* WHAT...Minor coastal flooding expected. Inundation of around 2
feet above ground level is possible along shorelines and low-
lying coastal areas.
* WHERE...Western Whatcom County, Southwest Interior, Western
Skagit County, Everett and Vicinity, Tacoma Area, Admiralty
Inlet Area, Hood Canal Area, Seattle and Vicinity and
Bremerton and Vicinity zones.
* WHEN...From 4 AM to 10 AM PST Sunday.
* 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 peak around 630 AM PST
Sunday.
* WHAT...Minor coastal flooding expected. Inundation of around 2
feet above ground level is possible along shorelines and low-
lying coastal areas.
* WHERE...San Juan County zone.
* WHEN...From 4 AM to 10 AM PST Sunday.
* 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 peak around 730 AM PST
Sunday.
* WHAT...Minor coastal flooding expected. Inundation of around 2
feet above ground level is possible along shorelines and low-
lying coastal areas during the high tides on Saturday and
Sunday.
* WHERE...Eastern Strait of Juan de Fuca and Western Strait of
Juan De Fuca zones.
* WHEN...For the first Coastal Flood Advisory, from 10 AM to 5
PM PST Saturday. For the second Coastal Flood Advisory, from
10 AM to 5 PM PST Sunday.
* 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 on Saturday will peak around 1 PM
PST. High tide on Sunday will peak around 2 PM PST.
* WHAT...Moderate to major coastal flooding expected. Inundation
of around 2.5 to 3 feet above ground level is possible along
shorelines and low-lying coastal areas during the high tides on
Saturday and Sunday.
* WHERE...North Coast and Central Coast zones.
* WHEN...From 9 AM to 4 PM PST both Saturday and Sunday.
* IMPACTS...Significant coastal flooding due to high tides and
storm surge is expected. This is expected to lead to numerous
road closures. Low lying property including homes, businesses,
and some critical infrastructure may be inundated. Shoreline
erosion or damage may occur.
* ADDITIONAL DETAILS...Large waves and onshore flow may exacerbate
the impacts of coastal flooding on Sunday. High tide on Saturday
will peak around 12 PM PST. High tide on Sunday will peak around
1 PM PST.
* WHAT...Heavy snow possible. Total snow accumulations of up to 18
inches possible. Winds could gust as high as 35 mph.
* WHERE...West Slopes of the Northern and Central Oregon Cascades,
and South Washington Cascades..
* WHEN...From Sunday morning through Monday evening.
* IMPACTS...Travel could be very difficult.
* WHAT...For the Beach Hazards Statement, Sneaker waves
possible. For the Coastal Flood Advisory, tidal overflow
flooding expected.
* WHERE...South Washington Coast.
* WHEN...For the Beach Hazards Statement, until 7 PM PST this
evening. For the Coastal Flood Advisory, from 11 AM to 2 PM
PST Saturday.
* IMPACTS...Minor flooding, up to one foot above ground level,
during high tides is expected in the low lying areas near
bays, sloughs, highway 101, and the lower reaches of the
coastal rivers.
* WHAT...For the Beach Hazards Statement, Sneaker waves
possible. For the Coastal Flood Advisory, tidal overflow
flooding expected.
* WHERE...South Washington Coast.
* WHEN...For the Beach Hazards Statement, until 7 PM PST this
evening. For the Coastal Flood Advisory, from 11 AM to 2 PM
PST Saturday.
* IMPACTS...Minor flooding, up to one foot above ground level,
during high tides is expected in the low lying areas near
bays, sloughs, highway 101, and the lower reaches of the
coastal rivers.
* WHAT...Heavy snow possible. Total snow accumulations of up to 18
inches possible. Winds could gust as high as 35 mph.
* WHERE...West Slopes of the Northern and Central Oregon Cascades,
and South Washington Cascades..
* WHEN...From Sunday morning through Monday evening.
* IMPACTS...Travel could be very difficult.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon.
* WHEN...Until 7 PM PST this evening.
* IMPACTS...Waves can run up significantly farther on a beach than
normal, including over rocks and jetties. Sneaker waves can
suddenly knock people off of their feet and quickly pull them
into the frigid ocean which may lead to serious injury or
drowning.
...WINTER WEATHER HIGHLIGHTS...
.An upper level trough will bring with it a cold front, lowering the
snow levels. Snow may briefly turn to rain due to a brief warm front
along the WA Cascades and the Blue Mountains on Sunday. Another cold
front Sunday will bring snow back to include the OR Cascades this
round. Snow totals will be highest along the crests and through the
Passes.
* WHAT...Heavy snow expected above 2500 ft. Total snow accumulations
between 10 and 20 inches.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...From 10 AM Saturday to 10 PM PST Monday.
* IMPACTS...Heavy snowfall and very low visibility will create
extremely dangerous driving conditions.
...WINTER WEATHER HIGHLIGHTS...
.An upper level trough will bring with it a cold front, lowering the
snow levels. Snow may briefly turn to rain due to a brief warm front
along the WA Cascades and the Blue Mountains on Sunday. Another cold
front Sunday will bring snow back to include the OR Cascades this
round. Snow totals will be highest along the crests and through the
Passes.
* WHAT...Heavy snow expected Above 4000 ft. Total snow accumulations
between 10 and 13 inches. Winds gusting as high as 35 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 10 AM Saturday to 10 PM PST Monday.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with low visibility to create very difficult
driving conditions.
...WINTER WEATHER HIGHLIGHTS...
.An upper level trough will bring with it a cold front, lowering the
snow levels. Snow may briefly turn to rain due to a brief warm front
along the WA Cascades and the Blue Mountains on Sunday. Another cold
front Sunday will bring snow back to include the OR Cascades this
round. Snow totals will be highest along the crests and through the
Passes.
