* 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.
* WHAT...Visibility less than one-half mile in fog.
* WHERE...Lower Columbia Basin of Washington.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility one-quarter mile or less in freezing fog.
* WHERE...Kittitas Valley.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...Central Coast and North Coast.
* WHEN...Until 5 PM PST this afternoon.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Patchy dense fog has developed across the Tri-Cities this morning
and will affect portions of I-82 and I-182, SR-240 and US-395.
Visibilities of less than 1/2 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.
* WHAT...Visibility one-quarter mile or less in freezing fog.
* WHERE...Kittitas Valley and Yakima Valley.
* WHEN...Until 10 AM PST this morning.
* 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.
.The river will be just below minor flood stage until around 10 AM
PST today, but with additional precipitation arriving, it is
forecast to again rise above minor flood stage this afternoon.
* 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 2:30 AM PST Sunday the stage was 16.4 feet.
- Flood stage is 16.5 feet.
- Forecast...The river is expected to rise above flood stage
late this morning and continue rising to 16.9 feet late this
evening. Additional rises are possible thereafter.
- Flood History...This crest compares to a previous crest of
16.8 feet on 11/23/1990.
- http://www.weather.gov/safety/flood
* 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.
* WHAT...Visibility one-quarter mile or less in freezing fog.
* WHERE...Kittitas Valley.
* WHEN...Until 10 AM PST Sunday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility one-quarter mile or less in freezing fog.
* WHERE...Yakima Valley.
* WHEN...Until 10 AM PST Sunday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...Central Coast and North Coast.
* WHEN...From 9 AM to 5 PM PST Sunday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* 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.
Patchy dense fog has developed in the Hanford area this evening,
including along SR 240, and is expected to persist through the
night. Motorists should be prepared for sudden changes in
visibility, slow down when encountering dense fog, and use low-
beam headlights.
Patchy dense fog has developed in the Kittitas Valley this
evening, and is expected to persist through the night.
Temperatures are near or just below freezing, so some localized
freezing fog is also occurring. Motorists should be prepared for
sudden changes in visibility, slow down when encountering dense
fog, and use low-beam headlights.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Moses Lake, Odessa, Othello, Quincy, Badger Mountain Road,
Wilbur, Waterville, Ephrata, Harrington, Ritzville, Coulee City,
Creston, Mansfield, and Grand Coulee.
* WHEN...Until 10 AM PST Sunday.
* IMPACTS...Low visibility could make driving conditions hazardous.
