* WHAT...South winds 20 to 25 mph with gusts up to 45 mph expected.
* WHERE...Central and Southern Willamette Valley, Lower Columbia
River and Cowlitz River Valleys, Tualatin Valley, Portland West
Hills and Chehalem Mountain, Inner Portland Metro, North Clark
County Lowlands, and Inner Vancouver Metro.
* WHEN...From 8 PM this evening to 6 AM PST Wednesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Snow Above 4000 feet. Additional snow accumulations between
3 and 6 inches by Tuesday afternoon followed by 1 to 2 feet of
snow Tuesday night into Wednesday night.
* WHERE...Western Okanogan County County.
* WHEN...Until 4 PM PST Thursday.
* IMPACTS...Periods of snow through Thursday afternoon will add up
to considerable accumulations. Check the Washington Department of
Transportation for the status of Washington Pass on State Route 20
before you travel.
* WHAT...Heavy snow possible. Total snow accumulations between 8 and
16 inches possible above 4000 feet.
* WHERE...Highway 20 Wauconda Summit, Sherman Pass, Boulder Creek
Road, and Chesaw Road.
* WHEN...From Tuesday afternoon through late Wednesday night.
* IMPACTS...Motorists should be prepared for winter driving
conditions at elevations above 4000 feet in Ferry and Okanogan
counties Tuesday night through Wednesday night during this
prolonged mountain snow event.
* ADDITIONAL DETAILS...Snow levels will waver between 4000 and 5000
feet with the heaviest snow occurring at high elevations including
Sherman Pass at over 5500 feet.
ESFSEW
A series of strong and wet Pacific storm systems will track through
western Washington this week with sharp rises on the rivers flowing
off the Olympics and Cascades. The next system will arrive Tuesday
afternoon into Thursday, with a short break from the rainfall this
weekend. Multiple rivers may climb into action stage, depending on
rainfall rates, snow levels, temperatures, and storm totals once the
heaviest of the precipitation wraps up Thursday.
Please continue to monitor the latest river forecasts from the
National Weather Service for additional information.
Moderate to heavy rain with thunderstorms remains likely with a
disturbance passing through middle of the week.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northwest Washington, including the following
county, Mason.
* WHEN...Through late Tuesday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Low-water crossings may be flooded.
* ADDITIONAL DETAILS...
- Another round of moderate to heavy rain is expected with a
system Tuesday night through Thursday. Three to six inches of
rain are likely. Snow levels are expected to remain above the
top of the Skokomish River watershed, resulting in the
Skokomish River to rise to above minor flood stage early
Wednesday morning, potentially cresting in moderate flood
stage Wednesday afternoon.
- http://www.weather.gov/safety/flood
* WHAT...Large waves and hazardous surf conditions. Breakers up to
25 feet.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...From midnight tonight to 4 PM PST Tuesday.
* IMPACTS...Destructive waves may wash over beaches, jetties,
and other structures unexpectedly. People can be swept off
rocks and jetties and drown while observing high surf. Minor
beach erosion may damage coastal properties and buildings.
Higher than normal water run-up is expected on beaches and low-
lying shoreline.
* WHAT...Snow Above 4000 feet. Additional snow accumulations between
10 and 24 inches. Winds gusting as high as 40 mph.
* WHERE...Western Okanogan County County.
* WHEN...Until 4 PM PST Thursday.
* IMPACTS...Be prepared for winter travel conditions across
Washington Pass and within the backcountry.
* WHAT...Heavy snow possible. Total snow accumulations between 8 and
16 inches possible.
* WHERE...Highway 20 Wauconda Summit, Boulder Creek Road, Sherman
Pass, and Chesaw Road.
* WHEN...From Tuesday afternoon through late Wednesday night.
* IMPACTS...Roads will likely become slick and hazardous. The
hazardous conditions could impact the Tuesday evening and
Wednesday morning commutes.
* WHAT...South winds 30 to 40 mph with gusts up to 60 mph possible.
* WHERE...Beaches and headlands of the South Washington, and North
and Central Oregon Coast.
* WHEN...From 8 PM Tuesday through 6 AM Wednesday.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.
* ADDITIONAL DETAILS...Highest winds will be along the beaches and
headlands from Yaquina Head to the Long Beach Peninsula. South of
Yaquina Head and inland could see gusts up to 45 mph.
* WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph
expected.
* WHERE...Admiralty Inlet Area, Central Coast, North Coast, San Juan
County, Western Skagit County, and Western Whatcom County.
