A line of intense, widespread, and fast-moving windstorms and sometimes thunderstorms that moves across a great distance and is characterized by damaging winds.
- ‘When the bow echo bulge reaches 80-320 km wide, the derecho has been born.’
- ‘I would like to know what scientific writings about bow echoes and derechos have been published.’
- ‘View a radar animation of the derecho as it passed through the area.’
Late 19th century: Spanish, literally straight.
We take a look at several popular, though confusing, punctuation marks.