* WHAT...Heavy snow possible. Total snow accumulations between 18
and 24 inches possible above 3500 feet.
* WHERE...Stevens Pass, Holden Village, and Stehekin.
* WHEN...From Wednesday afternoon through Friday morning.
* IMPACTS...Travel could be very difficult over Stevens Pass.
* ADDITIONAL DETAILS...Expect snowfall rates around 1 inch per hour
or greater at Stevens Pass Wednesday night. For Coles Corner and
Stehekin, total snow accumulations between 5 and 12 inches.
* WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph expected
for the base of the Blue Mountains of Washington.
* WHERE...Foothills of the Blue Mountains of Washington.
* WHEN...From 10 PM this evening to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Visibility a quarter mile or less in dense fog.
* WHERE...Kittitas Valley.
* WHEN...Until 5 PM PST this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected,
mainly south of La Grande.
* WHERE...Grande Ronde Valley.
* WHEN...From 10 PM this evening to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...South winds 20 to 30 mph with gusts 45 to 50 mph expected,
primarily at the base of the Blue Mountains.
* WHERE...Foothills of the Southern Blue Mountains of Oregon.
* WHEN...From 10 PM this evening to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...South winds 30 to 40 mph with gusts 55 to 65 mph expected
for the base of the northern Blue Mountains of Oregon.
* WHERE...Foothills of the Northern Blue Mountains of Oregon.
* WHEN...From 10 PM this evening to 7 AM PST Tuesday.
* IMPACTS...Damaging winds will blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.
* ADDITIONAL DETAILS...Strong and damaging winds will be observed
along Interstate 84 from Pendleton to Cabbage Hill, as well as
Highway 11 from Pendleton to Milton-Freewater.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.Minor flooding is occuring along the Skokomish River but will
gradually recede below flood stage on Tuesday. Additional rounds of
precipitation in the coming days will lead to additional flooding.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until tomorrow afternoon.
* 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 11:30 AM PST Monday the stage was 17.4 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:30 AM PST Monday was 17.6 feet.
- Forecast...The river is expected to fall below flood stage
tomorrow morning and continue falling to 16.4 feet later
Tuesday.
- Flood History...This crest compares to a previous crest of
17.3 feet on 03/06/2014.
- http://www.weather.gov/safety/flood
* WHAT...Large breaking waves of 18 to 22 feet in the surf zone.
* WHERE...North Coast and Central Coast zones.
* WHEN...Until 9 PM PST this evening.
* 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.
* ADDITIONAL DETAILS...Waves just offshore will be long period
with a dominant period of 20 to 22 seconds. This will enhance
the risk for beach erosion and infrastructure damage on west or
southwest facing beaches.
* WHAT...Southeast winds 15 to 25 mph with gusts up to 50 mph
expected.
* WHERE...East Puget Sound Lowlands.
* WHEN...From 6 PM this evening to 2 AM PST Tuesday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Winds will be strongest in areas near and
west of the Cascade gaps including North Bend, Enumclaw, Gold Bar,
and Covington.
* WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected.
* WHERE...This includes the Summer Lake area and the mountains
across Lake County and eastern Klamath County, and Modoc County.
* WHEN...From 7 PM this evening to 4 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Dense fog advisory will expire 10 AM. Southeast winds 20 to
30 mph with gusts up to 50 mph expected.
* WHERE...For the Wind Advisory, southern Rogue Valley, including
the city of Ashland, Talent and Phoenix.
* WHEN...From 1 PM this afternoon to 8 PM PST this evening.
* IMPACTS...Gusty winds will blow around unsecured objects this
afternoon and evening. Tree limbs could be blown down and a few
power outages may result.
* WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph expected
for the base of the Blue Mountains of Washington.
* WHERE...Foothills of the Blue Mountains of Washington.
* WHEN...From 10 PM this evening to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Visibility a quarter mile or less in dense fog.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington, and
Kittitas Valley.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...South winds 20 to 30 mph with gusts 45 to 50 mph expected,
particularly at the base of the Blue Mountains.
* WHERE...Foothills of the Southern Blue Mountains of Oregon.
* WHEN...From 10 PM this evening to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected,
mainly south of La Grande.
* WHERE...Grande Ronde Valley.
* WHEN...From 10 PM this evening to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...South winds 30 to 40 mph with gusts 55 to 65 mph expected
for the base of the northern Blue Mountains of Oregon.
* WHERE...Foothills of the Northern Blue Mountains of Oregon.
* WHEN...From 10 PM this evening to 7 AM PST Tuesday.
* IMPACTS...Damaging winds will blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.
* ADDITIONAL DETAILS...Strong and damaging winds will be observed
along Interstate 84 from Pendleton to Cabbage Hill, as well as
Highway 11 from Pendleton to Milton-Freewater.
* WHAT...Visibility a quarter mile or less in dense fog.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington, and
Kittitas Valley.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Tualatin Valley and Western Willamette Valley, North and
Central Coast Range Valleys of Oregon, and Lower Columbia River.
* WHEN...Until 11 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
Patchy dense fog has developed in the Kittitas and Yakima Valleys
this morning and will affect portions of Interstate 82 and
Interstate 90. Visibilities of less than one half mile can be
expected in places. Motorists should be prepared for sudden
changes in visibility. If you encounter dense fog, slow down and
use low beam headlights.
...Observed flooding changed from Minor to Moderate severity for the
following rivers in Washington...
Skokomish River At Potlatch affecting Mason County.
.Moderate flooding is expected for the next several hours before the
river levels begin to lower, but will remain in minor flood stage.
Additional rounds of precipitation in the coming days will keep the
river in minor flood stage.
* WHAT...Moderate flooding is occurring and minor 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 3:30 AM PST Monday the stage was 17.6 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 3:30 AM PST Monday was 17.6 feet.
- Forecast...The river is expected to fall below flood stage
late this evening and continue falling to 16.4 feet late
tonight.
- Flood History...This crest compares to a previous crest of
17.5 feet on 12/20/1994.
- http://www.weather.gov/safety/flood