Troutdale, OR Severe Weather Alertstar_ratehome

...FLOOD WARNING NOW IN EFFECT UNTIL 6 AM PDT EARLY THIS MORNING...

* WHAT...Urban area and small stream flooding caused by excessive
rainfall continues.

* WHERE...A portion of northwest Oregon, including the following
county, Multnomah.

* WHEN...Until 600 AM PDT.

* IMPACTS...Streams continue to rise due to excess runoff from
rainfall. Expect many areas of slow moving or standing water.

* ADDITIONAL DETAILS...
- At 346 AM PDT, Doppler radar and automated rain gauges
indicated heavy rain. Flooding is already occurring in the
warned area. Between 2.5 and 3.5 inches of rain have fallen.
- Additional rainfall amounts of 1.5 to 2.5 inches are possible
in the warned area.
- Some locations that will experience flooding include...
Gresham, Troutdale, Fairview and Wood Village.
- The Tualatin River at Dilly and the Nehalem River near Foss
are currently at action stage, with multiple other rivers
forecasted to reach action stage or minor flood stage by
Friday afternoon.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY SATURDAY AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Johnson Creek at Sycamore.

* WHEN...Until early Saturday afternoon.

* IMPACTS...Above 13.0 feet, expect flooding to begin at numerous
locations along Johnson Creek. Evacuations of several homes have
historically taken place at this and higher stages.

* ADDITIONAL DETAILS...
- At 4:30 PM PDT Thursday the stage was 10.8 feet.
- Bankfull stage is 10.0 feet.
- Forecast...The river will briefly rise above flood stage to
11.2 feet late this afternoon. It will then fall below flood
stage this evening to 8.9 feet late tonight. Additional
rainfall on Friday will cause it to again rise above flood
stage again tomorrow afternoon to 13.0 feet by late tomorrow
evening. It will then fall below flood stage again Saturday
morning as rainfall ends.
- Flood stage is 11.0 feet.
- http://www.weather.gov/safety/flood

&&

...FLOOD WATCH NOW IN EFFECT THROUGH SATURDAY AFTERNOON...

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of northwest Oregon, including the following
areas, Clackamas County Cascade Foothills, Clatsop County Coast,
East Central Willamette Valley, East Portland Metro, Inner
Portland Metro, Lower Columbia River, North Oregon Coast Range,
North Oregon Coast Range Lowlands, Outer Southeast Portland Metro,
Portland West Hills and Chehalem Mountain, Tillamook County Coast,
Tualatin Valley, West Central Willamette Valley, West Columbia
River Gorge I-84 Corridor and West Columbia River Gorge of Oregon
above 500 ft and southwest Washington, including the following
areas, Cowlitz County Lowlands, East Clark County Lowlands, Inner
Vancouver Metro, North Clark County Lowlands, South Washington
Cascade Foothills, West Columbia River Gorge SR 14 Corridor,
Willapa Hills and Willapa and Wahkiakum Lowlands.

* WHEN...Through Saturday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Area creeks
and streams are running high and could flood with more heavy rain.
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...
- 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.

&&