Weather of Arabia - The water tower or the water column (Waterspout) is known as a column of air mixed with water spray that rotates as a vortex in the form of a vertical cloud block over a body of water (ocean or lake), and the water tower usually appears in the form of a funnel that connects the surface of the water and the clouds.
Water high rise is a natural phenomenon that often forms when cold air passes over warm water. Warm, moist air rises and water vapor condenses with the height of the air column. With horizontal shear winds, a rotational movement of air arises, and a rotating funnel appears in the form of a vertical cloud block above the surface of the water.
The formation of a water tower requires high levels of humidity and a water temperature that is relatively warm compared to the air above it.
The phenomenon of water towering or water column is more common in spring and autumn, when the disparity between air and water temperature is large, which provides the appropriate environment for its emergence.
The phenomenon of water heights occurs mostly in tropical and subtropical waters, such as the Florida Keys and the islands of Greece and off the east coast of Australia.
The water tower phenomenon was monitored on the coasts of Saudi Arabia, the Sultanate of Oman, and the coasts of the Emirates, where it was seen on the coasts of ( Emirate of Fujairah ) last winter, and its effects were local, simple, and characterized by slow movement with a wind speed of 90 km / h.
The water tower also appears on the coasts of the Levant (the coasts of Palestine, Lebanon and Syria), and it is sometimes called the “water dragon” or “the sea dragon.” The “sea dragon” was seen on the coasts of the Lebanese city of Tripoli in May 2022 (the video below). Some citizens indicated that some stalls spread on the port’s corniche had been damaged.
There are two main types of algae, which differ slightly from each other in the method of formation and properties, namely:
1. Tornadic Waterspouts
They are hurricanes that form over water, or move from land to water, and have the same characteristics as a land hurricane. It is associated with severe thunderstorms, often accompanied by strong winds, large hail, and frequent dangerous lightning, so cyclonic meteors are the strongest and most destructive types of meteors.
2. Fair weather waterspouts
Temperate meteor showers are more common, and they usually form along the flat base of cumulus clouds, so that they develop on the surface of the water and make their way upwards. They are rarely dangerous, and are mostly stationary, but can move toward shore and cause damage, but moderate-weather meteors usually dissipate quickly when they make landfall, and rarely penetrate far inland.
Water towers reach the stage of Decay. When the flow of warm air into the vortex weakens and the water column collapses, the average life span of a water tower is only 5 to 15 minutes, and large water towers may last for specific hours.
The average diameter of the crater is about 20 - 50 m (165 ft), and the largest may be 100 m (330 ft) in diameter, and the spur usually travels at a speed of 15 - 25 km/h, and the wind speed may exceed Its rotation is 90 km/h, which corresponds to the weakest type of hurricane on Earth.
There are many forms of the water column in several forms that depend on different sizes, groups, speeds and different time periods. They are formed singly or in groups of two or more.
The water tower moves within a certain path, and fishermen can see it from a distance of two kilometers and they must move away from it more than 3 kilometers, making an angle of 90 degrees with its path.
Waterspouts pose not only a threat to swimmers and boaters, but also to aircraft. Helicopters flying too close to high-rises can be damaged and derailed by high winds.
And if the water towers move to coastal areas and ports, they can cause great damage and injury to people, some of which are dangerous as tornadoes, but some of them dissipate quickly when they reach land.
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