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[mez-uh-sahy-klohn, mes-, mee-zuh-, -suh-] /ˌmɛz əˈsaɪ kloʊn, ˌmɛs-, ˌmi zə-, -sə-/
noun, Meteorology
a small cyclone that arises near a thunderstorm and is sometimes associated with the occurrence of tornadoes.
Origin of mesocyclone
1970-75; meso- + cyclone Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for mesocyclone
  • These mesocyclone tracks are approximated from radar imagery.
  • The mesocyclone strengthened, but still remained a strong mesocyclone.
  • The mesocyclone strengthened but still remained a strong mesocyclone.
  • Strong storm-relative flow continued to be directed into the mesocyclone.
  • If this process results in large enough values of vertical vorticity, a mesocyclone develops.

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