Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

During the afternoon of July 5, 2006, an outbreak of severe thunderstorms along the east slopes of the Cascades resulted in significant flash flooding in and near Lake Chelan. The radar loop above depicts the track of several strong to severe thunderstorms between 400 pm PDT and approximately 630 pm PDT. Radar estimated between 2.5 and 3.0 inches of rain within about a 2 hour time span (see radar storm total precipitation image below). Runoff from the very heavy rain resulted in a significant rock/debris slide along Slide Ridge south of Lake Chelan. The slide damaged portions of South Lakeshore drive between Lake Chelan State Park and Twenty-five Mile Creek State Park.

Lakeshore Drive below Slide Ridge
Photos Courtesy of Patrick Lonergran

By Kerry Jones

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Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

Slide Ridge Flash Flood Event - Chelan County, WA - July 5, 2006