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Hurricane Catarina was an extraordinarily rare hurricane-strength tropical cyclone, forming in the southern Atlantic Ocean in March 2004. [13] Just after becoming a hurricane, it hit the southern coast of Brazil in the state of Santa Catarina on the evening of 28 March, with winds up to 140 kilometres per hour (87 mph) making it a Category 1 ...
The direction of wind flow around an atmospheric high-pressure area and a low-pressure area, as seen from above, depends on the hemisphere.High-pressure systems rotate clockwise in the northern Hemisphere; low-pressure systems rotate clockwise in the southern hemisphere.
A hurricane is a strong tropical cyclone that occurs in the Atlantic Ocean or northeastern Pacific Ocean, and a typhoon occurs in the northwestern Pacific Ocean. In the Indian Ocean and South Pacific, comparable storms are referred to as "tropical cyclones", and such storms in the Indian Ocean can also be called "severe cyclonic storms".
To put it in perspective, picture yourself standing on the equator, directly south of New York City. In fact, in the United States, this is the one city that has the highest hurricane risk.
Winds circle anti-clockwise around lows in the northern hemisphere, and clockwise in the southern hemisphere, due to opposing Coriolis forces. Low-pressure systems form under areas of wind divergence that occur in the upper levels of the atmosphere (aloft). The formation process of a low-pressure area is known as cyclogenesis.
The water warms as it crosses the world’s biggest ocean, which is why typhoons — the name for a hurricane in the western Pacific — occur in the western Pacific but not in the eastern pacific.
They form over low pressure systems. In the North Atlantic and the Eastern Pacific, the term "hurricane" is used, whereas "typhoon" is used in the Western Pacific near Asia. The more general term "cyclone" is used in the rest of the ocean basins, namely the South Pacific and Indian Ocean. [1] Tropical cyclones can be categorized by intensity.
The Central Pacific Hurricane Center's area of responsibility (AOR) begins at the boundary with the National Hurricane Center's AOR (at 140 °W), and ends at the International Date Line, where the Northwestern Pacific begins. [14] The hurricane season in the North Central Pacific runs annually from June 1 to November 30; [15] The Central ...