* WHAT...Total snow accumulations between 6 and 18 inches with 24
inches possible on Mount Rainier. Heaviest snow above 5000 feet.
* WHERE...West Slopes North Central Cascades and Passes and West
Slopes South Central Cascades and Passes.
* WHEN...Until 4 PM PST Saturday.
* IMPACTS...Travel could be very difficult to impossible.
* ADDITIONAL DETAILS...4 to 6 inches of new snow at Snoqualmie Pass
before the snow changes to rain Saturday morning.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Through Sunday 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.
* WHAT...Large breaking waves of 14 to 20 feet in the surf zone.
* WHERE...North Coast and Central Coast zones.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion.
* WHAT...Wet snow above 4000 feet. Additional snow accumulations of
2 to 6 inches, with the highest snow amounts above 5000 feet.
Winds gusting as high as 35 mph.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...Until 7 PM PST this evening.
* IMPACTS...Travel could be difficult at times. Be prepared for snow
covered roads and slick surfaces.
* ADDITIONAL DETAILS...An active storm track will continue to
produce accumulating snow across the passes in the Cascades into
this weekend. However, there are two time periods when snow levels
will likely rise to 5000-5500 feet and be far enough above the
passes to temporarily limit snow accumulations. The first window
where snow levels will rise above the passes will occur between 3
AM Friday and 9 AM Friday. Another round of warmer air aloft will
most likely push snow levels above the passes Friday night as well.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.Rounds of rain over the Olympics will keep the Skokomish River
above flood stage through the weekend.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until further notice.
* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread
flooding of pasture lands, with water flowing quickly over West
Bourgault Road and Skokomish Valley Road.
* ADDITIONAL DETAILS...
- At 10:30 PM PST Thursday the stage was 17.4 feet.
- Flood stage is 16.5 feet.
- The river crested at 17.5 feet around 5 PM Thursday.
- Forecast...The river is expected to remain between 17 and
17.4 feet into Saturday morning.
- http://www.weather.gov/safety/flood
* WHAT...Snow. Total snow accumulations between 6 and 12 inches
above 3500 feet and 2 to 6 inches below 3500 feet. Highest snow
accumulations above pass level.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...From 1 AM Friday to 4 PM PST Saturday.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with low visibility to create very difficult
driving conditions.
* WHAT...Snow. Total snow accumulations of 6 to 12 inches above 4500
feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 1 AM Friday to 4 AM PST Saturday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* WHAT...Snow expected. Total snow accumulations between 15 to 20
inches.
* WHERE...Holden Village and Stevens Pass.
* WHEN...From 1 AM Friday to 4 PM PST Saturday.
* IMPACTS...Periods of snow Friday and Saturday will create winter
driving conditions over Stevens Pass.
* ADDITIONAL DETAILS...Motorists should check pass conditions for
potential closures due to avalanche control.
* WHAT...Large breaking waves of 15 to 22 feet in the surf zone.
* WHERE...North Coast and Central Coast zones.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Large waves may wash over beaches, jetties, and other
structures unexpectedly. Localized beach erosion is possible.
People can be swept off rocks and jetties, and drown while
observing high surf.
* WHAT...Snow expected. Total snow accumulations between 15 to 20
feet.
* WHERE...Stevens Pass and Holden Village.
* WHEN...From 1 AM Friday to 4 PM PST Saturday.
* IMPACTS...Periods of snow Friday and Saturday will create winter
driving conditions over Stevens Pass.
* ADDITIONAL DETAILS...Motorists should check pass conditions for
potential closures due to avalanche control.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.The Skokomish River will rise into Moderate flood stage this
afternoon then slowly recede into Minor flood stage tonight.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until further notice.
* 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 2:30 PM PST Thursday the stage was 17.5 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 2:30 PM PST Thursday was 17.5 feet.
- Forecast...The river is expected to rise to a crest of 17.5
feet late this afternoon.
- Flood History...This crest compares to a previous crest of
17.5 feet on 12/20/1994.
- http://www.weather.gov/safety/flood
ESFSEW
Additional frontal systems will bring precipitation to Western
Washington at times through the weekend. While precipitation will be
much less with the systems beginning Friday, the lack of much of a
break will keep rivers over the Southwest Interior rising into the
weekend. The potential for the lower reaches of the Chehalis River
to flood on Saturday continues to be monitored.
Please monitor the latest river forecasts from the National Weather
Service for additional information.
...The Flood Warning is extended for the following rivers in
Washington...
