Miles of storms

Downbursts of wind in bow

Echoes

Race across the

Endless sky

Causing

Hazards, prompting floods;

On a straight course they fly.

With thanks to Dr. Gustavus Hinrchs, who coined the term (1888), and Cathy Wurzer, who shared it on MPR.

http://www.spc.noaa.gov/misc/AbtDerechos/derechofacts.htm#strength