* WHAT...South winds 30 to 40 mph with gusts up to 50 mph expected
for the base of the northern Blue Mountains of Oregon and
Washington.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...From 10 PM this evening to 10 AM PST Thursday.
* 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 up to 50 mph expected
for the base of the northern Blue Mountains of Oregon and
Washington.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...From 10 PM this evening to 10 AM PST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Southeast winds 35 to 45 mph with gusts up to 50 mph
expected for Ladd and Pyles Canyons.
* WHERE...Grande Ronde Valley.
* WHEN...From 10 PM this evening to 10 AM PST Thursday.
* 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 up to 45 mph expected.
* WHERE...Central Oregon and North Central Oregon.
* WHEN...From 10 PM this evening to 10 AM PST Thursday.
* 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 50 mph expected.
* WHERE...Foothills of the Southern Blue Mountains of Oregon.
* WHEN...From 10 PM this evening to 10 AM PST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
ESFSEW
An atmospheric river will bring significant rainfall to the Olympic
Mountains today into Thursday. Widespread rainfall totals of 3 to 5
inches are expected, with locally over 6 inches on the the highest
peaks. Snow levels will increase from around 3,500 feet up to as
high as 4,500 feet tonight before lowering once again Thursday.
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. It is possible the lower
reaches of the Chehalis could flood late Friday into Saturday. The
Skookumchuck near Bucoda, Newaukum near Chehalis and the Satsop near
Satsop could reach action stage Friday.
Please monitor the latest river forecasts from the National Weather
Service for additional information.
An atmospheric river into Thursday is expected to produce heavy
rainfall across parts of the region.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northwest Washington, including the following
county, Clallam.
* WHEN...From 4 PM PST this afternoon through Friday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Rainfall accumulations of 3 to 5 inches over the Olympics
expected. Expect rises on rivers and streams due to the heavy
precipitation, and the Bogachiel River may rise above flood
stage Thursday.
- http://www.weather.gov/safety/flood
* WHAT...Heavy snow expected. Total snow accumulations between 12
and 24 inches. Winds gusting as high as 45 mph.
* WHERE...Stevens Pass, Holden Village, and Stehekin.
* WHEN...From 1 PM this afternoon to 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult leading up to and over
Stevens Pass.
Heavy wet snow falling at one inch per hour or more at times could
lead to isolated tree damage and power outages. Areas of blowing
snow could significantly reduce visibility.
* ADDITIONAL DETAILS...Lighter snow amounts will be possible at
Stehekin due to marginal temperatures near or above freezing.
* WHAT...Snow expected. Total snow accumulations between 2 and 6
inches in the valleys and 5 to 8 inches in the mountains.
* WHERE...Metaline, Orin-Rice Road, Fruitland, Tiger, Flowery Trail
Road, Springdale-Hunters Road, Deer Park, Metaline Falls, Kettle
Falls, Colville, Chewelah, Newport, Northport, and Ione.
* WHEN...Winter travel conditions are expected Thursday morning.
* IMPACTS...Lowest confidence in snow amounts is along the Columbia
and Pend Oreille Rivers where warmer temperatures could limit
accumulations.
* ADDITIONAL DETAILS...Lowest confidence in snow amounts is along
the Columbia and Pend Oreille Rivers where warmer temperatures
could limit accumulations.
* WHAT...Heavy snow expected. Total snow accumulations between 8 and
15 inches. Winds gusting as high as 35 mph.
* WHERE...Loup Loup Pass, Methow, Mazama, Conconully, Winthrop, and
Twisp.
* WHEN...From 1 PM this afternoon to 1 PM PST Thursday.
* IMPACTS...Travel could be very difficult to impossible. Heavy wet
snow falling at one inch per hour or more at times could lead to
isolated tree damage and power outages.
* WHAT...Heavy snow expected. Total snow accumulations between 4 and
10 inches.
