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Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Overview

Numerous showers and thunderstorms tracked across eastern Iowa, northwest Illinois, and northeast Missouri during the afternoon and evening of Tuesday, August 28.  Very heavy rain, frequent lightning, damaging winds, and a tornado were reported with these storms.  A tornado touched down along the Scott/Clinton county border near Donahue, IA or south of Grand Mound, IA causing damage to trees, crops, and a home.  Winds between 50 and 90 mph caused several downed power lines, power outages, and tree damage.  Rainfall totals between 2 and 4 inches were common along and south of I-80.

Additional Information


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WPC Surface Fronts/Pressure Loop
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