Funnel Cloud #2
by Science Source
Title
Funnel Cloud #2
Artist
Science Source
Medium
Photograph
Description
Funnel cloud, a tornado that isn't on the ground. Near El Reno, Oklahoma July 1973. A funnel cloud is a funnel-shaped cloud of condensed water droplets, associated with a rotating column of wind and extending from the base of a cloud (usually a cumulonimbus or towering cumulus cloud) but not reaching the ground or a water surface. A funnel cloud is usually visible as a cone-shaped or needle like protuberance from the main cloud base. Funnel clouds form most frequently in association with supercell thunderstorms. If a funnel cloud touches the ground it becomes a tornado. Most tornadoes begin as funnel clouds, but many funnel clouds do not make ground contact and so do not become tornadoes.
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June 2nd, 2013
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