Aggregator

* WHAT...Significant coastal flooding expected. Inundation of around 3 feet above ground level is possible along shorelines and low-lying coastal areas. * WHERE...Eastern Strait of Juan de Fuca and Western Strait of Juan De Fuca zones. * WHEN...From 9 AM to 3 PM PST Saturday. * IMPACTS...Significant coastal flooding due to high tides and storm surge is expected. This is expected to lead to numerous road closures. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Shoreline erosion or damage may occur. * ADDITIONAL DETAILS...Highest impacts will occur in the hours near high tide at around 12 PM. Winds and waves may locally exacerbate impacts.

* WHAT...For the High Surf Advisory, large breaking waves of 18 to 20 feet expected in the surf zone. For the Coastal Flood Warning, significant coastal flooding expected. Inundation of 2.5 to 3.5 feet above ground level is possible along shorelines and low-lying coastal area. * WHERE...North Coast and Central Coast zones. * WHEN...For the High Surf Advisory, from 10 PM this evening to 10 PM PST Saturday. For the Coastal Flood Warning, from 8 AM to 2 PM PST Saturday. * IMPACTS...Significant coastal flooding due to high tides and storm surge is expected. This is expected to lead to numerous road closures. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Large waves will wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Localized beach and shoreline erosion is possible. * ADDITIONAL DETAILS...Highest impacts will occur in the hours near high tide at around 11 AM. Winds and large breaking waves will exacerbate impacts due to coastal flooding. Additional minor coastal flooding is possible around high tide late Monday morning as well.

* WHAT...Minor coastal flooding expected. Inundation of around 2 feet above ground level is possible along shorelines and low- lying coastal areas. * WHERE...Western Whatcom County and Western Skagit County zones. * WHEN...From 3 AM to 9 AM PST Saturday. * IMPACTS...Minor coastal flooding due to tidal overflow is expected around high tide. This may lead to flooding of parking lots, parks, and roads, with only isolated road closures expected. * ADDITIONAL DETAILS...Highest impacts will occur in the hours near high tide at around 6 AM. Winds and waves may locally exacerbate impacts, particularly along south and southeast- facing shorelines.

* WHAT...Significant coastal flooding expected. Inundation of around 2.5 feet above ground level is possible along shorelines and low-lying coastal areas. * WHERE...San Juan County zone. * WHEN...From 3 AM to 9 AM PST Saturday. * IMPACTS...Significant coastal flooding due to high tides and storm surge is expected. This is expected to lead to numerous road closures. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Shoreline erosion or damage may occur. * ADDITIONAL DETAILS...Highest impacts will occur in the hours near high tide at around 6 AM. Waves and winds may locally exacerbate impacts due to coastal flooding, particularly along south and southeast-facing shorelines.

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph for Ladd and Pyles canyons. * WHERE...Grande Ronde Valley. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...South to southeast winds 25 to 35 mph with gusts up to 55 mph expected for the base of the northern Blue Mountains of Oregon. * WHERE...Foothills of the Northern Blue Mountains of Oregon. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Snow. Total snow accumulations of 6 to 10 inches above 4500 feet. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 7 AM PST Sunday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow.

* WHAT...Snow. Additional snow accumulations between 2 and 4 inches. * WHERE...Upper and Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. Plan on slippery road conditions.

* WHAT...Snow. Additional snow accumulations up to 2 inches. * WHERE...Kittitas Valley, Simcoe Highlands, and Yakima Valley. * WHEN...Until 4 AM PST Saturday. * IMPACTS...Plan on slippery road conditions.

* WHAT...Snow. Total snow accumulations of 6 to 10 inches above 4500 feet. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 7 AM PST Sunday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow.

* WHAT...Snow. Additional snow accumulations up to 3 inches. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Plan on slippery road conditions.

* WHAT...Mixed precipitation. Additional snow accumulations of less than one inch and ice accumulations around a light glaze. Winds gusting as high as 40 mph. * WHERE...Foothills of the Southern Blue Mountains of Oregon and North Central Oregon. * WHEN...Until 1 AM PST Saturday. * IMPACTS...Even light snowfall amounts can accumulate on roads and cause dangerous driving conditions due to slippery and snow-covered roads.

