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 but not reaching the ground or a water surface. A
A needle-like funnel cloud, which may have been a tornadic circulation but was not yet visible as such and which did later develop to become an infamous F5 tornado, near Elie, Manitoba
Small shear funnel in Carlyss, Louisiana
A shear funnel extending from a cumulus humilis cloud, which was observed in northern Texas during the first VORTEX project.
A tornado, also known as a twister, is a rapidly rotating column of air that extends vertically from the surface of the Earth to the base of a cumulonimbus or cumulus cloud. Tornadoes are often visibl
A tornado approaching Elie, Manitoba, Canada in June 2007
A tornado near Anadarko, Oklahoma, 1999. The funnel is the thin tube reaching from the cloud to the ground. The lower part of this tornado is surrounded by a translucent dust cloud, kicked up by the tornado's strong winds at the surface. The wind of the tornado has a much wider radius than the funnel itself.
Photographs of the Waurika, Oklahoma tornado of May 30, 1976, taken at nearly the same time by two photographers. In the top picture, the tornado is lit by the sunlight focused from behind the camera, thus the funnel appears bluish. In the lower image, where the camera is facing the opposite direction, the sun is behind the tornado, giving it a dark appearance.
A waterspout near the Florida Keys in 1969.