Joint Information Center | Preparedness | King County | Flood information

News Release

4 p.m., Jan. 18, 2005

Flood alerts issued for Green and White rivers in south King County

The King County Flood Warning Center has issued Phase Two Flood Alerts for the Green River above Auburn and the White River below Mud Mountain Dam in south King County. Those alerts mean minor lowland flooding can be expected along both rivers due to heavy rainfall.

The flood warning center reports the U.S. Army Corps of Engineers has adjusted dam operations to create capacity for additional rainfall behind Howard Hanson Dam on the Green River and behind Mud Mountain Dam on the White River. These adjustments will ensure there is enough storage capacity to handle a new wave of rainfall. The phase two alerts are not expected to have significant impacts in the Green and White river valleys.

A Phase Four Flood Alert remains in effect for the Tolt River while a Phase Three Alert for moderate flooding continues along the Snoqualmie River in east King County.

While the Flood Warning Center and the county’s Regional Communications and Emergency Coordination Center monitor flood conditions and coordinate resource needs, the county’s Road Services Division continues to post road closures where water significantly covers roadways. Currently 13 flood-prone roads in the Snoqualmie Valley are closed.

Due to the flood-related closures on SR-202 and SR-203 near Fall City, King County is recommending that motorists take the following alternate routes into Carnation, Duvall and Snoqualmie.

If your destination is Carnation or Duvall, take SR- 202 to Ames Lake Road, then take West Snoqualmie Valley Road to Woodinville-Duvall Road, turning east to Duvall. From there, motorists should turn south on SR-203 to Carnation (254K map).

Motorists traveling to and from Snoqualmie should take SR-202 to Fall City then take Preston-Fall City Road south to I-90 and Snoqualmie (178K map). The city of Duvall will assist King County Road crews with traffic control through the city during the afternoon commute.

Motorists are reminded never to drive through standing water or around barricades - this is how most lives are lost during flooding.

The Flood Warning Center was activated yesterday when heavy rain caused Snoqualmie Valley rivers to rise quickly, triggering flood alerts. While most of the flooding has been confined to valleys surrounding some of the county’s largest rivers, motorists traveling anywhere in the region should be on the lookout for weather-related problems, such as water over roadways or mudslides.

Residents in affected areas can get updated information on flooding and road closures on the King County Web site at or by logging on to RPIN, the area's regional Web site at A recorded flood information hotline is also updated each hour for citizens wanting flood information. 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.

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