Meteorologists forecast blustery, soggy Thanksgiving

November 19, 2012

By Warren Kagarise

NEW — 6 a.m. Nov. 19, 2012

Expect a soggy Thanksgiving and a side of rain in the days before the holiday, as series of systems batters Western Washington.

The weather comes as rain-soaked Pacific systems barrel across the region in quick succession. National Weather Service meteorologists in Seattle said the strongest fronts should affect Western Washington through Monday night.

Residents should expect 2 to 5 inches of additional rain to fall in the mountains below the snow level. The influx of moisture increases the landslide risk on slopes.

Then, wet and windy weather should continue through the week, with lulls possible on Tuesday and Thursday, Thanksgiving. Snow is forecast to fall in the mountains, and motorists should prepare for snow in the mountain passes, including Snoqualmie Pass.

Forecasters said another waterlogged weather system could arrive by the weekend.

The precipitation raises the prospect of localized flooding on city streets.

Issaquah residents can reduce street-flooding risk by clearing debris, such as fallen leaves and tree branches, from storm drains near homes. Call the municipal Public Works Operations Department at 837-3470 to address larger storm water issues.

City officials base Issaquah Creek flood warnings on real-time data from a gauge upstream from Issaquah in Hobart. The system usually provides hours of lead time before flooding impacts Issaquah. Officials also monitor a gauge at the creek mouth in Lake Sammamish State Park.

Issaquah dodged significant flooding last year, and the last flooding to occur in the city resulted after a Pineapple Express storm barreled into the region in early December 2010.

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