Funnel Cloud 1
Funnel Cloud 1 : A condensation funnel extending from the base of a towering cumulus or Cb, associated with a rotating column of air that is not in contact with the ground (and hence different from a tornado). (a) A condensation funnel is a tornado, not a funnel cloud, if either a) it is in contact with the ground or (b) a debris cloud or dust whirl is visible beneath it