A frontal system will move through the area Wednesday night.
* WHAT...Snow expected at or above elevations greater than 4000 ft.
Total snow accumulations of 5 to 9 inches. Winds gusting as high
as 35 mph.
* WHERE...West Slopes South Central Cascades and Passes.
* WHEN...From 2 PM Wednesday to 5 AM PDT Thursday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Wednesday evening commute.
* WHAT...Snow expected. Total snow accumulations 6-12 inches above
4000 feet with 8 to 16 inches above 5000 feet.
* WHERE...In Oregon, North Oregon Cascades and Cascades of Marion
and Linn Counties. In Washington, South Washington Cascades.
* WHEN...From 2 PM Wednesday to 5 PM PDT Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could be very difficult.
* ADDITIONAL DETAILS...A cold front will bring a rapid onset of
accumulating snow above 4000-5000 feet Wednesday afternoon into
Wednesday evening. A lull in snow will most likely occur Wednesday
night into Thursday morning before additional snow showers bring
higher snowfall rates to the Cascades late Thursday into early
Friday.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...North and Central Coast Range Valleys of Oregon, Central
Willamette Valley, Tillamook County Coast, Lower Columbia River,
Tualatin Valley, Portland West Hills and Chehalem Mountain, Benton
County Lowlands, Linn County Lowlands, and Willapa and Wahkiakum
Lowlands.
* WHEN...Until 11 AM PDT this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Snow. Additional snow accumulations up to one inch between
7 AM and 11 AM.
* WHERE...Western Okanogan County County.
* WHEN...Until 11 AM PDT this morning.
* IMPACTS...With snow levels around 4000 feet, motorists going over
Washington Pass with an elevation of 5400 feet can expect winter
driving conditions near the pass.
* WHAT...Snow expected. Total snow accumulations of 5 to 10 inches.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...Until 11 AM PDT this morning.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow expected. Total snow accumulations 4 to 8 inches above
4000 feet.
* WHERE...Washington Pass.
* WHEN...Until 11 AM PDT Monday.
* IMPACTS...Plan on slippery road conditions on North Cascades
Highway State Route 20 over Washington Pass.
* WHAT...Snow expected. Total snow accumulations of 5 to 10 inches.
* WHERE...West Slopes North Cascades and Passes above 4000 feet
including Mt. Baker Ski area.
* WHEN...Until 11 AM PDT Monday.
* IMPACTS...Plan on slippery road conditions.
At 224 PM PDT, Doppler radar was tracking a strong thunderstorm over
Vancouver Downtown, moving northeast at 30 mph.
HAZARD...Wind gusts up to 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Vancouver Downtown, Portland, Vancouver, Walnut Grove, Barberton,
Hazel Dell North, Orchards, Five Corners, Hazel Dell South, Lake
Shore, Mill Plain, Meadow Glade, Salmon Creek, Jantzen Beach, Brush
Prairie, Minnehaha, Vancouver Mall, and Sifton.
This includes the following highways in Washington...
Interstate 5 between mile markers 1 and 5.
Interstate 205 between mile markers 30 and 35.
State Route 503 between mile markers 2 and 4.
* WHAT...Snow expected. Total snow accumulations 4 to 8 inches above
4000 feet.
* WHERE...Washington Pass
* WHEN...From 5 PM this afternoon to 11 AM PDT Monday.
* IMPACTS...Plan on slippery road conditions on Highway 20 over
Washington Pass.
* ADDITIONAL DETAILS...Light accumulations are possible today as
well.
* WHAT...Snow expected. Total snow accumulations of 5 to 10 inches.
* WHERE...West Slopes North Cascades and Passes above 4000 feet
including Mt. Baker Ski area.
* WHEN...From 5 PM this afternoon to 11 AM PDT Monday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow expected. Total snow accumulations of 5 to 10 inches.
* WHERE...West Slopes North Cascades and Passes above 4000 feet
including Mt. Baker Ski area.
* WHEN...From 5 PM Sunday to 11 AM PDT Monday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow expected. Total snow accumulations 4 to 8 inches above
4000 feet.
* WHERE...Washington Pass
* WHEN...From 5 PM Sunday to 11 AM PDT Monday.
* IMPACTS...Plan on slippery road conditions on Highway 20 over
Washington Pass.
* ADDITIONAL DETAILS...Light accumulations are possible during the
day on Sunday as well.
* WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...Admiralty Inlet Area.
* WHEN...Until 7 AM PDT this morning.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Southeast winds 20 to 30 mph with gusts up to 45 mph
expected.
* WHERE...Admiralty Inlet Area.
* WHEN...Until 7 AM PDT Saturday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Southeast winds 15 to 20 mph with gusts up to 35 mph
expected.
* WHERE...Western Skagit County and Western Whatcom County.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Southeast winds 20 to 30 mph with gusts up to 45 mph
expected.
* WHERE...North Coast.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Southeast winds 20 to 30 mph with gusts up to 45 mph
expected.
* WHERE...San Juan County.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...The southern and southeastern facing portions
of the islands will experience the stronger wind speeds due to the
direction the wind will be coming from.
* WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected.
* WHERE...Central Coast.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Southeast winds 15 to 25 mph with gusts up to 45 mph
expected.
* WHERE...Admiralty Inlet Area.
* WHEN...From 11 PM this evening to 7 AM PDT Saturday.
* IMPACTS...Gusty winds could 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 Coast.
* WHEN...From 11 PM this evening to 5 AM PDT Saturday.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Strongest winds are expected along the
immediate coast.