Headline:
Flood Warning issued March 13 at 11:20PM PDT until March 14 at 11:14AM PDT by NWS Portland OR
Event:
Flood Warning
Urgency:
Immediate
Effective:
March 13, 2026 - 11:20pm
Expires:
March 14, 2026 - 6:00am
Description:
...Observed flooding changed to Minor severity and increased in
duration for the following rivers in Oregon...
Wilson River near Tillamook affecting Tillamook County.
...The Flood Warning continues for the following rivers in
Washington...Oregon...
Cowlitz River at Kelso affecting Cowlitz County.
Grays River at Covered Bridge near Rosburg affecting Wahkiakum
County.
Johnson Creek at Sycamore affecting Clackamas and Multnomah
Counties.
Nehalem River near Foss affecting Clatsop and Tillamook Counties.
* WHAT...Minor flooding is forecast.
* WHERE...Johnson Creek at Sycamore.
* WHEN...Until late tomorrow morning.
* IMPACTS...Above 11.0 feet, minor flooding begins along Johnson
Creek between SE 92nd Street to SE 122nd Street and between
Johnson Creek and SE Harold Street.
* ADDITIONAL DETAILS...
- At 10:30 PM PDT Friday the stage was 5.3 feet.
- Bankfull stage is 10.0 feet.
- Forecast...The river will rise above flood stage to 11.1 feet
early Saturday morning. It will then fall below flood stage
Saturday afternoon.
- Flood stage is 11.0 feet.
- http://www.weather.gov/safety/flood
Instruction:
Motorists should not attempt to drive around barricades or drive
through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Additional information is available at www.weather.gov.
The next statement will be issued early Saturday morning at 515 AM
PDT.late tonight at 500 AM PDT.
Area Description:
Clackamas, OR; Multnomah, OR
Forcast Office:
NWS Portland OR
Sender:
w-nws.webmaster@noaa.gov