On 10 August 2020 the US Midwest experienced a Derecho that brought widespread devastation to many areas.  A Derecho is a widespread, long-lived, straight-line wind storm that is associated with a fast-moving group of severe thunderstorms known as a mesoscale convective system.  Derechos can cause hurricane-force winds, tornadoes, heavy rains, and flash floods.  As depicted below the 10 August 2020 Derecho spanned serval states over a 12 hour period. Continue reading →