* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of northwest and west central Washington,
including the following counties, in northwest Washington, Grays
Harbor. In west central Washington, King, Lewis, Pierce, Snohomish
and Thurston.
* WHEN...Through Monday morning.
* 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.
* ADDITIONAL DETAILS...
- An additional frontal system via an atmospheric river will
produce pockets of heavy rain Sunday afternoon into Monday.
Between half an inch and one and a half an inch of rain
remain possible over portions of the Cascades and Olympics,
with snow levels dropping to 4000 feet.
- http://www.weather.gov/safety/flood
* WHAT...Snow expected. Total snow accumulations up to 10 inches.
Winds gusting as high as 60 mph.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest
above 3500 feet.
* WHEN...From 10 AM Monday to 4 PM PST Tuesday.
* IMPACTS...Heavy snowfall and very low visibility will create
dangerous driving conditions. Strong winds could cause blowing
snow and tree damage.
* ADDITIONAL DETAILS...Snow accumulations for Snoqualmie Pass are
only expected to be around 1 to 3 inches. This advisory includes
White Pass.
* WHAT...Southwest winds 25 to 35 mph with gusts 45 to 60 mph
possible.
* WHERE...Lower Columbia Basin of Oregon and Washington, Foothills
of the Blue Mountains of Washington, and Simcoe Highlands.
* WHEN...From Monday morning through Tuesday afternoon.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.
...The National Weather Service in Spokane WA has issued a Flood
Warning for the following rivers in Washington...Idaho...
Palouse River near Potlatch affecting Whitman and Latah Counties.
.Heavy rain will fall on a deep primed snowpack leading to the melt
increasing. Flows in rivers will increase quickly.
For the Palouse River...including Potlatch...Minor flooding is
forecast.
* WHAT...Minor flooding is forecast.
* WHERE...Palouse River near Potlatch.
* WHEN...From this afternoon to tomorrow morning.
* IMPACTS...At 15.0 feet, Minor flooding of the low lying areas
between Potlatch Idaho and Palouse Washington will occur. Flooding
will begin at the Lions Club Community Park and Hayton Greene
Park in Palouse. South River Road will likely be flooded where it
crosses the Palouse River at Wellesley Rd. The Potlatch softball
and baseball fields will see ponding of water.
* ADDITIONAL DETAILS...
- At 8:45 AM PST Sunday the stage was 12.3 feet.
- Bankfull stage is 14.0 feet.
- Forecast...The river will rise above flood stage to 15.4 feet
late this afternoon. It will then fall below flood stage this
evening and continue falling to 11.8 feet late Tuesday
morning.
- Flood stage is 15.0 feet.
- Flood History...This crest compares to a previous crest of
15.1 feet on 02/02/2000.
- http://www.weather.gov/safety/flood
* WHAT...South winds 20 to 30 mph with gusts up to 55 to 60 mph
possible.
* WHERE...Central Coast and North Coast.
* WHEN...From Monday afternoon through late Monday night.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.
...The Flood Warning is extended for the following rivers in
Washington...
Stillaguamish River At Arlington affecting Snohomish County.
.The river has crested right at minor flood stage, and is expected
to fall below this afternoon.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Stillaguamish River at Arlington.
* WHEN...From this morning to late this evening.
* IMPACTS...At 14.0 feet, the Stillaguamish River will locally spill
over its banks. Minor flooding around Silvana will occur...
including over Pioneer Highway. A stage of 14 feet on the
Stillaguamish River corresponds roughly to Phase 2 in the
Snohomish County Flood program.
* ADDITIONAL DETAILS...
- At 8:50 AM PST Sunday the stage was 14.1 feet.
- Flood stage is 14.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:50 AM PST Sunday was 14.3 feet.
- Forecast...The river will rise to 14.2 feet late this
morning. It will then fall below flood stage late this
morning to 7.4 feet late tomorrow evening. It will rise to
8.4 feet Tuesday afternoon. It will then fall again and
remain below flood stage.
- http://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.The river will remain in flood stage through at least middle of the
week due to additional rounds of rain.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until further notice.
* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread
flooding of pasture lands, with water flowing quickly over West
Bourgault Road and Skokomish Valley Road.
* ADDITIONAL DETAILS...
- At 8:45 AM PST Sunday the stage was 17.4 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:45 AM PST Sunday was 17.6 feet.
- Forecast...The river is expected to hold to a crest of 17.4
feet today.
