Just before 7 a.m. Wednesday, a waterspout formed off the coast of Siesta Key Beach in Sarasota County.
This photo was captured by a local photographer, Ronald Kotinsky.
Waterspouts fall into two categories: fair weather waterspouts and tornadic waterspouts.
Tornadic waterspouts are tornadoes that form over water or move from land to water. They have the same characteristics as land tornados. They are associated with severe thunderstorms and are often accompanied by high winds and seas, large hail, and frequent dangerous lightning.
Fair weather waterspouts usually form along the dark flat base of a line of developing cumulus clouds. This type of waterspout is generally not associated with thunderstorms.
While tornadic waterspouts develop downward in a thunderstorm, a fair weather waterspout develops on the surface of the water and works its way upward. By the time the funnel is visible, a fair weather waterspout is near maturity. Fair weather waterspouts form in light wind conditions so they normally move very little.
If a waterspout moves onshore, the National Weather Service issues a tornado warning, as some of them can cause significant damage and injuries to people.
Typically, fair weather waterspouts dissipate rapidly when they make landfall, and rarely penetrate far inland.
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