bow echo
n.— «The line of thunderstorms had developed into what is known as a bow echo, named because the line of storms surges or “bows” out to the east and northeast due to strong winds associated with the storms.» —“NWS Classifies Wylie Tornado as EF-1″ KDFW-TV (Dallas/Fort Worth, Texas) Apr. 1, 2007. (source: Double-Tongued Dictionary)
Further reading
On a busy day in the emergency room, Alisa of Dallas, Texas, told an efficient colleague that she was really humming, meaning it as a compliment. Her colleague took offense, maintaining that humming meant “smelly.” Since the 18th...
There are lots of colloquial phrases to explain away the cacophony of a thunderstorm: The potato wagons are rolling, The tater wagon’s going over the bridge, The potato wagon broke down, and God is dumping out potatoes and washing them off. In...