mesocyclone

(redirected from Low-level mesocyclone)
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mesocyclone

[¦me·zō¦sī‚klōn]
(meteorology)
A cyclonic circulation interior to a convective storm.

mesocyclone

The cyclonic, rotating part of a large thunderstorm. Tornadoes usually are formed in association with the mesocyclone.
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Similar predominantly cyclonic misocyclone-scale vortices moving down boundaries along/within the forward flank of supercells that appear to merge into the low-level mesocyclone or tornado cyclone have also been observed in mobile Doppler radar data (e.
As the SVC strengthens, tilting imparts increasing rotation to the low-level mesocyclone and concurrent intensification of the low-level updraft ensues.

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