tornado cloud

tornado cloud

[tȯr′nād·ō ‚klau̇d]
(vertebrate zoology)
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References in periodicals archive ?
The tornado cloud was so massive it did not look like a tornado at all," Jensen says "I was taking pictures of this thing coming.
6 The sight of tornado clouds gathering looks menacing whether in CGI or real life - but only the real ones can hurt you.