* WHAT...Snow. Additional snow accumulations between 2 and 4 inches.
* WHERE...Upper and Lower Slopes of the Eastern Washington Cascades
Crest.
* WHEN...Until 10 AM PST Saturday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. Plan on slippery road conditions.
* WHAT...Snow. Additional snow accumulations up to 2 inches.
* WHERE...Kittitas Valley, Simcoe Highlands, and Yakima Valley.
* WHEN...Until 4 AM PST Saturday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow expected at or above elevations greater than 3500 ft.
Total snow accumulations at White Pass of 8 to 12 inches expected.
* WHERE...West Slopes South Central Cascades and Passes.
* WHEN...Until 10 AM PST Sunday.
* IMPACTS...Travel could be difficult.
* WHAT...Snow expected at or above elevations greater than 3500 ft.
Total snow accumulations at Stevens Pass between 8 and 12 inches
expected. Significantly higher amounts will be possible at Mount
Baker Ski Area.
* WHERE...West Slopes North Cascades and Passes and West Slopes
North Central Cascades and Passes.
* WHEN...Until 10 AM PST Sunday.
* IMPACTS...Snow-covered roads and minor travel delays possible
across Stevens Pass.
* ADDITIONAL DETAILS...Lower amounts are expected at Snoqualmie Pass.
...MIXED WINTRY PRECIPITATION LATE THIS AFTERNOON AND TONIGHT...
...MODERATE TO HEAVY SNOW TONIGHT THROUGH SUNDAY MORNING IN THE
NORTHERN BLUE MOUNTAINS...
.A moist warm front will arrive to the Washington and Oregon
Cascades will spread east of the Cascades tonight. Precipitation
will primarily fall as snow, but there will also be areas of light
freezing rain. The northern Blue Mountains above 4500 feet will also
observe moderate to heavy snow with this front.
* WHAT...Snow expected for elevations above 4500 feet. Total snow
accumulations 7 to 10 inches. Winds gusting as high as 35 mph will
cause blowing and drifting of snow.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 8 PM this evening to 7 AM PST Sunday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
...MIXED WINTRY PRECIPITATION LATE THIS AFTERNOON AND TONIGHT...
...MODERATE TO HEAVY SNOW TONIGHT THROUGH SUNDAY MORNING IN THE
NORTHERN BLUE MOUNTAINS...
.A moist warm front will arrive to the Washington and Oregon
Cascades will spread east of the Cascades tonight. Precipitation
will primarily fall as snow, but there will also be areas of light
freezing rain. The northern Blue Mountains above 4500 feet will also
observe moderate to heavy snow with this front.
* WHAT...Mixed precipitation expected. Total snow accumulations up
to one inch and ice accumulations around a light glaze. Winds
gusting as high as 35 mph.
* WHERE...In Oregon, Foothills of the Southern Blue Mountains of
Oregon and North Central Oregon. In Washington, Kittitas Valley,
Simcoe Highlands, and Yakima Valley.
* WHEN...Until 10 AM PST Saturday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Friday evening commute.
...MIXED WINTRY PRECIPITATION LATE THIS AFTERNOON AND TONIGHT...
...MODERATE TO HEAVY SNOW TONIGHT THROUGH SUNDAY MORNING IN THE
NORTHERN BLUE MOUNTAINS...
.A moist warm front will arrive to the Washington and Oregon
Cascades will spread east of the Cascades tonight. Precipitation
will primarily fall as snow, but there will also be areas of light
freezing rain. The northern Blue Mountains above 4500 feet will also
observe moderate to heavy snow with this front.
* WHAT...Mixed precipitation expected. Total snow accumulations up
to 7 inches and ice accumulations around a light glaze.
* WHERE...Upper and Lower Slopes of the Eastern Washington Cascades
Crest.
* WHEN...Until 10 AM PST Saturday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. Plan on slippery road conditions.
* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected.
* WHERE...Admiralty Inlet Area, Central Coast, San Juan County,
Western Skagit County, Western Whatcom County, and Everett and
Vicinity.
