* WHAT...Heavy snow possible. Total snow accumulations between 18
and 24 inches possible above 3500 feet.
* WHERE...Stevens Pass, Holden Village, and Stehekin.
* WHEN...From Wednesday afternoon through Friday morning.
* IMPACTS...Travel could be very difficult over Stevens Pass.
* ADDITIONAL DETAILS...Expect snowfall rates around 1 inch per hour
or greater at Stevens Pass Wednesday night. For Coles Corner and
Stehekin, total snow accumulations between 5 and 12 inches.
* WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph expected
for the base of the Blue Mountains of Washington.
* WHERE...Foothills of the Blue Mountains of Washington.
* WHEN...From 10 PM this evening to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Visibility a quarter mile or less in dense fog.
* WHERE...Kittitas Valley.
* WHEN...Until 5 PM PST this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.Minor flooding is occuring along the Skokomish River but will
gradually recede below flood stage on Tuesday. Additional rounds of
precipitation in the coming days will lead to additional flooding.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until tomorrow afternoon.
* 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 11:30 AM PST Monday the stage was 17.4 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:30 AM PST Monday was 17.6 feet.
- Forecast...The river is expected to fall below flood stage
tomorrow morning and continue falling to 16.4 feet later
Tuesday.
- Flood History...This crest compares to a previous crest of
17.3 feet on 03/06/2014.
- http://www.weather.gov/safety/flood
* WHAT...Large breaking waves of 18 to 22 feet in the surf zone.
* WHERE...North Coast and Central Coast zones.
* WHEN...Until 9 PM PST this evening.
* IMPACTS...Large waves may wash over beaches, jetties, and other
structures unexpectedly. Localized beach erosion is possible.
People can be swept off rocks and jetties, and drown while
observing high surf.
* ADDITIONAL DETAILS...Waves just offshore will be long period
with a dominant period of 20 to 22 seconds. This will enhance
the risk for beach erosion and infrastructure damage on west or
southwest facing beaches.
* WHAT...Southeast winds 15 to 25 mph with gusts up to 50 mph
expected.
* WHERE...East Puget Sound Lowlands.
* WHEN...From 6 PM this evening to 2 AM PST Tuesday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Winds will be strongest in areas near and
west of the Cascade gaps including North Bend, Enumclaw, Gold Bar,
and Covington.
* WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph expected
for the base of the Blue Mountains of Washington.
* WHERE...Foothills of the Blue Mountains of Washington.
* WHEN...From 10 PM this evening to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Visibility a quarter mile or less in dense fog.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington, and
Kittitas Valley.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.
Patchy dense fog has developed in the Kittitas and Yakima Valleys
this morning and will affect portions of Interstate 82 and
Interstate 90. Visibilities of less than one half mile can be
expected in places. Motorists should be prepared for sudden
changes in visibility. If you encounter dense fog, slow down and
use low beam headlights.
...Observed flooding changed from Minor to Moderate severity for the
following rivers in Washington...
Skokomish River At Potlatch affecting Mason County.
.Moderate flooding is expected for the next several hours before the
river levels begin to lower, but will remain in minor flood stage.
Additional rounds of precipitation in the coming days will keep the
river in minor flood stage.
* WHAT...Moderate flooding is occurring and minor 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 3:30 AM PST Monday the stage was 17.6 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 3:30 AM PST Monday was 17.6 feet.
- Forecast...The river is expected to fall below flood stage
late this evening and continue falling to 16.4 feet late
tonight.
- Flood History...This crest compares to a previous crest of
17.5 feet on 12/20/1994.
- http://www.weather.gov/safety/flood
* WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph expected
for the base of the Blue Mountains of Washington.
* WHERE...Foothills of the Blue Mountains of Washington.
* WHEN...From 10 PM this evening to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Large waves and dangerous surf conditions. Breakers up
to 30 feet.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...From 5 AM to 10 PM PST Monday.
* 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. Similar
wave conditions in the past have resulted in beach erosion and
damage to coastal properties and buildings. High water run-up
is expected on beaches and low- lying shoreline.
* ADDITIONAL DETAILS...There is a high threat for sneaker waves.
* WHAT...Large breaking waves of 18 to 22 feet expected in the
surf zone.
* WHERE...North Coast and Central Coast zones.
* WHEN...From 5 AM early this morning to 9 PM PST this evening.
* IMPACTS...Large waves may wash over beaches, jetties, and other
structures unexpectedly. Localized beach erosion is possible.
People can be swept off rocks and jetties, and drown while
observing high surf.
* ADDITIONAL DETAILS...Waves just offshore on Monday morning are
expected to be of a longer period with a dominant period of 20
to 22 seconds. This may enhance the risk for beach erosion and
infrastructure damage on west or southwest facing beaches.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.The Skokomish River will continue to rise tonight with minor
flooding forecast.
* WHAT...Minor flooding is occurring and minor 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 6:30 PM PST Sunday the stage was 16.8 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 6:30 PM PST Sunday was 16.8 feet.
- Forecast...The river is expected to rise to 17.4 feet late
this evening. The river will gradually recede on Monday.
- Flood History...This crest compares to a previous crest of
17.4 feet on 11/19/2012.
- http://www.weather.gov/safety/flood
* WHAT...Large waves and dangerous surf conditions. Breakers up to
30 feet.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...From 5 AM to 10 PM PST Monday.
* 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. Similar wave
conditions in the past have resulted in beach erosion and damage
to coastal properties and buildings. High water run-up is
expected on beaches and low- lying shoreline.
* ADDITIONAL DETAILS...There is a high threat for sneaker waves.
ESFSEW
An atmospheric river will bring significant rainfall to the Olympic
Peninsula Wednesday into Thursday. Widespread rainfall totals of 3
to 4 inches are expected in the mountains, with locally over 5
inches over the highest peaks are possible. Snow levels will remain
around 4000 to 5000 ft during this time frame.
An extended wet period with snow levels above 4000 ft Thursday
through next weekend over the Olympics and into portions of
southwestern Washington. The area of concern for additional river
flooding impacts may expand east to include rivers in Thurston and
Lewis counties.
Please monitor the latest river forecasts from the National Weather
Service for additional information.
* WHAT...Large breaking waves of 18 to 20 feet expected in the
surf zone.
* WHERE...North Coast and Central Coast zones.
* WHEN...From 5 AM to 9 PM PST Monday.
* IMPACTS...Large waves may wash over beaches, jetties, and other
structures unexpectedly. Localized beach erosion is possible.
People can be swept off rocks and jetties, and drown while
observing high surf.
* ADDITIONAL DETAILS...Waves just offshore on Monday morning are
expected to be of a longer period with a dominant period of 20
to 22 seconds. This may enhance the risk for beach erosion and
infrastructure damage on west or southwest facing beaches.
* WHAT...Large waves and hazardous surf conditions. Breakers up
to 25 to 30 feet.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Until 10 PM PST Monday.
* 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.
Enhanced possibility for sneaker waves.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.The river has fallen below minor flood stage this morning, but with
additional precipitation falling today, it is forecast to rise above
minor flood stage again this afternoon. Additional systems through
the next week will keep the river above flood stage.
* WHAT...Minor 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 9:30 AM PST Sunday the stage was 16.3 feet.
- Flood stage is 16.5 feet.
- Forecast...The river is expected to rise above flood stage
this afternoon and continue rising to a crest of 17.4 feet
late this evening. The river will slowly fall and may briefly
fall just below flood stage on Wednesday.
- http://www.weather.gov/safety/flood
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Mansfield, Waterville, and Badger Mountain Road.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.