- http://www.weather.gov/safety/flood
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...A portion of East Central Washington, including the
following county, Lincoln.
* WHEN...Until 700 AM PST Tuesday.
* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is imminent or occurring. Road closures
have been reported in the area including state routes 231 and 23.
* ADDITIONAL DETAILS...
- At 902 AM PST, Department of transportation has reported
flooding of roadways in urban areas including State Route 231
and 23. Flooding is ongoing and is expected to continue.
- Additional rainfall amounts of 0.25 to 0.5 inches are
possible in the warned area.
- Some locations that will experience flooding include...
Davenport, Lincoln, Wilbur, Reardan, Sprague, Harrington,
Creston, Rocklyn.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in Idaho...
Washington...
Paradise Creek at Moscow affecting Whitman and Latah Counties.
.Heavy rain will fall on a deep primed snowpack leading to the melt
increasing.
For the Paradise Creek ...including Moscow...Minor flooding is
forecast.
* WHAT...Minor flooding is forecast.
* WHERE...Paradise Creek at Moscow.
* WHEN...Until Tuesday morning.
* IMPACTS...At 10.0 feet, Water will be up to the homes near the
intersection of Bridge and Hillcrest. Intersection at 5th and
Roosevelt will be flooded. Storm drains along Main Street will be
backed up and overflowing. Mountainview Park will be flooded. Bike
path along the creek near the University will be under 6 inches of
water.
* ADDITIONAL DETAILS...
- At 7:45 AM PST Sunday the stage was 8.8 feet.
- Bankfull stage is 8.0 feet.
- Forecast...The river will oscillate around flood stage with a
maximum value of 9.8 feet just after midnight tonight.
- Flood stage is 9.2 feet.
- Flood History...This crest compares to a previous crest of
9.7 feet on 12/30/2017.
- http://www.weather.gov/safety/flood
* WHAT...Southwest winds 25 to 35 mph with gusts 45 to 60 mph
possible.
* WHERE...Lower Columbia Basin of Oregon and Washington, Foothills
of the Blue Mountains of Washington, and Simcoe Highlands.
* WHEN...From Monday morning through Tuesday afternoon.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.
* 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
...The National Weather Service in Seattle WA has issued a Flood
Warning for the following rivers in Washington...
Stillaguamish River At Arlington affecting Snohomish County.
* WHAT...Minor flooding is forecast.
* WHERE...Stillaguamish River at Arlington.
* WHEN...From this morning to late this evening.
* IMPACTS...At 14.0 feet, the Stillaguamish River will locally spill
over its banks. Minor flooding around Silvana will occur...
including over Pioneer Highway. A stage of 14 feet on the
Stillaguamish River corresponds roughly to Phase 2 in the
Snohomish County Flood program.
* ADDITIONAL DETAILS...
- At 5:05 AM PST Sunday the stage was 13.7 feet.
- Flood stage is 14.0 feet.
- Forecast...The river will rise to flood stage late this
morning. It will then fall to 7.1 feet late tomorrow evening.
It will rise to 8.1 feet Tuesday afternoon. It will then fall
again and remain below flood stage.
- Flood History...No available flood history.
- http://www.weather.gov/safety/flood
* WHAT...Precipitation is expected at times through Monday night,
allowing for additional rises on area rivers. Flooding caused by
excessive rainfall continues to be possible.
* WHERE...Portions of northwest and west central Washington,
including the following counties, in northwest Washington, Grays
Harbor and Skagit. In west central Washington, King, Lewis,
Pierce, Snohomish and Thurston.
* WHEN...From 10 AM PST this morning through late Tuesday night.
* 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. Landslide
risk will also increase through this period.
* ADDITIONAL DETAILS...
- An atmospheric river will produce periods of heavy rain over
western Washington through Tuesday. The heaviest of the rain
will be concentrated over the Olympics and Cascades, where
rain totals through this period will range from 3 to 5
inches, with locally higher amounts possible. Snow levels
will increase to above 7,000 feet Sunday. These conditions
could result in flooding on a number of rivers.
- http://www.weather.gov/safety/flood
* WHAT...Southwest winds 25 to 35 mph with gusts 45 to 60 mph
possible.
* WHERE...Lower Columbia Basin of Oregon and Washington, Foothills
of the Blue Mountains of Washington, and Simcoe Highlands.
* WHEN...From Monday morning through Tuesday afternoon.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.
