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Rain Showers and Gusty Winds Coming to the Mid-Atlantic; Remaining Unseasonably Warm in the Central U.S.

Low pressure will track slowly northwestward into the Mid-Atlantic region through midweek bringing a risk for excessive rainfall, gusty winds, shallow coastal flooding, rip currents, and large surf. Unseasonably warm to hot temperatures persist in the mid to upper Mississippi Valley and into the Great Lakes and Northeast U.S. through Thursday. Read More >

Overview

Widespread showers and thunderstorms, over a 2-day period,  brought heavy rain and other severe weather to the region on Monday, Sept. 3rd and Tuesday, Sept. 4th, continuing into the morning hours of Wednesday, Sept. 5th.

The heaviest rain Monday into Tuesday fell over northeast Iowa into southwest Wisconsin.  The next day and night, the heaviest rain fell Tuesday evening into Wednesday morning. Rainfall rates were 2-3 inches per hour at times.

Widespread street and other urban flooding occurred, along with rapid rises on area rivers and streams.  Some area rivers climbed back into MAJOR flood stage from flooding the week before, and other rivers approached flood stage for the first time through the active pattern. Rock and mudslides were reported in some of the hilly locations, and there were numerous road closures (especially in southwest Wisconsin).

There was also sporadic wind damage and one tornado (EF-1) as the storms moved through.

24 hour rainfall through 6 am Sep 5 2018
24 hour rainfall through 6 am Sep 5, 2018
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