* WHAT...Blizzard conditions expected at or above elevations greater
than 2500 ft. Total snow accumulations between 4 and 12 inches,
with locally higher amounts over the highest peaks. Winds gusting
as high as 60 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 4 PM this afternoon to 10 AM PST Wednesday.
* IMPACTS...Travel could be very difficult to impossible. Strong
winds could cause extensive damage to trees and power lines.
* ADDITIONAL DETAILS...Strong east winds with snow levels 2500 to
3000 feet in the Cascade Passes tonight into Wednesday morning.
The greatest reductions in visibility will likely occur near the
Cascade Crest.
Precipitation in the south slopes of the Olympics tonight into
Wednesday could push the already running high Skokomish River over
flood stage.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northwest Washington, including the following
county, Mason.
* WHEN...From late tonight through late Wednesday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Two to three inches of rain in the Olympics will force sharp
rises on the Skokomish River with flooding possible.
Relatively low snow levels may diminish the chance of
flooding.
- http://www.weather.gov/safety/flood
* WHAT...Large waves and hazardous surf conditions. Breakers 21 to
26 feet.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...From 7 PM this evening to 4 PM PST Wednesday.
* 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...Southeast winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...Clarkston, Alpowa Summit, and Pomeroy.
* WHEN...From 7 PM this evening to 10 AM PST Wednesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Snow expected. Total snow accumulations between 3 and 6
inches in the valleys and 6 and 12 inches in the mountains.
* WHERE...Chewelah, Eastport, Sandpoint, Tiger, Bonners Ferry, Deer
Park, Schweitzer Mountain Road, Ione, Orin-Rice Road, Metaline
Falls, Northport, Flowery Trail Road, Fruitland, Newport,
Colville, Priest River, Clark Fork, Springdale-Hunters Road,
Athol, Kettle Falls, and Metaline.
* WHEN...From midnight tonight to 10 PM PST Wednesday.
* IMPACTS...Travel could be very difficult. Winter driving
conditions could impact the Wednesday morning and evening commutes.
* WHAT...Heavy snow. Total snow accumulations between 4 and 8 inches
in the valleys and 8 and 14 inches in the mountains. Winds could
gust as high as 30 mph.
* WHERE...Boulder Creek Road, Highway 20 Wauconda Summit, Wauconda,
Brewster, Bridgeport, Chesaw Road, Oroville, Sherman Pass,
Disautel Pass, Nespelem, Okanogan, Omak, Inchelium, Republic, and
Tonasket.
* WHEN...From 10 PM this evening to 4 PM PST Wednesday.
* IMPACTS...Travel could be very difficult. Winter driving
conditions could impact the Wednesday morning and evening commute.
* ADDITIONAL DETAILS...Snowfall rates of 1 inch per hour will be
possible at times.
* WHAT...Heavy snow expected. Total snow accumulations between 7 to
12 inches in the valleys and 12 and 20 inches in the mountains.
Winds could gust as high as 50 mph on the ridgetops.
* WHERE...Mazama, Methow, Winthrop, Loup Loup Pass, Twisp, and
Conconully.
* WHEN...From 4 PM this afternoon to 4 PM PST Wednesday.
* IMPACTS...Travel could be very difficult. Blowing snow could
significantly reduce visibility in the mountains. The hazardous
conditions could impact the Tuesday evening and Wednesday morning
commutes. Strong winds could cause damage to trees and power lines.
* ADDITIONAL DETAILS...Snowfall rates of 1 to 2 inches per hour will
be possible at times.
* WHAT...Snow expected. Total snow accumulations between 1 and 3
inches below 4000 feet and 5 to 9 inches above 4000 feet. Winds
gusting as high as 50 mph.
* WHERE...Cloverland Road, Peola, Anatone, and Mountain Road.
* WHEN...From 10 PM this evening to 10 AM PST Wednesday.
* IMPACTS...Winter travel conditions expected during the Wednesday
morning commute. Gusty winds could bring down small tree branches.
* WHAT...Blizzard conditions expected for elevations above 2500
feet. Total snow accumulations between 8 and 16 inches. Winds
gusting as high as 50 mph for portions of US 2 from Coles Corner
to Stevens Pass.
* WHERE...Holden Village, Stevens Pass, and Stehekin.
* WHEN...From 4 PM this afternoon to 10 AM PST Wednesday.
* IMPACTS...Visibilities may drop below 1/4 mile due to falling and
blowing snow. Travel could be very difficult. Strong winds could
cause extensive damage to trees and power lines.
* ADDITIONAL DETAILS...Snowfall rates of 1 to 2 inches per hour will
be possible at times.
* WHAT...Snow expected. For areas along and north of I-90, total
snow accumulations between 2 and 4 inches. For areas south of
I-90, total snow accumulations between 1 and 3 inches.
