An atmospheric river into Thursday is expected to produce heavy
rainfall across parts of the region.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northwest Washington, including the following
county, Clallam.
* WHEN...From 4 PM PST this afternoon through Friday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Rainfall accumulations of 3 to 5 inches over the Olympics
expected. Expect rises on rivers and streams due to the heavy
precipitation, and the Bogachiel River may rise above flood
stage Thursday.
- http://www.weather.gov/safety/flood
* WHAT...Heavy snow expected. Total snow accumulations between 12
and 24 inches. Winds gusting as high as 45 mph.
* WHERE...Stevens Pass, Holden Village, and Stehekin.
* WHEN...From 1 PM this afternoon to 10 PM PST Thursday.
* 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 expected. Total snow accumulations between 2 and 6
inches in the valleys and 5 to 8 inches in the mountains.
* WHERE...Metaline, Orin-Rice Road, Fruitland, Tiger, Flowery Trail
Road, Springdale-Hunters Road, Deer Park, Metaline Falls, Kettle
Falls, Colville, Chewelah, Newport, Northport, and Ione.
* WHEN...Winter travel conditions are expected Thursday morning.
* IMPACTS...Lowest confidence in snow amounts is along the Columbia
and Pend Oreille Rivers where warmer temperatures could limit
accumulations.
* ADDITIONAL DETAILS...Lowest confidence in snow amounts is along
the Columbia and Pend Oreille Rivers where warmer temperatures
could limit accumulations.
* WHAT...Heavy snow expected. Total snow accumulations between 8 and
15 inches. Winds gusting as high as 35 mph.
* WHERE...Loup Loup Pass, Methow, Mazama, Conconully, Winthrop, and
Twisp.
* WHEN...From 1 PM this afternoon to 1 PM PST Thursday.
* IMPACTS...Travel could be very difficult to impossible. 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 expected. Total snow accumulations between 4 and
10 inches.
* WHERE...Wauconda, Inchelium, Sherman Pass, Highway 20 Wauconda
Summit, Boulder Creek Road, Chesaw Road, and Republic.
* WHEN...From 4 PM this afternoon to 1 PM PST Thursday.
* IMPACTS...Travel could be very difficult to impossible. 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 expected. Total snow accumulations between 9 and
16 inches.
* WHERE...Leavenworth and Plain.
* WHEN...From 1 PM this afternoon to 1 PM PST Thursday.
* 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.
* ADDITIONAL DETAILS...The heaviest snow is expected to fall between
10PM and 4AM Thursday.
* WHAT...Heavy snow expected. Total snow accumulations between 2 and
6 inches below 2500 feet and 6 to 10 inches on higher benches
above 2500 feet.
* WHERE...Oroville, Mansfield, Disautel Pass, Okanogan, Bridgeport,
Nespelem, Waterville, Tonasket, Badger Mountain Road, Brewster,
and Omak.
* WHEN...From 4 PM this afternoon to 7 AM PST Thursday.
* IMPACTS...Travel could be very difficult. Snowfall rates of one
inch per hour are expected at times Christmas night into early
Thursday morning.
* ADDITIONAL DETAILS...Lowest confidence in snow amounts is along
the Columbia and Okanogan Rivers where warmer temperatures could
limit accumulations.
* WHAT...Snow expected for the Highway 2 Corridor Across the Upper
Columbia Basin. Total snow accumulations between 2 and 4 inches.
Winds gusting as high as 35 mph.
* WHERE...Grand Coulee, Coulee City, Creston, and Wilbur.
* WHEN...From 4 PM this afternoon to 7 AM PST Thursday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow expected. Total snow accumulations between 1 and 4
inches at lower elevations near the Columbia River and 4 to 8
inches above 2000 feet on higher benches.
* WHERE...Cashmere, Wenatchee, Chelan, Entiat, Pangborn Airport,
Number 2 Canyon, and Number 1 Canyon.
* WHEN...From 1 PM this afternoon to 7 AM PST Thursday.
* IMPACTS...Travel could be very difficult. Snowfall rates of one
inch per hour are expected at times Christmas night into early
Thursday morning.
* WHAT...Heavy snow expected at or above elevations greater than
3500 ft. Total snow accumulations between 18 and 36 inches.
Highest new snow totals at Mount Baker and Mount Rainier. Winds
gusting as high as 50 mph.
* WHERE...West Slopes North Cascades and Passes, West Slopes North
Central Cascades and Passes, and West Slopes South Central
Cascades and Passes.
* WHEN...From 10 AM this morning to 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult to impossible. Gusty
winds could bring down tree branches.
* WHAT...Heavy snow expected at or above elevations greater than
4000 ft. Total snow accumulations between 15 and 30 inches. Winds
gusting as high as 60 mph.
* WHERE...Olympics.
* WHEN...Until 4 PM PST Thursday.
