* WHAT...For the Coastal Flood Advisory, minor coastal flooding
expected. Inundation of around 2.5 to 2.75 feet above ground
level is possible along shorelines and low-lying coastal
areas. For the High Surf Advisory, large breaking waves of 18
to 23 feet in the surf zone.
* WHERE...North Coast zone.
* WHEN...For the High Surf Advisory, until 10 AM PST Friday. For
the Coastal Flood Advisory, until 2 PM PST this afternoon.
* IMPACTS...Significant coastal flooding due to high tides and
storm surge is expected. This could lead to road closures. Low
lying property including homes, businesses, and some critical
infrastructure may be inundated. Shoreline erosion or damage
may occur. For the high surf advisory, large waves may wash
over beaches, jetties, and other structures unexpectedly.
People can be swept off rocks and jetties, and drown while
observing high surf.
* ADDITIONAL DETAILS...The combination of very large waves, a
large high tide occuring around 9 AM, and low pressure will
yield the potential for significant coastal flooding and may
maintain some overflow longer than normal after the peak of
the high tide.
* WHAT...For the Coastal Flood Warning, significant coastal
flooding expected. Inundation of between 2 and 2.5 feet above
ground level is possible along shorelines and low-lying
coastal areas. For the High Surf Advisory, large breaking
waves of 18 to 23 feet in the surf zone.
* WHERE...Central Coast zone.
* WHEN...For the High Surf Advisory, until 10 AM PST Friday. For
the Coastal Flood Warning, until 2 PM PST this afternoon.
* IMPACTS...Significant coastal flooding due to high tides and
storm surge is expected. This could lead to road closures. Low
lying property including homes, businesses, and some critical
infrastructure may be inundated. Shoreline erosion or damage
may occur. For the high surf advisory, large waves may wash
over beaches, jetties, and other structures unexpectedly.
People can be swept off rocks and jetties, and drown while
observing high surf.
* ADDITIONAL DETAILS...The combination of very large waves, a
large high tide occuring around 9 AM, and low pressure will
yield the potential for significant coastal flooding and may
maintain some overflow longer than normal after the peak of
the high tide.
* WHAT...For the Coastal Flood Warning, significant coastal
flooding expected. Inundation of between 2 and 2.5 feet above
ground level is possible along shorelines and low-lying
coastal areas. For the High Surf Advisory, large breaking
waves of 18 to 23 feet in the surf zone.
* WHERE...Central Coast zone.
* WHEN...For the High Surf Advisory, until 10 AM PST Friday. For
the Coastal Flood Warning, until 2 PM PST this afternoon.
* IMPACTS...Significant coastal flooding due to high tides and
storm surge is expected. This could lead to road closures. Low
lying property including homes, businesses, and some critical
infrastructure may be inundated. Shoreline erosion or damage
may occur. For the high surf advisory, large waves may wash
over beaches, jetties, and other structures unexpectedly.
People can be swept off rocks and jetties, and drown while
observing high surf.
* ADDITIONAL DETAILS...The combination of very large waves, a
large high tide occuring around 9 AM, and low pressure will
yield the potential for significant coastal flooding and may
maintain some overflow longer than normal after the peak of
the high tide.
* WHAT...For the Coastal Flood Advisory, minor coastal flooding
expected. Inundation of around 2.5 to 2.75 feet above ground
level is possible along shorelines and low-lying coastal
areas. For the High Surf Advisory, large breaking waves of 18
to 23 feet in the surf zone.
* WHERE...North Coast zone.
* WHEN...For the High Surf Advisory, until 10 AM PST Friday. For
the Coastal Flood Advisory, until 2 PM PST this afternoon.
* IMPACTS...Significant coastal flooding due to high tides and
storm surge is expected. This could lead to road closures. Low
lying property including homes, businesses, and some critical
infrastructure may be inundated. Shoreline erosion or damage
may occur. For the high surf advisory, large waves may wash
over beaches, jetties, and other structures unexpectedly.
People can be swept off rocks and jetties, and drown while
observing high surf.
* ADDITIONAL DETAILS...The combination of very large waves, a
large high tide occuring around 9 AM, and low pressure will
yield the potential for significant coastal flooding and may
maintain some overflow longer than normal after the peak of
the high tide.
* WHAT...Minor coastal flooding expected. Inundation of 2 to
2.25 feet above ground level is possible along shorelines and
low- lying coastal areas.
* WHERE...Eastern Strait of Juan de Fuca and Western Strait of
Juan De Fuca zones.
* WHEN...Until 2 PM PST this afternoon.
* IMPACTS...Minor coastal flooding due to tidal overflow is
expected around high tide. This may lead to flooding of
parking lots, parks, and roads, with only isolated road
closures expected.
ESFSEW
An atmospheric river brought 3 to 5 inches of precipitation to the
Olympic mountains Wednesday into Thursday morning with snow levels
around 4000 feet. While precipitation will be much less with the
systems beginning Friday the lack of much of a break will keep
rivers over the Southwest Interior rising into the weekend. It is
possible the lower reaches of the Chehalis could flood Saturday. The
Skookumchuck near Bucoda, Newaukum near Chehalis and the Satsop near
Satsop could reach action stage late Friday into Saturday.
Please monitor the latest river forecasts from the National Weather
Service for additional information.
* WHAT...Heavy snow at or above elevations greater than 3500 ft.
Additional snow accumulations between 6 and 18 inches. Winds
gusting as high as 55 mph later this morning into the afternoon.
* WHERE...West Slopes North Cascades and Passes, West Slopes North
Central Cascades and Passes, and West Slopes South Central
Cascades and Passes.
* WHEN...Until 10 PM PST this evening.
