Photo: Courtesy of Erik Christiansen. Now that pot legislation is making its way across the country, it's time for a refresher on the difference between the main types of marijuana strains: indica and sativa. It's a lesson some of us have had to learn over and over again.
A derecho (pronounced similar to deh-REY-cho in English, or pronounced phonetically as ) is a widespread, long-lived wind storm associated with a band of rapidly moving showers or thunderstorms variously known as a squall line, bow echo, or quasi-linear convective system.
Incredible radar loop of derecho from start to finish uploaded to YouTube by akrherz Derechos are most common in the Midwest and Great Lakes between May and July. The National Weather Service indicates they occur about once every four years in the D.C. area.