where: Northwestern Clackamas County in northwestern Oregon......
What the bulletin says to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Full official description
Bulletin details
* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Northwestern Clackamas County in northwestern Oregon... Southern Multnomah County in northwestern Oregon... Southeastern Washington County in northwestern Oregon... * WHEN...Until 200 PM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Overflowing poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... At 1050 AM PST, Doppler radar and automated rain gauges indicated heavy rain. This will cause urban and small stream flooding. Overflowing poor drainage areas will cause minor flooding in the advisory area. Up to 0.5 inches of rain have fallen in the last 12 hours and up to 0.25-0.35 inch in the last hour. Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. Some locations that will experience flooding include... Oregon City, Sandy, Lake Oswego, West Linn, Milwaukie, Wilsonville, Canby, Gladstone, Rivergrove, Oatfield, Jennings Lodge, Boring, Butteville, Clackamas, Happy Valley, Damascus and Johnson City. http://www.weather.gov/safety/flood
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Flood Advisory issued November 10 at 10:51AM PST until November 10 at 2:00PM PST by NWS Portland OR
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Portland OR. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected