A funnel cloud forms when the vortex of a developing tornado draws in moist air. As the air enters the vortex it undergoes a pressure drop, which in turn produce a temperature drop. This causes the moisture to condense and form a funnel cloud.
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A funnel cloud forms when a rotating column of air extends downward from a cumulonimbus cloud but does not reach the ground. The spinning motion creates a funnel shape and if the funnel cloud reaches the ground, it becomes a tornado.
A funnel cloud may be called a condensation funnel or simply a funnel.
Yes, the term 'funnel cloud' is a compoundnoun, a word combining two or more words to form a noun with a meaning of its own. The compound noun funnel cloud is a word for a specific type of cloud.
A funnel cloud is a rotating column of air that extends from the base of a thunderstorm. They can be identified by their funnel-shaped appearance extending downwards from the cloud. Funnel clouds may or may not reach the ground to become tornadoes.
A funnel cloud is a rotating cloud that extends downward from a thunderstorm, while a tornado is a funnel cloud that has touched the ground. In other words, all tornadoes start as funnel clouds, but not all funnel clouds develop into tornadoes.
A funnel cloud is a funnel, cone, or trunk shaped cloud that extends downward from the cloud base and rotates. If dust or debris can be seen swirling beneath it, that means a tornado is con the ground. Below are pictures of some funnel clouds.