12 years ago today: Video of the derecho storm complex that swept from Chicago to Washington DC on June 29, 2012, passing Montgomery Village, Maryland at 10:15 p.m. off the Atlantic coast. The storm system produced winds over 70 mph, heavy lightning, and left more than 2 million people in the DC area without power for days. The storm is considered one of the most destructive and powerful non-tropical storms ever recorded in the DC area. For more information, go to: http://en.wikipedia.org/wiki/June_2012_Mid-Atlantic_and_Midwest_derecho To view radar images of the derecho in its entirety from Iowa to the Atlantic Ocean, go to: http://www.youtube.com/watch?v=9tyjJY8jApE Featured in the Washington Post/Capital Weather Gang: http://www.washingtonpost.com/blogs/capital-weather-gang/post/extraordinary-energy-friday-nights-derecho-in-washington-dc/2012/07/01/gJQAF2GFGW_blog.html?wp_login_redirect=0,

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