NASA’s Earth Observatory has posted before and after satellite images of the mid-Atlantic region showing the extent of the power outages after the June 29th storm. The land hurricane – technically called a “derecho”, or “long-lived wind storm that is associated with a band of rapidly moving showers or thunderstorms” – left over 4 million people without power for several days. The images are from ...

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NASA satellites show extent of power outages after the "derecho"