Grays River at Covered Bridge near Rosburg affecting Wahkiakum
County.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Grays River at Covered Bridge near Rosburg.
* WHEN...Until late this evening.
* IMPACTS...Above 28.5 feet, expect some flooding of roads along and
near the Grays River, especially downstream of the gage, including
roadway approaches to the Altoona Bridge over the Grays, and
portions of Covered Bridge Road, Barr-Durrah Road, and Loop Road
near Rosburg and Hwy 4.
* ADDITIONAL DETAILS...
- At 2:15 PM PST Thursday the stage was 28.7 feet.
- Bankfull stage is 27.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 2:15 PM PST Thursday was 28.8 feet.
- Forecast...The river will gradually fall below flood stage
this evening.
- Flood stage is 28.5 feet.
- http://www.weather.gov/safety/flood
ESFSEW
Additional frontal systems will bring precipitation to Western
Washington at times through the weekend. While precipitation will be
much less with the systems beginning Friday, the lack of much of a
break will keep rivers over the Southwest Interior rising into the
weekend. The potential for the lower reaches of the Chehalis River
to flood on Saturday continues to be monitored.
Please monitor the latest river forecasts from the National Weather
Service for additional information.
* WHAT...Snow expected above 3500 feet. Total snow accumulations
between 8 and 14 inches. 2 to 6 inches between 3000 and 4000 feet
with the highest snow accumulations above pass level.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...From 1 AM Friday to 4 PM PST Saturday.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with low visibility to create very difficult
driving conditions.
* WHAT...Wet snow expected above 4500 feet. Total snow accumulations
6 to 12 inches.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 1 AM Friday to 4 AM PST Saturday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* WHAT...For the Winter Storm Warning at or above elevations greater
than 3500 ft, heavy snow. Additional snow accumulations up to 4
inches. For the Winter Weather Advisory at or above elevations
greater than 3500 ft, snow expected. Total snow accumulations
between 6 and 22 inches. Heaviest snow above 5000 feet.
* WHERE...West Slopes North Central Cascades and Passes and West
Slopes South Central Cascades and Passes.
* WHEN...For the Winter Storm Warning, until 4 PM PST this
afternoon. For the Winter Weather Advisory, from 1 AM Friday to 4
PM PST Saturday.
* IMPACTS...Travel could be very difficult to impossible. Gusty
winds could bring down tree branches.
* ADDITIONAL DETAILS...Snowfall amounts tonight through Saturday for
Snoqualmie Pass ranging 2 to 6 inches.
* WHAT...For the Winter Storm Warning at or above elevations greater
than 3500 ft, heavy snow. Additional snow accumulations of up to 5
inches. For the Winter Weather Advisory at or above elevations
greater than 3500 ft, snow expected. Total snow accumulations
between 6 and 18 inches.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...For the Winter Storm Warning, until 4 PM PST this
afternoon. For the Winter Weather Advisory, from 4 PM Friday to 4
PM PST Saturday.
* IMPACTS...Travel could be very difficult to impossible. Gusty
winds could bring down tree branches.
* WHAT...For the Winter Storm Warning at or above elevations greater
than 3500 ft, heavy snow. Additional snow accumulations up to 4
inches. For the Winter Weather Advisory at or above elevations
greater than 3500 ft, snow expected. Total snow accumulations
between 6 and 22 inches. Heaviest snow above 5000 feet.
* WHERE...West Slopes North Central Cascades and Passes and West
Slopes South Central Cascades and Passes.
* WHEN...For the Winter Storm Warning, until 4 PM PST this
afternoon. For the Winter Weather Advisory, from 1 AM Friday to 4
PM PST Saturday.
* IMPACTS...Travel could be very difficult to impossible. Gusty
winds could bring down tree branches.
* ADDITIONAL DETAILS...Snowfall amounts tonight through Saturday for
Snoqualmie Pass ranging 2 to 6 inches.
* WHAT...For the Winter Storm Warning at or above elevations greater
than 3500 ft, heavy snow. Additional snow accumulations of up to 5
inches. For the Winter Weather Advisory at or above elevations
greater than 3500 ft, snow expected. Total snow accumulations
between 6 and 18 inches.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...For the Winter Storm Warning, until 4 PM PST this
afternoon. For the Winter Weather Advisory, from 4 PM Friday to 4
PM PST Saturday.
* IMPACTS...Travel could be very difficult to impossible. Gusty
winds could bring down tree branches.
