Forecasters: Issaquah Creek has crested but risk continues

December 12, 2010

By Warren Kagarise

Heavy rainfall caused Issaquah Creek to rise and spill onto roads and into neighborhoods Sunday. By Shawn Clark

NEW — 5:30 p.m. Dec. 12, 2010

Forecasters said rain-gorged Issaquah Creek has appeared to have crested by late Sunday afternoon.

The creek’s lower reach near Lake Sammamish State Park remained near flood stage, but National Weather Service forecasters in Seattle said although Issaquah Creek had crested, a flood warning is to remain in place until late Sunday night.

Residents can receive real-time Issaquah Creek flood data from flood gauges in Hobart and near the mouth of Issaquah Creek.

Though emergency planners monitor both gauges, only the Hobart gauge is used to determine flood phases in Issaquah.

Forecasters said the gauge near the creek mouth recorded the water level at 10.6 feet at 4:30 p.m. Sunday. The flood stage for the area is 10.5 feet. The creek level should recede from flood stage by 8 p.m. Sunday.

City crews fanned out across Issaquah on Sunday as a late-fall deluge led to flooding in neighborhoods and caused the creek to rise.

Residents reported street flooding from Montreux on Cougar Mountain to the business district along Northwest Gilman Boulevard to downtown Issaquah. Drivers also reported water flowing across Issaquah-Hobart Road Southeast in rural King County.

The heavy rainfall and unseasonably warm temperatures should continue to impact Western Washington through Monday, although rainfall is expected to taper off Sunday night. Forecasters said the Pineapple Express is the wettest system to affect the region in almost two years.

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3 Responses to “Forecasters: Issaquah Creek has crested but risk continues”

  1. Flooding risk dimishes, but landslide threat remains : The Issaquah Press – News, Sports, Classifieds in Issaquah, WA on December 13th, 2010 6:00 am

    […] Creek has crested and the flood watch has been lifted for the region, but National Weather Service forecasters said […]

  2. King County crews continue flood cleanup on roads : The Issaquah Press – News, Sports, Classifieds in Issaquah, WA on December 14th, 2010 8:00 am

    […] Meanwhile, King County closed the Flood Warning Center at 11 p.m. Monday. The center opened at 2 a.m. Sunday as rainfall pushed flows higher on the Tolt, Snoqualmie and Green rivers, and Issaquah Creek. […]

  3. Strong thunderstorms down power line : The Issaquah Press – News, Sports, Classifieds in Issaquah, WA on December 14th, 2010 8:01 am

    […] thunderstorms followed a wet weekend. Issaquah Creek crested Sunday after days of rain, but creeks and streams in the Issaquah area continue to run at […]

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