Funnel WaterSpout

A waterspout is an intense columnar vortex (usually appearing as a funnel-shaped cloud) that occurs over a body of water, connected to a cumuli-form cloud. In the common form, it is a non-super-cell tornado over water.While it is often weaker than most of its land counterparts, stronger versions spawned by mesocyclones do occur.Waterspouts do not suck up water; the water seen in the main funnel cloud is actually water droplets formed by condensation.While many waterspouts form in the tropics, other areas also report waterspouts, including Europe, Newzealand, the Great Lakes and Antarctica.Although rare, waterspouts have been observed in connection with lake-effect snow precipitation bands.Waterspouts have a five-part life cycle: formation of a dark spot on the water surface, spiral pattern on the water surface, formation of a spray ring, development of the visible condensation funnel, and ultimately decay.

Funnel Waterspout

A waterspout is defined by the National Weather Service as a tornado over water.However, researchers typically distinguish "fair weather" waterspouts from tornadic waterspouts. Fair weather waterspouts are less severe but far more common, and are similar to dust devils and land-spouts  They form at the bases of cumulus congestus clouds over tropical and subtropical waters. They have relatively weak winds,smooth laminar walls, and typically travel very slowly. 

Funnel Waterspout

They occur most commonly in the Florida Keys and in the northern Adriatic Sea. In contrast, tornadic waterspouts are stronger tornadoes over water. They form over water similarly to mesocyclonic tornadoes, or are stronger tornadoes which cross over water. Since they form from severe thunderstorms and can be far more intense, faster, and longer lived than fair weather waterspouts, they are more dangerous.In official tornado statistics, waterspouts are generally not counted unless they affect land, though some European weather agencies count waterspouts and tornadoes together.

Funnel Waterspout

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Funnel WaterSpout

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