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Natural Resources and Parks

King County, Washington

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DNRP
Dec. 28, 2011

King County opens Flood Warning Center as Snoqualmie River rises from heavy rain

The King County Flood Warning Center opened at 11:30 a.m. on Wednesday, Dec. 28 to monitor rising flows on the Snoqualmie River from heavy rainfall in the area.

As of 11:30 a.m., the sum of the Snoqualmie River’s three forks was flowing at 12,010 feet per second (cfs), which is just above the 12,000 cfs threshold for a Phase II flood alert level on the Snoqualmie River. At this flow, only minor flooding can be expected, including the potential for water over Neal Road and possibly a handful of other roads in the Snoqualmie Valley.

A Phase II flood alert level is the level of the County's four-phase warning system at which the Flood Warning Center activates to monitor conditions.

Flood Warning Center staff will monitor stream gages and weather reports, and will provide updated information on river conditions as necessary. Real-time river level information is available online at http://www.kingcounty.gov/flood.

Updated information on flooding will also be posted on the King County website at http://www.kingcounty.gov, or via RPIN, the area's regional information website, at http://www.rpin.org. A recorded flood-information hotline is also updated each hour for citizens wanting information in flood areas. The number is 206-296-8200 or 1-800-945-9263.

Citizens who need help interpreting flood information should call 206-296-4535 or 1-800-768-7932. Problems on county maintained roads can be reported by calling 206-296-8100 or 1-800-KC-ROADS.

An automated flood alert system is available and provides real-time warning of potential high water on more than a half-dozen rivers. King County residents and business owners can sign up to receive King County Flood Alerts by visiting www.kingcounty.gov/flood, or by calling 206-263-3400 during regular business hours to register by phone. Messages of potential high flows on any of King County’s major river systems can be sent by phone, text or email.

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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 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. Visit http://www.kingcountyfloodcontrol.org for more information.