mesocyclone

noun
me·so·cy·clone | \ˌme-zə-ˈsī-ˌklōn, ˌmē-, -sə-ˈsī-\

Definition of mesocyclone 

: a rapidly rotating air mass within a thunderstorm that often gives rise to a tornado

Examples of mesocyclone in a Sentence

Recent Examples on the Web

Bow echoes at times contain vortices, including a type called a mesocyclone contained in classic, isolated supercells. Jeff Halverson, Washington Post, "Monday’s nasty line of storms wasn’t quite a derecho, but was impressive by many measures," 15 May 2018 Between these two air masses, a mesocyclone formed. Matthew Cappucci, Washington Post, "Three-inch hail and multiple tornadoes raked the Sunshine State on Tuesday," 11 Apr. 2018 The combination of moderate destabilization and shear is sufficient to support a few strong multicellular-type thunderstorms, and perhaps even a supercell or two (which contains a rotating updraft called a mesocyclone). Jeff Halverson, Washington Post, "Thunderstorms possible this afternoon, a few could be strong or severe," 23 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mesocyclone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mesocyclone

1963, in the meaning defined above

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Dictionary Entries near mesocyclone

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mesocracy

mesocratic

mesocyclone

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mesoderm

Mesodesma

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The first known use of mesocyclone was in 1963

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