tornado
violently rotating column of air that is in contact with both the earth's surface and a cumulonimbus cloud in the air
en-US/tɔɹˈneɪˌdoʊ/
en-GB/tɔːˈneɪdəʊ/
violently rotating column of air that is in contact with both the earth's surface and a cumulonimbus cloud in the air