How are funnel clouds formed?

Answer

A funnel cloud is a funnel-shaped cloud of dense water droplets linked with a rotating column of wind and extending from the foot of a cloud but not reaching the ground or a water surface. Weak tornadoes that do not have a visible portion reaching the ground can also be considered a funnel cloud.
Q&A Related to "How are funnel clouds formed?"
A cone-like dip in the clouds with tornadic motions which will often precede the touchdown of a Tornado.
http://wiki.answers.com/Q/What_is_the_definition_o...
( ′fən·əl ′klau̇d ) (meteorology) The popular term for the tornado cloud, often shaped like a funnel with the small end nearest the ground.
http://www.answers.com/topic/what-is-a-funnel-clou...
A funnel cloud is associated with a rotating column of wind and
http://www.chacha.com/question/what-are-the-charac...
Usually, the easy way to explain funnel clouds is that they're tornadoes that don't reach the ground. But not in the Northwest. Here, our funnel clouds are tornado imposters! Almost
http://www.komotv.com/weather/faq/4308597.html
2 Additional Answers
Ask.com Answer for: what is a funnel cloud
funnel cloud
NOUN
1.
a rapidly rotating funnel-shaped cloud extending downward from the base of a cumulonimbus cloud, which, if it touches the surface of the earth, is a tornado or waterspout.
Source: Dictionary.com
A funnel cloud is a funnel shaped cloud formed of condensed water droplets that has a rotating funnel of wind extending from it but not touching the ground.
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