* WHEN...From 1 AM to 4 PM PST Saturday.
* 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 are expected along the
central coast, the Admiralty Inlet area, and the San Juans.
* WHAT...South winds 30 to 40 mph with gusts up to 55 mph expected.
* WHERE...North Coast.
* WHEN...From 10 PM this evening to 1 PM PST Saturday.
* 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. Total snow accumulations 2 to 5 inches
across the valleys and lowlands. Above 3500 feet snow
accumulations of 4 to 9 inches. Little to no snow expected for
locations along the Columbia River.
* WHERE...Portions of Central and North Central Washington.
* WHEN...Until 10 AM PST Saturday.
* IMPACTS...Winter driving conditions. Drive with caution.
* ADDITIONAL DETAILS...Heaviest snowfall amounts will occur Friday
evening into early Saturday morning.
* WHAT...For the High Surf Advisory, large breaking waves of 18 to
20 feet expected in the surf zone. For the Coastal Flood
Warning, significant coastal flooding expected. Inundation of
2.5 to 3.5 feet above ground level is possible along shorelines
and low-lying coastal area.
* WHERE...North Coast and Central Coast zones.
* WHEN...For the High Surf Advisory, from 10 PM this evening to
10 PM PST Saturday. For the Coastal Flood Warning, from 8 AM
to 2 PM PST Saturday.
* 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. Large waves
will wash over beaches, jetties, and other structures
unexpectedly. People can be swept off rocks and jetties and
drown while observing high surf. Localized beach and shoreline
erosion is possible.
* ADDITIONAL DETAILS...Highest impacts will occur in the hours
near high tide at around 11 AM. Winds and large breaking waves
will exacerbate impacts due to coastal flooding. Additional
minor coastal flooding is possible around high tide late Monday
morning as well.
* WHAT...Significant coastal flooding expected. Inundation of
around 3 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...From 9 AM to 3 PM PST Saturday.
* 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...Highest impacts will occur in the hours
near high tide at around 12 PM. Winds and waves may locally
exacerbate impacts.
* WHAT...For the High Surf Advisory, large breaking waves of 18 to
20 feet expected in the surf zone. For the Coastal Flood
Warning, significant coastal flooding expected. Inundation of
2.5 to 3.5 feet above ground level is possible along shorelines
and low-lying coastal area.
* WHERE...North Coast and Central Coast zones.
* WHEN...For the High Surf Advisory, from 10 PM this evening to
10 PM PST Saturday. For the Coastal Flood Warning, from 8 AM
to 2 PM PST Saturday.
* 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. Large waves
will wash over beaches, jetties, and other structures
unexpectedly. People can be swept off rocks and jetties and
drown while observing high surf. Localized beach and shoreline
erosion is possible.
* ADDITIONAL DETAILS...Highest impacts will occur in the hours
near high tide at around 11 AM. Winds and large breaking waves
will exacerbate impacts due to coastal flooding. Additional
minor coastal flooding is possible around high tide late Monday
morning as well.
* 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 and Western Skagit County zones.
* WHEN...From 3 AM to 9 AM PST Saturday.
* 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...Highest impacts will occur in the hours
near high tide at around 6 AM. Winds and waves may locally
exacerbate impacts, particularly along south and southeast-
facing shorelines.
* WHAT...Significant coastal flooding expected. Inundation of
around 2.5 feet above ground level is possible along shorelines
and low-lying coastal areas.
* WHERE...San Juan County zone.
* WHEN...From 3 AM to 9 AM PST Saturday.
* 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...Highest impacts will occur in the hours
near high tide at around 6 AM. Waves and winds may locally
exacerbate impacts due to coastal flooding, particularly along
south and southeast-facing shorelines.
* WHAT...Tidal overflow flooding expected.
* WHERE...Clatsop and Tillamook Coast, and South Washington
Coast.
* WHEN...From 9 AM to 1 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, and the lower reaches of the coastal rivers.
