National Weather Service United States Department of Commerce

Most West Virginians know what the relatively obscure meteorological term "derecho" means.  That's because of the impact that the June 29, 2012 Midwest/Ohio Valley Derecho had on their lives.  Wind speeds that reached 60 to 80 mph knocked down trees and cut power to over 670,000 customers in West Virginia and over a million in Ohio at the peak of the event.  In many cases it took over a week for utility companies to restore services.  Compounding the situation, the derecho occurred during a period of intense heat which continued for several days afterwards making life difficult for those without electricity and air conditioning.  Tony Cavalier, Chief Meteorologist from WSAZ-TV Huntington-Charleston, WV, said, "The derecho was one of the top two impacting events in my 25 year career."*

* Quote included in The Historic Derecho of June 29, 2012 NWS Service Assessment


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