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Severe Thunderstorms and Excessive Rainfall in the Central U.S.

Thunderstorms, some severe, may produce heavy to excessive rainfall over portions of the Central/Southern Plains, Mississippi Valley and Southeast. Dry and windy conditions will pose an elevated fire weather risk over parts of western Florida. Read More >

Overview

June 12, 2017 - During the evening, thunderstorms developed and moved into northeastern Wyoming and western South Dakota ahead of a strong low pressure system. Some of the storms produced wind gusts to 75 mph, and hail to 1.5 inches in diameter. A brief tornado was observed 4 miles WNW of Swett in Bennett County, but no damage was reported. Strong wind gusts tipped over a semi truck on I-90 near Kadoka. 

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