* WHAT...Heavy snow at or above elevations greater than 4000 ft.
Additional snow accumulations between 2 and 8 inches.
* WHERE...West Slopes South Central Cascades and Passes.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be very difficult. Strong winds could cause
tree damage.
* ADDITIONAL DETAILS...Blowing snow in gusty winds may cause locally
reduced visibilities at times.
* WHAT...Heavy snow at or above elevations greater than 4000 ft.
Additional snow accumulations up to 6 inches.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Tidal overflow flooding.
* WHERE...In Oregon, Clatsop County Coast. In Washington, South
Washington Coast.
* WHEN...Until 2 PM PST this afternoon.
* 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.
* WHAT...Flooding caused by rain and snowmelt is continuing.
* WHERE...A portion of southeast Washington, including the following
counties, Columbia and Walla Walla.
* WHEN...Until midnight PST tonight.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
River or stream flows are elevated.
* ADDITIONAL DETAILS...
- At 1153 AM PST, Emergency management and the public in Walla
Walla and Columbia counties reported flooding in the advisory
area. Minor flooding is already occurring. Between 1 and 3
inches of rain have fallen in the last 2 days.
- Waitsburg is the most likely place to experience continued
flooding due to a breech in a private levee.
Additional rainfall amounts up to 0.1 inches are expected
over the area today. This additional rain will result in
minor flooding.
- Some locations that will experience flooding include...
Dayton, Waitsburg, Huntsville, Dixie and Kooskooskie.
- http://www.weather.gov/safety/flood
* WHAT...Heavy snow Above 3000 feet. Additional snow accumulations
up to 6 inches. Winds gusting as high as 60 mph.
* WHERE...Stevens Pass and Holden Village.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be very difficult. Strong winds could cause
extensive damage to trees and power lines.
* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph.
* WHERE...Lower Columbia Basin of Oregon and Washington, Foothills
of the Northern Blue Mountains of Oregon, and Foothills of the
Blue Mountains of Washington.
* WHEN...Until 7 PM PST this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...West winds 25 to 35 mph with gusts between 45 to 55 mph
expected.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Southwest winds 25 to 35 mph with gusts between 50 and 65
mph expected.
* WHERE...In Oregon, Foothills of the Southern Blue Mountains of
Oregon and North Central Oregon. In Washington, Simcoe Highlands.
* WHEN...Until 4 PM PST this afternoon.
* 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. Additional snow accumulations up to 4 inches above
3500 feet. Winds gusting as high as 60 mph.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Heavy snowfall and very low visibility will create
dangerous driving conditions. Strong winds could cause blowing
snow and tree damage.
* ADDITIONAL DETAILS...Accumulating snowfall has largely ended for
Snoqualmie Pass.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of northwest and west central Washington,
including the following counties, in northwest Washington, Grays
Harbor. In west central Washington, Lewis and Thurston.
* WHEN...Through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Extensive street flooding and flooding of creeks and rivers are
possible.
* ADDITIONAL DETAILS...
- Precipitation is gradually diminishing throughout the day but
previous rainfall will continue to lead to further rises on
area rivers which could push Chehalis River above flood
stage. The most at risk at this time is lower Chehalis River.
- http://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.Another round of rainfall is impacting the region which will keep
the river above flood stage through early Wednesday.
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until tomorrow evening.
* 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 9:30 AM PST Tuesday the stage was 17.6 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:30 AM PST Tuesday was 17.6 feet.
- Forecast...The river is expected to fall below flood stage
late tomorrow morning and continue falling to 16.3 feet
tomorrow afternoon.
- Flood History...This crest compares to a previous crest of
17.6 feet on 10/20/2003.
- http://www.weather.gov/safety/flood
...Forecast flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Washington...
Grays River at Covered Bridge near Rosburg affecting Wahkiakum
County.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Grays River at Covered Bridge near Rosburg.
* WHEN...Until late tonight.
* IMPACTS...Above 30.5 feet, expect widespread lowland flooding and
numerous flooded roads near Rosburg and Hwy 4. These include
Covered Bridge Road near the gage and the roadway approaches to
the Altoona Bridge downstream of the gage.
* ADDITIONAL DETAILS...
- At 6:15 AM PST Tuesday the stage was 30.2 feet.
- Bankfull stage is 27.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 6:15 AM PST Tuesday was 30.2 feet.
- Forecast...The river is expected to rise below flood stage
late this evening and continue falling to 31.6 feet late this
morning. Additional rises are possible thereafter.
- Flood stage is 28.5 feet.
- http://www.weather.gov/safety/flood
* WHAT...Heavy snow expected at or above elevations greater than
4000 ft. Total snow accumulations between 12 to 24 inches, with
locally higher amounts over the higher peaks.
* WHERE...West Slopes South Central Cascades and Passes.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be very difficult. Very strong winds could
cause extensive tree damage.
* ADDITIONAL DETAILS...Blowing snow in gusty winds may cause locally
reduced visibilities at times.
* WHAT...Heavy snow expected at or above elevations greater than
3000 feet. Total snow accumulations between 8 to 18 inches, with
locally higher amounts over the higher peaks.
* WHERE...West Slopes North Central Cascades and Passes.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be very difficult to impossible. Strong
winds could cause tree damage.
* ADDITIONAL DETAILS...Banding and convergence may develop right
over Snoqualmie Pass, which can lead to lower snow levels and
which can enhance snowfall amounts.
* WHAT...Heavy snow expected at or above elevations greater than
4000 ft. Total snow accumulations between 12 to 18 inches, with
locally higher amounts over the higher peaks.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be very difficult. Gusty winds could bring
down tree branches.
* WHAT...Heavy snow Above 3000 feet. Between 4 AM and 4 PM Tuesday,
additional snow accumulations of 10 to 15 inches. Winds gusting as
high as 45 mph on slopes exposed to west or southwest wind.
* WHERE...Holden Village and Stevens Pass.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Motorists should be prepared for winter driving
conditions with periods of heavy snow this morning.
* ADDITIONAL DETAILS...The heaviest snowfall with this storm began
overnight and will continue into this morning with snow rates of 1
inch per hour.
* WHAT...Snow Above 2000 feet. Additional snow accumulations 2 to 4
inches between 4 AM and noon.
* WHERE...Mazama, Loup Loup Pass, and Conconully.
* WHEN...Until noon PST today.
* IMPACTS...Motorists should be prepared for winter driving
conditions this morning.
* WHAT...Snow Above 3000 feet. Additional snow accumulations 2 to 6
inches between 4 AM and noon. Winds gusting as high as 40 mph on
ridges exposed to southwest wind.
* WHERE...Highway 20 Wauconda Summit, Boulder Creek Road, Chesaw
Road, Wauconda, and Sherman Pass.
* WHEN...Until noon PST today.
* IMPACTS...Motorists should be prepared for winter driving
conditions this morning.
* WHAT...Heavy wet snow above 4000 feet. Additional snow
accumulations up to 12 inches. Winds gusting as high as 50 mph
this morning.
* WHERE...South Washington Cascades.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Visibilities may drop below 1
mile due to falling and blowing snow.
* WHAT...Southwest winds 20 to 35 mph with gusts 50 to 60 mph.
* WHERE...Central Coast and North Coast.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Damaging winds will blow down trees and power lines.
Widespread power outages are expected. Travel will be difficult,
especially for high profile vehicles.