* ADDITIONAL DETAILS...Tides are expected to peak around 11 AM PST
Saturday. Toke Point tidal gauge is expected to peak around 12.2
feet, Tongue Point tidal gauge is expected to peak around 11.3
feet, and Garibaldi tidal gauge is expected to peak around 10.7
feet.
* WHAT...For the Coastal Flood Advisory, minor coastal flooding
with inundation of around 2 feet above ground level is
expected. For the Coastal Flood Watch, significant coastal
flooding possible. Inundation of 2 to 3 feet above ground
level is likely along shorelines and low-lying coastal areas.
Large waves of 17 to 19 feet are expected along the coast.
* WHERE...Central Coast zone.
* WHEN...For the Coastal Flood Advisory, from 7 AM to 1 PM PST
Friday. For the Coastal Flood Watch, from Saturday morning
through Saturday afternoon.
* IMPACTS...Numerous roads may be closed. Low-lying property
including homes, businesses, and some critical infrastructure
may be inundated. Some shoreline erosion may occur.
* ADDITIONAL DETAILS...Highest impacts will occur around the
late morning high tide on Friday and Saturday. Additional
flooding may continue through Monday during the late morning
to mid-day high tides.
* WHAT...For the Coastal Flood Advisory, minor coastal flooding.
with inundation of around 2 feet above ground level is expected.
For the Coastal Flood Watch, significant coastal flooding
possible. Inundation of 2 to 3 feet above ground level is likely
along shorelines and low-lying coastal areas. Large waves of 17
to 19 feet are expected along the coast.
* WHERE...North Coast zone.
* WHEN...From Saturday morning through Saturday afternoon.
* IMPACTS...Numerous roads may be closed. Low-lying property
including homes, businesses, and some critical infrastructure
may be inundated. Some shoreline erosion may occur.
* ADDITIONAL DETAILS...Highest impacts will occur around the 11
AM high tide on Saturday. Forecast confidence is currently
moderate in 2 to 3 feet of inundation. However, there is a 10
percent chance of water levels up to 3.5 feet above ground
level. In addition to the expected flooding on Saturday,
flooding may continue through Monday during the late morning
to mid-day high tides.
* WHAT...For the Coastal Flood Advisory, minor coastal flooding
with inundation of around 2 feet above ground level is
expected. For the Coastal Flood Watch, significant coastal
flooding possible. Inundation of 2 to 3 feet above ground
level is likely along shorelines and low-lying coastal areas.
Large waves of 17 to 19 feet are expected along the coast.
* WHERE...Central Coast zone.
* WHEN...For the Coastal Flood Advisory, from 7 AM to 1 PM PST
Friday. For the Coastal Flood Watch, from Saturday morning
through Saturday afternoon.
* IMPACTS...Numerous roads may be closed. Low-lying property
including homes, businesses, and some critical infrastructure
may be inundated. Some shoreline erosion may occur.
* ADDITIONAL DETAILS...Highest impacts will occur around the
late morning high tide on Friday and Saturday. Additional
flooding may continue through Monday during the late morning
to mid-day high tides.
* WHAT...For the Coastal Flood Advisory, minor coastal flooding.
with inundation of around 2 feet above ground level is expected.
For the Coastal Flood Watch, significant coastal flooding
possible. Inundation of 2 to 3 feet above ground level is likely
along shorelines and low-lying coastal areas. Large waves of 17
to 19 feet are expected along the coast.
* WHERE...North Coast zone.
* WHEN...From Saturday morning through Saturday afternoon.
* IMPACTS...Numerous roads may be closed. Low-lying property
including homes, businesses, and some critical infrastructure
may be inundated. Some shoreline erosion may occur.
* ADDITIONAL DETAILS...Highest impacts will occur around the 11
AM high tide on Saturday. Forecast confidence is currently
moderate in 2 to 3 feet of inundation. However, there is a 10
percent chance of water levels up to 3.5 feet above ground
level. In addition to the expected flooding on Saturday,
flooding may continue through Monday during the late morning
to mid-day high tides.