A funnel cloud is a rotating cone-shaped column of air extending downward from the base of a thunderstorm, but not touching the ground.
When it reaches the ground it becomes a tornado.

A funnel cloud is a rotating cone-shaped column of air extending downward from the base of a thunderstorm, but not touching the ground.
When it reaches the ground it becomes a tornado.
Copyright 2009 WFMZ. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
Comments