* IMPACTS...Travel could be very difficult to impossible. Strong
winds could cause extensive damage to trees and power lines.
* WHAT...Large breaking waves of 16 to 22 feet expected in the
surf zone.
* WHERE...North Coast and Central Coast zones.
* WHEN...From 9 AM this morning to 10 AM PST Friday.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion.
...Forecast flooding changed from Minor to Moderate severity for the
following rivers in Washington...
Skokomish River At Potlatch affecting Mason County.
.The river will remain near flood stage today then rise tonight into
Thursday cresting in moderate flood stage Thursday morning.
* WHAT...Moderate flooding is forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Through the weekend.
* 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 Wednesday the stage was 16.4 feet.
- Flood stage is 16.5 feet.
- Forecast...The river is expected to remain near flood stage
today then rise tonight into Thursday cresting near 17.7 feet
late Thursday morning.
- http://www.weather.gov/safety/flood
* WHAT...For the Wind Advisory, southeast winds 20 to 30 mph with
gusts up to 50 mph expected. For the High Wind Watch, southeast
winds 25 to 35 mph with gusts up to 60 mph possible.
* WHERE...Admiralty Inlet Area, San Juan County, Western Skagit
County, and Western Whatcom County.
* WHEN...For the Wind Advisory, from 7 AM this morning to 10 PM PST
this evening. For the High Wind Watch, from this evening through
Thursday 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...For the Wind Advisory, southeast winds 20 to 35 mph with
gusts up to 50 mph expected. For the High Wind Warning, south
winds 30 to 40 mph with gusts up to 60 mph late tonight becoming
west Thursday morning.
* WHERE...North Coast.
* WHEN...For the Wind Advisory, until 4 PM PST this afternoon. For
the High Wind Warning, from 10 PM this evening to 1 PM PST
Thursday.
* IMPACTS...Damaging winds will blow down trees and power lines.
Widespread power outages are expected. Travel will be difficult,
especially for high profile vehicles.
* WHAT...South winds 25 to 40 mph with gusts up to 60 mph late
tonight. Winds becoming west 25 to 40 mph with gusts 50 to 60 mph
Thursday morning.
* WHERE...Central Coast.
* WHEN...From 10 PM this evening to 1 PM PST Thursday.
* IMPACTS...Damaging winds will blow down trees and power lines.
Widespread power outages are expected. Travel will be difficult,
especially for high profile vehicles.
* WHAT...For the Wind Advisory, southeast winds 20 to 30 mph with
gusts up to 50 mph expected. For the High Wind Watch, southeast
winds 25 to 35 mph with gusts up to 60 mph possible.
* WHERE...Admiralty Inlet Area, San Juan County, Western Skagit
County, and Western Whatcom County.
* WHEN...For the Wind Advisory, from 7 AM this morning to 10 PM PST
this evening. For the High Wind Watch, from this evening through
Thursday 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...For the Wind Advisory, southeast winds 20 to 35 mph with
gusts up to 50 mph expected. For the High Wind Warning, south
winds 30 to 40 mph with gusts up to 60 mph late tonight becoming
west Thursday morning.
* WHERE...North Coast.
* WHEN...For the Wind Advisory, until 4 PM PST this afternoon. For
the High Wind Warning, from 10 PM this evening to 1 PM PST
Thursday.
* IMPACTS...Damaging winds will blow down trees and power lines.
Widespread power outages are expected. Travel will be difficult,
especially for high profile vehicles.
* WHAT...For the High Surf Advisory, large waves and hazardous
surf conditions. Breakers 25 to 30 feet. For the Coastal Flood
Advisory, tidal overflow flooding expected.
* WHERE...South Washington Coast.
* WHEN...For the High Surf Advisory, from 4 PM this afternoon to
4 PM PST Friday. For the Coastal Flood Advisory, from 6 AM to
noon PST Thursday.
* IMPACTS...Minor flooding, up to two feet above ground level,
during high tides is expected in the low lying areas near bays,
sloughs, and the lower reaches of the coastal rivers.
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.
* ADDITIONAL DETAILS...Toke Point is forecast to reach 12 feet at
9 am on Thursday.
* WHAT...For the High Surf Advisory, large waves and hazardous
surf conditions. Breakers 25 to 30 feet. For the Coastal Flood
Advisory, tidal overflow flooding expected.
* WHERE...South Washington Coast.
* WHEN...For the High Surf Advisory, from 4 PM this afternoon to
4 PM PST Friday. For the Coastal Flood Advisory, from 6 AM to
noon PST Thursday.
* IMPACTS...Minor flooding, up to two feet above ground level,
during high tides is expected in the low lying areas near bays,
sloughs, and the lower reaches of the coastal rivers.
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.
* ADDITIONAL DETAILS...Toke Point is forecast to reach 12 feet at
9 am on Thursday.
