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Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Overview

Scattered showers and thunderstorms developed and tracked over portions of eastern Iowa, northwest Illinois, and northeast Missouri Friday afternoon and evening.  These storms produced torrential rainfall for some, lightning, and damaging winds in a few counties.  The highway 20 corridor from Dubuque to Freeport received the most wind damage and lightning.  The town of Elizabeth Illinois in Jo Daviess county was particularly hit hard with damaging winds.  A 75 mph wind gust was also recorded at the NWS Quad Cities forecast office with this evening's storms, snapping a few tree branches next to the office. Image
Weather Prediction Center Pressure / Fronts
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