Hydrologic Outlook issued March 23 at 4:15AM PDT by NWS Seattle WA
ESFSEW An atmospheric river today through Monday will bring heavy rain at times, especially for the mountains. Total precipitation amounts in the mountains will range from 3 to 6 inches, with locally heavier amounts possible. Snow levels will also rise to near 7500 feet during this period. This will result in sharp rises on rivers with flooding possible.
Flood Warning issued March 23 at 4:13AM PDT until March 25 at 11:00AM PDT by NWS Seattle WA
...The National Weather Service in Seattle WA has issued a Flood Warning for the following rivers in Washington... Skokomish River At Potlatch affecting Mason County. .Four to six inches of rain forecast for the south slopes of the Olympics from Sunday morning through early Monday evening. Snow levels rising to 7000 feet. This combination will push the Skokomish River above flood stage. * WHAT...Moderate flooding is forecast. * WHERE...Skokomish River at Potlatch. * WHEN...From this afternoon to late Tuesday morning. * IMPACTS...At 17.5 feet, the Skokomish River will cause moderate flooding, with deep and quick flood waters inundating some residential
Avalanche Warning issued March 22 at 6:30PM PDT by NWS Seattle WA
AVWSEW The following message is transmitted at the request of the Northwest Avalanche Center. ...The Northwest Avalanche Center in Seattle has issued an Avalanche Warning... * WHAT...Very dangerous avalanche conditions are expected as rain and heavy wet snow overload a dry snowpack. Very large avalanches are expected and may descend to lower elevations, including openings down in the forest. * WHERE...The west slopes of the Washington Cascades, Passes, and Mt. Hood. Including areas near Mt. Baker, the Mountain Loop Hwy, Stevens Pass, Snoqualmie Pass, Mt. Rainier, White Pass, Mt. Saint Helens, and Mt. Hood. * WHEN...In effect from Sat. 18:30
Flood Watch issued March 22 at 4:55AM PDT until March 25 at 7:00PM PDT by NWS Seattle WA
Heavy rain with rising snow levels over the south slopes of the Olympics beginning Sunday could cause the Skokomish River in Mason county to go over flood stage beginning Sunday evening. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of northwest Washington, including the following county, Mason. * WHEN...From Sunday evening through Tuesday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Heavy rain over the south slopes of the Olympics Sunday into Monday. Snow levels near 7000 feet. - http://www.weather.gov/safety/flood
Winter Weather Advisory issued March 21 at 6:17AM PDT until March 22 at 5:00AM PDT by NWS Seattle WA
* WHAT...Snow. Additional light snow accumulations expected through this morning with another 6 to 8 inches expected tonight through early Saturday. Winds gusting as high as 45 mph. * WHERE...Cascades of Pierce and Lewis Counties and Cascades of Southern King County. * WHEN...Until 5 AM PDT Saturday. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will rise above Snoqualmie Pass at times today, before lowering again late tonight. This will lead to periods of rain and lower snow totals at the pass compared to higher elevations.
Winter Storm Warning issued March 21 at 6:17AM PDT until March 22 at 5:00AM PDT by NWS Seattle WA
* WHAT...Heavy snow expected. Additional snow accumulations of 12 to 18 inches through Saturday morning. Winds gusting as high as 40 mph. * WHERE...Cascades of Snohomish and Northern King Counties and Cascades of Whatcom and Skagit Counties. * WHEN...Until 5 AM PDT Saturday. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible.
Winter Weather Advisory issued March 20 at 10:18PM PDT until March 22 at 5:00AM PDT by NWS Seattle WA
* WHAT...Snow. Additional snow accumulations up to 6 inches through early Friday morning, followed by another 6 to 8 inches late Friday through early Saturday. Winds gusting as high as 45 mph. * WHERE...Cascades of Pierce and Lewis Counties and Cascades of Southern King County. * WHEN...Until 5 AM PDT Saturday. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will rise above Snoqualmie Pass at times tonight and early Friday, before lowering again late Friday night. This will lead to periods of rain and lower snow totals at the pass compared to
Winter Storm Warning issued March 15 at 8:38PM PDT until March 16 at 11:00AM PDT by NWS Seattle WA
* WHAT...Heavy snow at or above elevations greater than 2000 ft. Additional snow accumulations between 2 to 8 inches. * WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...Until 11 AM PDT Sunday. * IMPACTS...Plan on slippery road conditions.
Hydrologic Outlook issued March 14 at 2:27PM PDT by NWS Seattle WA
ESFSEW Precipitation in the Olympics this weekend will force a sharp rise on the Skokomish River in Mason County with flooding possible by Sunday. The river will continue to run high into early next week. Please monitor the latest river forecasts from the National Weather Service for additional information.
Winter Storm Warning issued March 14 at 2:25PM PDT until March 16 at 11:00AM PDT by NWS Seattle WA
* WHAT...Heavy snow expected at or above elevations greater than 2000 ft. Total snow accumulations between 12 and 18 inches. * WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...From 5 AM Saturday to 11 AM PDT Sunday. * IMPACTS...Travel could be very difficult to impossible. Gusty winds could bring down tree branches.