* 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...Until 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. The weight of wet, heavy snow on tree limbs may down power
lines and could cause sporadic power outages.
* ADDITIONAL DETAILS...Snowfall rates of 1 to 2 inches per hour will
be possible at times.
* WHAT...Blizzard conditions expected for elevations above 2500
feet. Total snow accumulations between 6 and 12 inches with
locally higher amounts over higher peaks. Winds gusting as high as
50 mph for portions of US 2 from Coles Corner to Stevens Pass.
* WHERE...Holden Village, Stehekin, and Stevens Pass.
* WHEN...Until 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.
* WHAT...Wet snow expected. For northern Grant and Lincoln counties,
total snow accumulations between 1.5 and 4 inches. Everywhere
else, 0.5 to 2 inches expected.
* WHERE...Plummer, Downtown Spokane, Coeur d'Alene, Colfax, Tekoa,
Coulee City, Fairfield, Harrington, Ritzville, Worley, Hayden,
Moscow, Wilbur, Post Falls, Odessa, Uniontown, Genesee, Creston,
Airway Heights, La Crosse, Oakesdale, Pullman, Cheney, Spokane
Valley, Potlatch, Davenport, Rockford, Rosalia, and Grand Coulee.
* 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. For elevations above 1000 feet, total
snow accumulations between 6 and 12 inches. For elevations below
1000 feet, total snow accumulations between 2 and 6 inches. Winds
could gust as high as 40 mph on the Waterville Plateau.
* WHERE...Pangborn Airport, Number 2 Canyon, Chelan, Entiat,
Cashmere, Number 1 Canyon, Waterville, Wenatchee, Badger Mountain
Road, Leavenworth, Plain, and Mansfield.
* WHEN...Until 10 AM PST Wednesday.
* IMPACTS...Travel could be very difficult. Light snow will develop
during the late Tuesday evening commute and heavy snow will be
possible by the early Wednesday morning commute. Gusty winds could
bring down tree branches and result in blowing snow over the
Waterville Plateau. The weight of wet, heavy snow on tree limbs
may down power lines and could cause sporadic power outages.
* 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...Anatone, Cloverland Road, Peola, 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...Wet 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...Ephrata, Othello, Moses Lake, and Quincy.
* 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...Southeast winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...Portions of northwest and west central Washington.
* WHEN...Until 4 AM PST Wednesday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Strongest winds will occur Tuesday evening
into early Wednesday morning. Significant impacts may occur at
lower-than-usual wind speeds due to the atypical easterly wind
direction.
* WHAT...East to southeast winds 30 to 40 mph with gusts up to 65
mph expected.
* WHERE...Central Coast, North Coast, Western Strait of Juan De
Fuca, Bellevue and Vicinity, and East Puget Sound Lowlands.
* WHEN...Until 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.
* ADDITIONAL DETAILS...Strongest winds will occur Tuesday evening
into early Wednesday morning. Significant impacts may occur at
lower-than-usual wind speeds due to the atypical easterly wind
direction.
* WHAT...Snow expected at or above elevations greater than 3000 ft.
Total snow accumulations up to 12 to 24 inches with locally higher
amounts over the highest peaks. Blizzard-like conditions are
possible at times due to winds gusting as high as 50 mph.
* WHERE...Olympics.
* WHEN...Until 4 PM PST Wednesday.
* IMPACTS...Travel could be very difficult to impossible. Strong
winds could cause extensive damage to trees and power lines.
* ADDITIONAL DETAILS...Highest east winds will occur along the
northern slopes Tuesday evening into early Wednesday morning.
* WHAT...Blizzard conditions expected at or above elevations greater
than 2500 ft. Total snow accumulations between 3 and 12 inches
with locally higher amounts over the highest peaks. Snow totals of
3 to 7 inches through the Cascade Passes. 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...Until 10 AM PST Wednesday.
* IMPACTS...Travel could be very difficult to impossible. Gusty
winds could bring down tree branches.
* 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.
* WHAT...Large waves of 20 to 24 feet expected in the surf zone.
* WHERE...North Coast and Central Coast zones.
* WHEN...From 7 PM this evening to 4 PM PST Wednesday.
* IMPACTS...Large waves may wash over beaches, jetties, and other
structures unexpectedly. People can be swept off rocks and
jetties and drown wile observing high surf. Localized beach
erosion is possible.
* WHAT...Minor coastal flooding possible. Inundation of around 2
feet above ground level is possible along shorelines and low-
lying coastal areas.
* WHERE...San Juan County and Western Whatcom County zones.
* WHEN...From 7 AM to 1 PM PST Wednesday.
* 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.
* ADDITIONAL DETAILS...High tide will occur around 10 AM PST
Wednesday morning.
* 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...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...Until 10 AM PST Wednesday.
* IMPACTS...Heavy snowfall and very low visibility will create
extremely dangerous driving conditions. Widespread blowing snow
could significantly reduce visibility. 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...Until 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...Until 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.
* 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...Until 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. Additional snow accumulations at pass level of 8 to
12 inches through Wednesday morning. Winds gusting as high as 55
mph Tuesday evening 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 damage to trees and power lines. Blowing snow could
significantly reduce visibility at times.
* ADDITIONAL DETAILS...Snow levels around 2000-3000 feet this
afternoon will rise to 3500-4000 feet by Tuesday evening. Highest
accumulations expected above 4000 feet.
* WHAT...Southeast winds 25 to 35 mph with gusts up to 60 mph.
* WHERE...South Washington Coast.
* WHEN...Until 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.
* ADDITIONAL DETAILS...Strongest gusts expected on beaches and
headlands.