* IMPACTS...Travel could be very difficult to impossible. Strong
winds could cause extensive damage to trees and power lines.
* ADDITIONAL DETAILS...Snoqualmie Pass at 3000 feet will get another
4 to 8 inches of snow this morning before the precipitation
changes over to rain.
* WHAT...Heavy snow at or above elevations greater than 4000 ft.
Additional snow accumulations between 4 and 8 inches. Winds
gusting as high as 65 mph.
* WHERE...Olympics.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be very difficult to impossible. Very
strong winds could cause extensive damage to trees and power lines.
* WHAT...Heavy snow. Additional snow accumulations between 6 and 18
inches. Winds gusting as high as 50 mph.
* WHERE...Stevens Pass, Stehekin, and Holden Village.
* WHEN...Until 10 PM PST this evening.
* IMPACTS...Travel could be very difficult leading up to and over
Stevens Pass. Heavy wet snow falling at one inch per hour or more
at times could lead to isolated tree damage and power outages.
Areas of blowing snow could significantly reduce visibility.
* ADDITIONAL DETAILS...Lighter snow amounts will be possible at
Stehekin due to marginal temperatures near or above freezing.
* WHAT...Snow. Additional snow accumulations of 2 to 6 inches.
* WHERE...Orin-Rice Road, Northport, Metaline, Tiger,
Springdale-Hunters Road, Ione, Metaline Falls, Deer Park,
Fruitland, Flowery Trail Road, Newport, Colville, Chewelah, and
Kettle Falls.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Travel could be very difficult.
* ADDITIONAL DETAILS...Lowest confidence in snow amounts is along
the Columbia and Pend Oreille Rivers where warmer temperatures
could limit accumulations.
* WHAT...Heavy snow. Additional snow accumulations between 2 and 7
inches.
* WHERE...Leavenworth and Plain.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Travel could be very difficult. Heavy wet snow falling
at one inch per hour or more at times could lead to isolated tree
damage and power outages.
* WHAT...Heavy snow. Additional snow accumulations between 2 and 8
inches.
* WHERE...Winthrop, Conconully, Twisp, Methow, Mazama, and Loup Loup
Pass.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Travel could be very difficult. Heavy wet snow falling
at one inch per hour or more at times could lead to isolated tree
damage and power outages.
* WHAT...Heavy snow. Additional snow accumulations between 2 and 6
inches.
* WHERE...Boulder Creek Road, Wauconda, Republic, Chesaw Road,
Inchelium, Sherman Pass, and Highway 20 Wauconda Summit.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Travel could be very difficult. Heavy wet snow falling
at one inch per hour or more at times could lead to isolated tree
damage and power outages.
* WHAT...Heavy snow. Additional snow accumulations of 1 to 3 inches.
* WHERE...Brewster, Okanogan, Omak, Nespelem, Badger Mountain Road,
Waterville, Tonasket, Disautel Pass, Bridgeport, Mansfield, and
Oroville.
* WHEN...Until 7 AM PST this morning.
* IMPACTS...Travel could be very difficult. Snowfall rates of one
inch per hour are expected at times into early Thursday morning.
* WHAT...Heavy snow. Additional snow accumulations up to two inches.
* WHERE...Entiat, Number 2 Canyon, Number 1 Canyon, Wenatchee,
Cashmere, Pangborn Airport, and Chelan.
* WHEN...Until 7 AM PST this morning.
* IMPACTS...Travel could be very difficult. Snowfall rates of one
inch per hour are expected at times into early Thursday morning.
* WHAT...Snow expected above 4000 feet. From 4000 feet to 5000 feet,
total snow accumulation up to 4 to 10 inches, with lower amounts
closer to 4000 feet. Above 5000 feet, total snow accumulations of
12 to 24 inches. Winds gusting as high as 45 mph today.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...Until noon PST Friday.
* IMPACTS...Travel could difficult at times. Strong winds could
cause damage to trees and power lines.
* WHAT...South to southwest winds 20 to 30 mph with gusts 50 to 65
mph early this morning, will becoming southwest to west after 5
am. Strongest winds will be between 4 am and 9 am today, and
primarily above 1000 feet. Gusts up to 45 mph are possible in the
more exposed low valleys.
* WHERE...Willapa Hills.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Damaging winds may blow down trees and power lines. Some
power outages are expected. Travel will be difficult, especially
for high profile vehicles.
* WHAT...South to southwest winds 25 to 35 mph with gusts 55 to 65
mph, with the strongest winds along the headlands and open exposed
areas. Winds will turn more southwest to west after 5 am.
* WHERE...In Oregon, Clatsop County Coast. In Washington, South
Washington Coast.
* WHEN...Until 8 AM PST this morning.
* IMPACTS...Damaging winds may blow down trees and power lines. Some
power outages are expected. Travel will be difficult, especially
for high profile vehicles.
* WHAT...South to southwest winds 20 to 25 mph with gusts 35 to 50
mph.
* WHERE...Central and Southern Willamette Valley, Tualatin Valley,
Portland West Hills and Chehalem Mountain, Inner Portland Metro,
North Clark County Lowlands, and Inner Vancouver Metro.
* WHEN...Until 6 AM PST early this morning.
* 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.
.Two and a half to four inches of precipitation over the South
Slopes of the Olympics Wednesday into Thursday morning will push the
Skokomish River into moderate flood stage Thursday.
* 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 12:30 AM PST Thursday the stage was 16.7 feet.
- Flood stage is 16.5 feet.
- Forecast...The river is expected to rise to 17.6 feet late
this morning. The river will remain steady this afternoon
then slowly begin to recede tonight.
- http://www.weather.gov/safety/flood
