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Q: What is a derecho?

Written on: June 13th, 2013 by: in Archives

There have been warnings of a derecho from meteorologists in the news lately.  But what is a derecho?

Photo from NOAA, derecho in Illinois in 2008

According to the National Oceanic and Atmospheric Administration (NOAA), a derecho “is a widespread, long-lived wind storm that is associated with a band of rapidly moving showers or thunderstorms. Although a derecho can produce destruction similar to that of tornadoes, the damage typically is directed in one direction along a relatively straight swath.”

CBS News states “derechos differ to tornadoes in scale. Tornadoes are more isolated events – a single parent storm or a single thunderstorm that hits a certain area. A derecho is a very large weather event that covers a much greater area.”

Here are some resources to prepare for derechos, hurricanes, and other severe storms:

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