* WHAT...South winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Lake County and eastern Klamath County, and Modoc County. * WHEN...Until 7 AM PST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Jackson County. * WHEN...Until 10 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. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...Snow expected at or above elevations greater than 3500 ft. Total snow accumulations at White Pass of 8 to 12 inches expected. * WHERE...West Slopes South Central Cascades and Passes. * WHEN...Until 10 AM PST Sunday. * IMPACTS...Travel could be difficult.

* WHAT...Snow expected at or above elevations greater than 3500 ft. Total snow accumulations at Stevens Pass between 8 and 12 inches expected. Significantly higher amounts will be possible at Mount Baker Ski Area. * WHERE...West Slopes North Cascades and Passes and West Slopes North Central Cascades and Passes. * WHEN...Until 10 AM PST Sunday. * IMPACTS...Snow-covered roads and minor travel delays possible across Stevens Pass. * ADDITIONAL DETAILS...Lower amounts are expected at Snoqualmie Pass.

...MIXED WINTRY PRECIPITATION LATE THIS AFTERNOON AND TONIGHT... ...MODERATE TO HEAVY SNOW TONIGHT THROUGH SUNDAY MORNING IN THE NORTHERN BLUE MOUNTAINS... .A moist warm front will arrive to the Washington and Oregon Cascades will spread east of the Cascades tonight. Precipitation will primarily fall as snow, but there will also be areas of light freezing rain. The northern Blue Mountains above 4500 feet will also observe moderate to heavy snow with this front. * WHAT...Snow expected for elevations above 4500 feet. Total snow accumulations 7 to 10 inches. Winds gusting as high as 35 mph will cause blowing and drifting of snow. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 8 PM this evening to 7 AM PST Sunday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow.

...MIXED WINTRY PRECIPITATION LATE THIS AFTERNOON AND TONIGHT... ...MODERATE TO HEAVY SNOW TONIGHT THROUGH SUNDAY MORNING IN THE NORTHERN BLUE MOUNTAINS... .A moist warm front will arrive to the Washington and Oregon Cascades will spread east of the Cascades tonight. Precipitation will primarily fall as snow, but there will also be areas of light freezing rain. The northern Blue Mountains above 4500 feet will also observe moderate to heavy snow with this front. * WHAT...Mixed precipitation expected. Total snow accumulations up to one inch and ice accumulations around a light glaze. Winds gusting as high as 35 mph. * WHERE...In Oregon, Foothills of the Southern Blue Mountains of Oregon and North Central Oregon. In Washington, Kittitas Valley, Simcoe Highlands, and Yakima Valley. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute.

...MIXED WINTRY PRECIPITATION LATE THIS AFTERNOON AND TONIGHT... ...MODERATE TO HEAVY SNOW TONIGHT THROUGH SUNDAY MORNING IN THE NORTHERN BLUE MOUNTAINS... .A moist warm front will arrive to the Washington and Oregon Cascades will spread east of the Cascades tonight. Precipitation will primarily fall as snow, but there will also be areas of light freezing rain. The northern Blue Mountains above 4500 feet will also observe moderate to heavy snow with this front. * WHAT...Mixed precipitation expected. Total snow accumulations up to 7 inches and ice accumulations around a light glaze. * WHERE...Upper and Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. Plan on slippery road conditions.

...MIXED WINTRY PRECIPITATION LATE THIS AFTERNOON AND TONIGHT... ...MODERATE TO HEAVY SNOW TONIGHT THROUGH SUNDAY MORNING IN THE NORTHERN BLUE MOUNTAINS... .A moist warm front will arrive to the Washington and Oregon Cascades will spread east of the Cascades tonight. Precipitation will primarily fall as snow, but there will also be areas of light freezing rain. The northern Blue Mountains above 4500 feet will also observe moderate to heavy snow with this front. * WHAT...Snow expected for elevations above 4500 feet. Total snow accumulations 7 to 10 inches. Winds gusting as high as 35 mph will cause blowing and drifting of snow. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 8 PM this evening to 7 AM PST Sunday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow.