Helicopters flying near waterspouts can be damaged and thrown off-course by such intense winds. A waterspout is a column of rotating, cloud-filled wind. Waterspouts not only put swimmers and boaters at risk, they also pose a threat to aircraft. spout verb I, T (LIQUID) If a liquid spouts or if something makes it spout, it flows out of something with force. The National Weather Service recognizes the dangers posed by waterspouts as part of its "severe local storm" warning list. The largest waterspouts can have diameters of 100 meters (330 feet) and last for up to one hour, though the average lifetime is just 5 to 10 minutes. The average spout is around 50 meters (165 feet) in diameter, with wind speeds of 80 kilometers per hour (50 miles per hour), corresponding to the weakest types of tornadoes on land. When the flow of warm air into the vortex weakens, the waterspout collapses. It appears to have a hollow funnel and may be surrounded by vapor.
The waterspout is now at its most intense stage, visible from the surface of the water to the clouds overhead. It appears to have an eye at the center, similar to that seen in a hurricane. A swirling ring of sea spray called a cascade forms around the dark spot. Light and dark bands spiral out from the dark spot. The surface of the water takes on a dark appearance where the vortex, or column of rotating wind, reaches it. There are five stages of waterspout formation: 1. Waterspouts are most common in tropical and subtropical waters, such as the Florida Keys, the islands of Greece, and off the east coast of Australia. What does SPOUT mean as an abbreviation 5 popular meanings of SPOUT abbreviation: 13 Categories.
Spout meaning full#
See full entry for spout Collins COBUILD Advanced Learner’s Dictionary. Both tornadic and fair-weather waterspouts require high levels of humidity and a relatively warm water temperature compared to the overlying air. Definition of spout spout (spat ) verb If something spouts liquid or fire, or if liquid or fire spout out of something, it comes out very quickly with a lot of force. Fair-weather waterspouts are associated with developing storm systems, but not storms themselves. Lorsque la fontaine était ouverte, un jet deau sortait. spout n (jet of water) (deau) jet nm : When the fountain was turned on a spout of water burst out. Le jet de la baleine sélevait haut dans les airs. The clouds from which they descend are not fast-moving, so fair-weather waterspouts are often static. spout n (vapour from whales blowhole) (dune baleine) jet nm : The whales spout rose high into the air.
Fair-weather waterspouts are rarely dangerous. Fair-weather waterspouts, however, are much more common. Tornadic waterspouts are the most powerful and destructive type of waterspout. Influenced by winds associated with severe thunderstorms, air rises and rotates on a vertical axis. Tornadic waterspouts get their start as true tornadoes. There are two major types of waterspouts: tornadic waterspouts and fair-weather waterspouts. The water inside a waterspout is formed by condensation in the cloud. A waterspout descends from a cumulus cloud. Despite its name, a waterspout is not filled with water from the ocean or lake. A waterspout is a column of cloud-filled wind rotating over a body of water.
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