Meaning & use

mesocyclone

noun·Advanced

Last updated

a rotating column of rising air within a severe thunderstorm that can precede the formation of a tornado.

See it in a sentence

Meteorologists tracked the mesocyclone on radar as the storm intensified.

Not every mesocyclone produces a tornado, but most tornadoes form from one.

A note on using this word

Detected using Doppler radar, a mesocyclone is a key warning sign forecasters watch for when issuing tornado warnings.

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