CoCoRaHS WxTalk Webinar#78: Derechos - Nature's Wall of Wind

Presenter: Walker Ashley, Northern Illinois University.
Note: Some portions of the presentation displayed screen resolution issues - please be patient, as they are addressed and improved upon, on and off throughout.
Thunderstorm generated windstorms occur over broad spatial and temporal scales; however, the more widespread and longer-lived of these windstorms are known as “derechos”. This talk will define derechos and their different types, reveal the interesting origin and history of the term derecho, provide a climatological overview of these extreme events, and illustrate the impacts these windstorms can have on communities by examining a few noteworthy events. We will also examine the unique visual and radar characteristics of thunderstorm systems that produce derechos. We will conclude with a discussion of how climate change may affect derechos and their parent thunderstorm systems in the 21st century.

[@tomwinkle1995]

Many thanks for the presentation. Sorry that I missed the live broadcast, but life intervened.
IL-DK-28