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Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Overview

Temperatures in the mid 80s and gulf moisture led to a very unstable atmosphere on Wednesday. An upper level wave and forcing ahead of a slow moving cold front initiated storms across the Midwest, including numerous severe storms across Northern Illinois and Northwest Indiana. The strongest storms produced 2-3" diameter  hail near Rockford, and a 67 MPH wind gust at Midway Airport, with significant wind damage near Midway. In addition, significant wind damage occurred in parts of northern Kankakee County and central Lake County Indiana.  After a brief break in storms, a line of storms brought large hail up to 2-2.5" diameter to northern Lake and McHenry Counties, and heavy rain to areas mainly north of I-80.

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