Beautiful weather phenomena2/17/2024 ![]() Its name comes from the Dutch words malen (to whirl or grind) and strom (stream). Fair weather waterspouts form in light wind conditions so they normally move very little.Ī maelstrom is a strong whirlpool that forms when opposing currents meet to form swirling water. While tornadic waterspouts develop downward in a thunderstorm, a fair weather waterspout develops on the surface of the water and works its way upward. The tornadic variety are more dangerous than fair weather waterspouts, which generally are not associated with thunderstorms, and usually form along the dark flat base of a line of developing cumulus clouds. They are associated with severe thunderstorms and are often accompanied by high winds and seas, large hail, and dangerous lightning. Tornadic waterspouts are tornadoes that form over water, or move from land to water. Waterspouts fall into two categories: fair weather and tornadic. Semi-enclosed water bodies like harbors, inlets, and bays can greatly intensify a meteotsunami.Ī waterspout is a spinning column of air and mist that forms on lakes, rivers, and at sea. ![]() Like an earthquake-generated tsunami, a meteotsunami affects the entire water column and may become dangerous when it hits shallow water, which causes it to slow down and increase in height and intensity. Development of a meteotsunami depends on several factors, such as the intensity, direction, and speed of the air pressure as it travels over a waterbody. These disturbances can generate waves in the ocean that travel at the same speed as the overhead weather system. Meteotsunami Meteotsunamis have characteristics similar to earthquake-generated tsunamis, but they are caused by air-pressure disturbances often associated with fast-moving weather systems, such as squall lines. When conditions are just right in late spring or early summer, the condensation from warm air merging with cool ocean water can create this dramatic effect.ģ. Erasmus of Formia, one of the two patron saints of sailors.Īt first glance, this jarring sight looks like a giant tsunami rolling in from the ocean, but it’s actually a massive amount of fog. When a sharp object (such as a ship’s mast) comes in contact with an extraordinarily high electrical field and a large number of electrons, the electrons can glow in various colors, like a neon sign, resulting in this rare phenomenon. Elmo's Fire is a colorful discharge of atmospheric electricity that typically occurs during a thunderstorm. The five events described below are just a few of them. But strange things happen in the ocean as a result of weather and currents. The ocean may conjure images of beautiful waves, shipwrecks, and marine life.
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