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Heavy rain brings Snoqualmie River up to Phase 3 flood alert level, with widespread Valley flooding

Summary

The King County Flood Warning Center, which opened at 8:45 a.m. on Thursday, Jan. 28 to monitor rising rivers, has issued a Phase 3 flood alert for the Snoqualmie River, with the potential for widespread flooding in much of the Snoqualmie Valley.

Story

As of 1:45 p.m., the sum of the Snoqualmie River’s three forks reached aFlood Control Zone District Logo flow of 20,830 cubic feet per second (CFS), slightly higher than the Phase 3 flood alert level of 20,000 CFS. At these flows, several roads could overtop with water and close, including Fall City-Carnation Road, Tolt Hill Road Northeast and Northeast 124th Street.

Meanwhile, the Tolt River remains at a Phase 2 flood alert, with minor flooding expected in low-lying areas along the river. As of 1:45 p.m., the Tolt River at Carnation recorded a flow of 3,970 CFS.

Flood Warning Center employees will continue monitoring stream gages and weather reports, and will provide updated information on river conditions as necessary. Real-time river level information is available online at kingcounty.gov/flood.

During river flooding events, King County serves as a clearinghouse for information on flood conditions, operating a recorded message center with continuous updates of river gage readings and flood phases and other related information. Reach the Flood Warning Center at 206-296-8200 or 1-800-945-9263. Interpreter assistance in multiple languages is available.
 
King County offers everyone free access to KC Flood Alerts, an automated system that allows subscribers to receive customized alerts of potential flooding for any or all of King County’s six major river systems.

Immediate notifications about pending high water are sent to email, smart phone text or voicemail, providing subscribers with the maximum amount of warning about potential high water.

Find the KC Flood Alerts link at kingcounty.gov/flood. This website is a valuable preparedness resource, with all of the latest information about river levels and road conditions, plus weather reports and other critical links.

Questions or assistance with flooding on smaller streams or urban drainage problems can be called in to 206-296-1900 during business hours, or 206-296-8100 after hours or on weekends.

Problems on County maintained roads can be reported by calling 206-296-8100 or 1-800-KC-ROADS. Current road information is available at kingcounty.gov/mycommute.
 
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The King County Flood Control District is a special purpose government created to provide funding and policy oversight for flood protection projects and programs in King County. The Flood Control District’s Board is composed of the members of the King County Council. The Water and Land Resources Division of the King County Department of Natural Resources and Parks develops and implements the approved flood protection projects and programs. Information is available at kingcountyfloodcontrol.org.