Derecho Strikes the Eastern United States

On June 29, 2012, a windstorm started in northwestern Indiana, and traveled roughly 600 miles (1,000 kilometers) eastward to the Atlantic Ocean.
Power Outages in Washington, DC Area
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Power Outages in Washington, DC Area

A powerful line of thunderstorms knocked out power to millions of households in the U.S. Midwest and Mid Atlantic on June 29, 2012.

Published Jul 4, 2012

Image of the Day Severe Storms Human Presence

Derecho Strikes the Eastern United States
Image

Derecho Strikes the Eastern United States

Taken June 29, 2012, this photograph shows a shelf cloud on the leading edge of a violent storm system that blew across the eastern United States.

Published Jul 3, 2012

Image of the Day Atmosphere Land Severe Storms