* WHAT...Heavy snow possible above 4000 ft. Total snow accumulations
between 8 and 14 inches possible. Winds could gust as high as 35
mph.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...From Sunday morning through Monday evening.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with low visibility to create very difficult
driving conditions.
...WINTER WEATHER HIGHLIGHTS...
.An upper level trough will bring with it a cold front, lowering the
snow levels. Snow may briefly turn to rain due to a brief warm front
along the WA Cascades and the Blue Mountains on Sunday. Another cold
front Sunday will bring snow back to include the OR Cascades this
round. Snow totals will be highest along the crests and through the
Passes.
* WHAT...Heavy snow expected Above 4000 ft. Total snow accumulations
between 10 and 13 inches. Winds gusting as high as 35 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 10 AM Saturday to 10 PM PST Monday.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with low visibility to create very difficult
driving conditions.
Heavy mountain snow will fall between Saturday afternoon and Monday
evening. Elevations between 1500 and 3000 feet will also see a
chance of snow during the overnight hours, transitioning to rain
during the day as temperatures warm.
* WHAT...Heavy snow possible. Total snow accumulations of 12 to 24
inches above 4000 feet and 1 to 6 inches in the valleys.
* WHERE...Mazama, Twisp, Stehekin, Conconully, Winthrop, Loup Loup
Pass, Methow, Holden Village, Washington Pass and Stevens Pass.
* WHEN...From 10 AM Saturday to 10 PM PST Monday.
* IMPACTS...Travel could be very difficult to impossible over
mountain passes.
* ADDITIONAL DETAILS...Snow may briefly transition to rain over
Stevens Pass Sunday morning before changing back to snow Sunday
afternoon. Slushy conditions are possible where rain occurs.
Heavy mountain snow will fall between Saturday afternoon and Monday
evening. Elevations between 1500 and 3000 feet will also see a
chance of snow during the overnight hours, transitioning to rain
during the day as temperatures warm.
* WHAT...Snow expected. Total snow accumulations of 4 to 9 inches
above 2500 feet with 1 to 4 inches below 2500 feet.
* WHERE...Orin-Rice Road, Wauconda, Inchelium, Metaline Falls,
Republic, Deer Park, Tiger, Chesaw Road, Springdale-Hunters Road,
Ione, Kettle Falls, Fruitland, Flowery Trail Road, Boulder Creek
Road, Northport, Chewelah, Highway 20 Wauconda Summit, Metaline,
Sherman Pass, Newport, and Colville.
* WHEN...From 4 PM Saturday to 10 AM PST Monday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the morning commutes.
* ADDITIONAL DETAILS...Snow will fall mainly in the overnight hours
at lower elevations, transitioning to rain during the day as
temperatures warm.
Heavy mountain snow will fall between Saturday afternoon and Monday
evening. Elevations between 1500 and 3000 feet will also see a
chance of snow during the overnight hours, transitioning to rain
during the day as temperatures warm.
* WHAT...Snow expected. Total snow accumulations of 8 to 12 inches
above 2500 feet with 2 to 6 inches below 2500 feet.
* WHERE...Blewett Pass, Leavenworth and Plain.
* WHEN...From 10 AM Saturday to 10 PM PST Sunday.
* IMPACTS...Travel could be difficult.
* ADDITIONAL DETAILS...For elevations below 3000 feet, snow will
fall mainly in the overnight hours, transitioning to rain during
the day as temperatures warm.
* WHAT...Heavy snow possible. Total snow accumulations between 4 and
18 inches possible. Winds could gust as high as 35 mph.
* WHERE...The southern Oregon Cascades and Siskiyou Mountains. This
includes portions of highways 58, 230, 138, 62, 140, and 66. It
also includes the areas of Willamette Pass, Crater Lake, Diamond
Lake, Union Creek, and Lake of the Woods.
* WHEN...From Sunday afternoon through Monday evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could be very difficult
to impossible. The hazardous conditions could impact the Monday
morning and evening commutes.
* ADDITIONAL DETAILS...Snow levels will be around 6000 feet early
Sunday afternoon then fall rapidly to pass levels by Sunday
evening. Snow is then likely to continue into Monday evening.
* WHAT...Heavy snow possible Above 2500 feet. Total snow
accumulations between 2 and 17 inches possible.
* WHERE...Eastern Douglas County Foothills County. This includes
Toketee Falls.
* WHEN...From Sunday afternoon through Monday evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could be very difficult
to impossible. The hazardous conditions could impact the Monday
morning and evening commutes.
* ADDITIONAL DETAILS...Snow levels will be around 6000 feet early
Sunday afternoon then fall rapidly during Sunday evening. Snow
levels will remain around 2500 to 3000 feet in Eastern Douglas
County Sunday evening through Monday evening.
The threat for coastal flooding has ended along the Pacific
Coast, with observations falling below flood stage at this time.
The risk for coastal flooding continues this weekend during
periods of high tide.
* WHAT...Heavy snow expected at or above elevations greater than
2000 ft. Total snow accumulations between 12 and 24 inches, with
locally higher amounts over the highest peaks.
* 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 Saturday to 10 PM PST Monday.
* IMPACTS...Travel conditions across the Passes, including Stevens
and Snoqualmie, will likely become challenging over the weekend as
snow levels rapidly rise above 6000 feet Saturday, then fall to
2000 feet Sunday.
* ADDITIONAL DETAILS...The heaviest snowfall will occur Sunday once
snow levels drop below Pass level.