* WHEN...From 4 PM Tuesday to 4 AM PST Wednesday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected.
* WHERE...Hood Canal Area, Bellevue and Vicinity, Bremerton and
Vicinity, East Puget Sound Lowlands, Everett and Vicinity, Lower
Chehalis Valley Area, Seattle and Vicinity, Southwest Interior,
and Tacoma Area.
* WHEN...From 4 PM Tuesday to 4 AM PST Wednesday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Snow at or above elevations greater than 4000 ft.
Additional snow accumulations of 12 to 24 inches through Thursday,
with locally higher amounts over the highest peaks. Winds gusting
as high as 40 mph.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...Until 4 PM PST Thursday.
* IMPACTS...Travel could be very difficult including SR 20 and
Washington Pass.
* WHAT...Snow Above 4000 feet. Additional snow accumulations up to 8
inches. Winds gusting as high as 35 mph.
* WHERE...Western Okanogan County County.
* WHEN...Until 1 PM PST Tuesday.
* IMPACTS...Be prepared for winter travel conditions across
Washington Pass and within the backcountry.
ESFSEW
A series of strong and wet Pacific storm systems will track through
western Washington this week with sharp rises on the rivers flowing
off the Olympics and Cascades. There is little break between each
system. As a result, several rivers are forecast to reach Action
Stage with Minor flooding possible, especially by Wednesday or
Thursday.
Flooding extent will depend on rainfall rates, temperatures, snow
levels, and total rainfall with each of these weather systems next
week.
Please monitor the latest river forecasts from the National Weather
Service for additional information.
Multiple storms will impact the area through the beginning of this
week with heavy rain and snow levels starting at 6000 feet and
remaining above 4000 feet.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northwest Washington, including the following
county, Mason.
* WHEN...Through late tonight.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Low-water crossings may be flooded.
* ADDITIONAL DETAILS...
- Progressively stronger storms earlier this morning will
continue to produce heavy rain in the Olympic Mountains. Two
to four inches of rain are expected through Monday and
another three to six inches Tuesday night into Thursday. With
snow levels above the top of the Skokomish River watershed,
this rain will likely drive the Skokomish river above flood
stage.
- http://www.weather.gov/safety/flood
* WHAT...Snow at or above elevations greater than 4000 ft.
Additional snow accumulations between 6 and 16 inches. Winds
gusting as high as 35 mph.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...Until 1 PM PST Tuesday.
* IMPACTS...Travel could be very difficult including SR 20 and
Washington Pass.
* WHAT...Large waves and hazardous surf conditions. Breakers up to
25 feet.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...From midnight tonight to 4 PM PST Tuesday.
* IMPACTS...Destructive waves may wash over beaches, jetties, and
other structures unexpectedly. People can be swept off rocks and
jetties and drown while observing high surf. Minor beach erosion
may damage coastal properties and buildings. Higher than normal
water run-up is expected on beaches and low- lying shoreline.
* WHAT...Snow expected Above 4000 feet. Total snow accumulations 7
to 13 inches. Highest amounts near the Cascade Crest and over
Washington Pass.
* WHERE...Western Okanogan County County.
* WHEN...Until 1 PM PST Tuesday.
* IMPACTS...Be prepared for winter travel conditions across
Washington Pass and within the backcountry.
ESFSEW
A series of strong and wet Pacific storm systems will track through
western Washington this week with sharp rises on the rivers flowing
off the Olympics and Cascades. There is little break between each
system. As a result, several rivers are forecast to reach Action
Stage with Minor flooding possible, especially by Wednesday or
Thursday.
Flooding extent will depend on rainfall rates, temperatures, snow
levels, and total rainfall with each of these weather systems next
week.
Please monitor the latest river forecasts from the National Weather
Service for additional information.
Multiple storms will impact the area through the beginning of this
week with heavy rain and snow levels starting at 6000 feet and
remaining above 4000 feet.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northwest Washington, including the following
county, Mason.
* WHEN...From 10 PM PST this evening through late Monday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Low-water crossings may be flooded.
* ADDITIONAL DETAILS...
- Progressively stronger storms starting tonight will produce
heavy rain in the Olympic Mountains. Two to four inches of
rain are expected tonight through Monday and another three to
six inches Tuesday night into Thursday. With snow levels
above the top of the Skokomish River watershed, this rain
will likely drive the Skokomish river above flood stage.
- http://www.weather.gov/safety/flood
