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From flying shopping carts to an astounding lightning show, we collected a few photos from during and right after the worst of the storm. Many in the D.C. region were tweeting using the hashtags #dcstorm and #derecho. A derecho is the name a large, long-lived line of fast moving, violent thunderstorms.

more: http://www.washingtonpost.com/blogs/the-buzz/post/dcs-derecho-storm-in-photos-and-tweets/2012/06/30/gJQAimMyCW_blog.html?hpid=z1

photo credit: Christine Ruffo