Weather Alerts for King CoIssued by the National Weather Service |
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KING CO | ||
Areas Affected: West Slopes North Cascades and Passes - West Slopes North Central Cascades and Passes - West Slopes South Central Cascades and Passes |
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Effective: Fri, 12/1 4:00am | Updated: Thu, 11/30 3:24am | Urgency: Expected |
Expires: Sun, 12/3 4:00am | Severity: Moderate | Certainty: Likely |
Details:
...WINTER STORM WARNING IN EFFECT FROM 4 AM FRIDAY TO 4 AM PST SUNDAY ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. Total snow accumulations of up to 2 to 3 feet possible. * WHERE...Cascade mountains and valleys of Whatcom and Skagit Counties, including the Mount Baker Ski Area, the Cascade mountains and valleys of Snohomish and King Counties, including Stevens and Snoqualmie Pass, and the Cascade mountains and valleys of Pierce and Lewis Counties, including the Crystal Mountain Ski Area and Paradise on Mount Rainier. * WHEN...From 4 AM Friday to 4 AM PST Sunday. * IMPACTS...Travel could be very difficult. Information: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. |
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KING CO | ||
Areas Affected: Clallam - Grays Harbor - Island - Jefferson - King - Kitsap - Lewis - Mason - Pierce - San Juan - Skagit - Snohomish - Thurston - Whatcom |
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Effective: Wed, 11/29 4:59pm | Updated: Thu, 11/30 3:24am | Urgency: Future |
Expires: Thu, 11/30 6:00am | Severity: Unknown | Certainty: Possible |
Details:
...THREAT OF RIVER AND URBAN FLOODING SUNDAY THROUGH WEDNESDAY NEXT WEEK ACROSS WESTERN WASHINGTON... An period of active weather returns to Western Washington Thursday and continues into next week as a series of frontal systems are poised to move across the Pacific Northwest. Snow levels start off between 1500 and 2000 feet on Thursday but rise closer to 6000 to 7000 feet by Sunday as deeper moisture advects over the region in association with an atmospheric river. Total rainfall amounts through Wednesday from these systems of several inches over the lowlands to upwards of 10 inches or more in the Cascades and Olympics will lead to rapid rises on rivers, especially combined with melting as snow levels rise Sunday into the first half of next week. River flooding will be possible on more susceptible rivers such as the Skokomish River in Mason County, but may also include other rivers in the Olympic and Cascade basins. Urban and nuisance flooding may also occur during periods of higher rainfall rates, especially Sunday into next week. Please monitor the latest river forecasts from the National Weather Service for additional information. |