* WHERE...Wauconda, Inchelium, Sherman Pass, Highway 20 Wauconda
Summit, Boulder Creek Road, Chesaw Road, and Republic.
* WHEN...From 4 PM this afternoon to 1 PM PST Thursday.
* IMPACTS...Travel could be very difficult to impossible. Heavy wet
snow falling at one inch per hour or more at times could lead to
isolated tree damage and power outages.
* WHAT...Heavy snow expected. Total snow accumulations between 9 and
16 inches.
* WHERE...Leavenworth and Plain.
* WHEN...From 1 PM this afternoon to 1 PM PST Thursday.
* IMPACTS...Travel could be very difficult. Heavy wet snow falling
at one inch per hour or more at times could lead to isolated tree
damage and power outages.
* ADDITIONAL DETAILS...The heaviest snow is expected to fall between
10PM and 4AM Thursday.
* WHAT...Heavy snow expected. Total snow accumulations between 2 and
6 inches below 2500 feet and 6 to 10 inches on higher benches
above 2500 feet.
* WHERE...Oroville, Mansfield, Disautel Pass, Okanogan, Bridgeport,
Nespelem, Waterville, Tonasket, Badger Mountain Road, Brewster,
and Omak.
* WHEN...From 4 PM this afternoon to 7 AM PST Thursday.
* IMPACTS...Travel could be very difficult. Snowfall rates of one
inch per hour are expected at times Christmas night into early
Thursday morning.
* ADDITIONAL DETAILS...Lowest confidence in snow amounts is along
the Columbia and Okanogan Rivers where warmer temperatures could
limit accumulations.
* WHAT...Snow expected for the Highway 2 Corridor Across the Upper
Columbia Basin. Total snow accumulations between 2 and 4 inches.
Winds gusting as high as 35 mph.
* WHERE...Grand Coulee, Coulee City, Creston, and Wilbur.
* WHEN...From 4 PM this afternoon to 7 AM PST Thursday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow expected. Total snow accumulations between 1 and 4
inches at lower elevations near the Columbia River and 4 to 8
inches above 2000 feet on higher benches.
* WHERE...Cashmere, Wenatchee, Chelan, Entiat, Pangborn Airport,
Number 2 Canyon, and Number 1 Canyon.
* WHEN...From 1 PM this afternoon to 7 AM PST Thursday.
* IMPACTS...Travel could be very difficult. Snowfall rates of one
inch per hour are expected at times Christmas night into early
Thursday morning.
* WHAT...Heavy snow expected at or above elevations greater than
3500 ft. Total snow accumulations between 18 and 36 inches.
Highest new snow totals at Mount Baker and Mount Rainier. 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...From 10 AM this morning to 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult to impossible. Gusty
winds could bring down tree branches.
* WHAT...Heavy snow expected at or above elevations greater than
4000 ft. Total snow accumulations between 15 and 30 inches. Winds
gusting as high as 60 mph.
* WHERE...Olympics.
* WHEN...Until 4 PM PST Thursday.
* IMPACTS...Travel could be very difficult to impossible. Strong
winds could cause extensive damage to trees and power lines.
* WHAT...Large breaking waves of 16 to 22 feet expected in the
surf zone.
* WHERE...North Coast and Central Coast zones.
* WHEN...From 9 AM this morning to 10 AM PST Friday.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion.
* WHAT...Southwest winds 35 to 50 mph with gusts up to 65 mph
expected.
* WHERE...This includes the Summer Lake area and Highway 31, the
mountains across Lake County and eastern Klamath County, and Modoc
County.
* WHEN...From 10 PM this evening to 10 AM PST Thursday.
* 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...South winds 25 to 35 mph with gusts up to 65 mph expected.
* WHERE...Eastern Curry County and Josephine County and Jackson
County.
* WHEN...From 1 PM this afternoon to 4 AM PST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Winds will be strongest over the coastal
mountains in eastern Curry and Josephine Counties. Winds will be
strongest south of Medford late this evening and tonight.