* WHERE...Downtown Spokane, Genesee, Colfax, Tekoa, Odessa, Pullman,
Wilbur, Rockford, Coeur d'Alene, Potlatch, Fairfield, Worley, La
Crosse, Cheney, Post Falls, Plummer, Moscow, Hayden, Coulee City,
Grand Coulee, Harrington, Creston, Oakesdale, Uniontown, Rosalia,
Davenport, Airway Heights, Spokane Valley, and Ritzville.
* WHEN...From 10 PM this evening to 10 AM PST Wednesday.
* IMPACTS...Plan on slippery road conditions. Winter driving
conditions could impact the Wednesday morning commute.
* WHAT...Heavy snow expected. Total snow accumulations between 6 and
12 inches. Winds could gust as high as 40 mph on the Waterville
Plateau.
* WHERE...Pangborn Airport, Badger Mountain Road, Leavenworth,
Waterville, Chelan, Number 1 Canyon, Plain, Mansfield, Entiat,
Number 2 Canyon, Cashmere, and Wenatchee.
* WHEN...From 4 PM this afternoon to 10 AM PST Wednesday.
* IMPACTS...Travel could be very difficult. Light snow will develop
during the Tuesday evening commute and heavy snow will be
possible by the Wednesday morning commute. Gusty winds could bring
down tree branches and result in blowing snow over the Waterville
Plateau.
* WHAT...Snow expected. Total snow accumulations up to two inches.
Little to no snow accumulation Moses Lake to Othello. Winds
gusting as high as 40 mph.
* WHERE...Quincy, Ephrata, areas of I-90 near George.
* WHEN...From 10 PM this evening to 8 AM PST Wednesday.
* IMPACTS...Plan on winter travel conditions between Quincy and
Ephrata and sections of I-90 near George for the Wednesday morning
commute.
* WHAT...Snow. Additional snow accumulations at pass level up to 3
to 6 inches through Tuesday afternoon, then an additional 6 to 12
inches Tuesday night through Wednesday morning. Winds gusting as
high as 55 mph Tuesday afternoon and overnight.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...Until 10 AM PST Wednesday.
* IMPACTS...Travel could be very difficult at times. Strong winds
could cause extensive damage to trees and power lines.
* ADDITIONAL DETAILS...Snow levels will be around 2000-3000 feet
through Tuesday morning, rising to around 3500-4000 feet by
Tuesday evening. Highest accumulations expected above 4000 feet.
* WHAT...South to southeast winds 20 to 30 mph with gusts up to 45
mph expected.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, and Lower Columbia River and Cowlitz River
Valleys.
* WHEN...From 1 PM this afternoon to 4 AM PST Wednesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Southeast winds 25 to 35 mph with gusts up to 60 mph
expected.
* WHERE...South Washington Coast.
* WHEN...From 1 PM this afternoon to 4 AM PST Wednesday.
* 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 to Southeast winds 30 to 40 mph with gusts up to 60
mph expected.
* WHERE...Foothills of the Blue Mountains of Washington.
* WHEN...From 4 PM this afternoon to 10 AM PST Wednesday.
* 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...Snow expected above 4000 ft. Total snow accumulations
between 6 and 8 inches. Winds gusting as high as 45 mph.
* WHERE...Northwest Blue Mountains.
* WHEN...From 10 PM this evening to 10 AM PST Wednesday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. Gusty winds could bring down tree branches.
* WHAT...Heavy snow expected. Total snow accumulations of 6 to 16
inches. Winds gusting as high as 40 mph.
* WHERE...Lower Slopes of the Eastern Washington Cascades Crest.
* WHEN...From 4 PM this afternoon to 10 AM PST Wednesday.
* IMPACTS...Heavy snowfall and very low visibility will create
extremely dangerous driving conditions. Gusty winds could bring
down tree branches.
* ADDITIONAL DETAILS...Significantly lowered visibilities in
stronger winds will be possible.
* WHAT...Blizzard conditions expected above 2000 feet. Total snow
accumulations between 8 and 20 inches. Winds gusting as high as 60
mph.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...From 4 PM this afternoon to 10 AM PST Wednesday.
* IMPACTS...Visibilities may drop below 1/4 mile due to falling and
blowing snow. Whiteout conditions are expected and will make
travel treacherous and potentially life-threatening.
* WHAT...Wet snow expected. Total snow accumulations 2 to 4 inches,
locally 6-8 across the higher terrain. Winds gusting as high as 35
mph.
* WHERE...Kittitas Valley.
* WHEN...From 4 PM this afternoon to 10 AM PST Wednesday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. The hazardous
conditions could impact the Tuesday evening and Wednesday morning
commutes.
