weather phenomenon characterized by an intense columnar vortex that occurs over a body of water From Wikipedia, the free encyclopedia
A waterspout is a funnel cloud over water. It is a nonsupercell tornado over water. Waterspouts do not suck up water; the water seen in the main funnel cloud is actually water droplets formed by condensation.[1] It is weaker than most of its land counterparts.[2]
Waterspouts that are not associated with a rotating updraft of a supercell thunderstorm, are known as "nontornadic" or "fair-weather waterspouts", and are by far the most common type.[3]
Fair-weather waterspouts occur in coastal waters and are associated with dark, flat-bottomed, developing convective cumulus towers.
A winter waterspout, also known as a snow devil, an icespout, an ice devil, a snonado, or a snowspout, is a very rare meteorological phenomenon in which a vortex from snow develops that looks like a waterspout.[4] One does not know much about this rare happening and there are only six known pictures of this event so far.
There are three main things that produce a winter waterspout:
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