...The National Weather Service in Seattle WA has issued a Flood
Warning for the following rivers in Washington...
Tolt River Above Carnation affecting King County.
.General description of flood situation and contributing
hydrometeorological factors.
* WHAT...Minor flooding is forecast.
* WHERE...Tolt River above Carnation.
* WHEN...From this morning to late tomorrow morning.
* IMPACTS...At 5,000.0 cfs, the Tolt River will flood Tolt River Rd
NE and many driveways. Some homes in the San Souci area could be
inaccessible due to deep and quick flood waters. This river level
on the Tolt corresponds to a phase 3 flood in the King County
flood system.
* ADDITIONAL DETAILS...
- At 1:15 AM PST Sunday the flow was 3,390.0 cfs.
- Flood flow is 5,000.0 cfs.
- Forecast...The river will rise above flood stage this morning
to 5,955.0 cfs late this morning. It will then fall below
flood stage to 4,824.0 cfs late this afternoon or evening.
Additional rises are possible thereafter.
- Flood History...This crest compares to a previous crest of
5,930.0 cfs on 12/03/1968.
- http://www.weather.gov/safety/flood
* WHAT...Large waves and hazardous surf conditions. Breakers up to
35 feet.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...From 4 PM Monday to 4 PM PST Tuesday.
* IMPACTS...Destructive waves may wash over beaches, jetties,
and other structures unexpectedly. People can be swept off
rocks and jetties and drown while observing high surf. Minor
beach erosion may damage coastal properties and buildings.
Higher than normal water run-up is expected on beaches and low-
lying shoreline.
* WHAT...South winds 25 to 40 mph with gusts up to 60 mph possible,
except up to 65 mph along beaches, headlands, and higher
elevations in the Coast Range and Willapa Hills.
* WHERE...South Washington and North and Central Oregon Coast, North
and Central Coast Range Mountains of Oregon, and Willapa Hills.
* WHEN...From Monday morning through late Monday night.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.
* WHAT...South winds 15 to 30 mph with gusts up to 45 mph expected.
* WHERE...Willamette Valley, Portland/Vancouver Metro Area, and
Clark County Lowlands.
* WHEN...From noon Monday to 4 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.Heavy rain over the south slopes of the Olympics through Monday
night. Two to four inches has already fell through early this
morning. An additional 3 to 5 inches predicted through Monday night.
Snow levels near 5000 feet this morning will rise to near 6000 feet
today. This combination of heavy rain and high snow levels will
continue to keep the Skokomish River above flood stage through at
least Wednesday.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until further notice.
* IMPACTS...At 17.5 feet, the Skokomish River will cause moderate
flooding, with deep and quick flood waters inundating some
residential areas, many roads, and much of the farm land in the
Skokomish Valley. Inundated roads include the Skokomish Valley
road, Bourgault Road West, Purdy Cutoff Road, and Highway 106.
* ADDITIONAL DETAILS...
- At 1:30 AM PST Sunday the stage was 17.5 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 1:30 AM PST Sunday was 17.5 feet.
- Forecast...The river will rise to 17.9 feet early this
morning. It will then fall late this afternoon. It will rise
to 17.6 feet late this evening. It will then fall again but
remain above flood stage.
- Flood History...This crest compares to a previous crest of
17.8 feet on 03/19/1997.
- http://www.weather.gov/safety/flood
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Portions of Idaho, including the following counties,
Bonner, Boundary, Kootenai, Lewis, Nez Perce and Shoshone and
Washington, including the following counties, Asotin, Garfield and
Spokane.
* WHEN...Until 700 AM PST Tuesday.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Some low-water crossings may become impassable. Ponding of water
in urban or other areas is occurring or is imminent.
* ADDITIONAL DETAILS...
- At 1232 AM PST, gauges on small streams are rising due to
melting snow. Minor field flooding will be likely as well as
rises on small streams and creeks. Minor rock slides in steep
terrain are common during periods of rain and snow melt.
- Additional rainfall amounts of 0.5 to 1.5 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Spokane, Spokane Valley, Coeur d'Alene, Lewiston, Post Falls,
Hayden, Cheney, Sandpoint, Clarkston, Rathdrum, Bonners
Ferry, Dalton Gardens, Kellogg, Priest River, Pinehurst,
Osburn, Lapwai, Wallace, Liberty Lake and Airway Heights.
- http://www.weather.gov/safety/flood
