the mixture of air and water thrown up from the blowhole of a whale. Helicopters flying near waterspouts can be damaged and thrown off-course by such intense winds. a tube or lip through which liquid is poured or discharged. Waterspouts not only put swimmers and boaters at risk, they also pose a threat to aircraft. Peter lost his job so that was our holiday plans up the spout. The National Weather Service recognizes the dangers posed by waterspouts as part of its "severe local storm" warning list. Meaning of up the spout in English up the spout idiom UK informal Add to word list wasted, spoiled, or not working correctly: He said the decision meant that nearly 3m of shareholders ' money was up the spout. 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. to emit or discharge forcibly (a liquid, granulated substance, etc.) in a stream or jet. There are five stages of waterspout formation: 1. (of a whale, etc) to discharge air through the blowhole, so that it forms a spray at the surface of the water. 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. to discharge (a liquid) in a continuous jet or in spurts, esp through a narrow gap or under pressure, or (of a liquid) to gush thus. Both tornadic and fair-weather waterspouts require high levels of humidity and a relatively warm water temperature compared to the overlying air. Fair-weather waterspouts are associated with developing storm systems, but not storms themselves. The clouds from which they descend are not fast-moving, so fair-weather waterspouts are often static. 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. What does spout mean Information and translations of spout in the most comprehensive dictionary definitions resource on the web. 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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