National Weather Service United States Department of Commerce

Multi-day, Potentially Catastrophic Heavy Rainfall and Severe Weather Event

A multi-day, potentially historic heavy rainfall event may produce catastrophic and life-threatening flooding through Saturday from the Ozarks into the Ohio River Valley. Several clusters of strong to severe storms are expected from the Southern Plains, Mid Mississippi Valley to the Ohio/Tennessee Valleys and the Mid Atlantic. Read More >

Overview

Two days of severe weather affected northeastern Wyoming and western South Dakota on June 1–2, 2015. Large hail, damaging winds, and flooding were reported. Both storms were captured on time-lapse video by off-duty NWS employees. Pictures of the flooding aftermath and giant hail are included.

 
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