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.
There are four types of derechos: 1  Serial derecho â This type of derecho is usually associated with a very deep low.  Single-bow â A very large bow echo around or upwards of 250 miles (400 km) long. This type of serial derecho is less common than the multi-bow kind.