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This is due to increasing Coriolis force closer to the poles, and which is zero at the equator. [2] [3] [4] One associated phenomenon often seen with low-latitude cyclones is the equatorial westerly wind burst, which allows for sufficient shear vorticity on both sides of the equator to support tropical cyclogenesis. [5]
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Tropical cyclone observation has been carried out over the past couple of centuries in various ways. The passage of typhoons, hurricanes, as well as other tropical cyclones have been detected by word of mouth from sailors recently coming to port or by radio transmissions from ships at sea, from sediment deposits in near shore estuaries, to the wiping out of cities near the coastline.
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.
Some days later it split into two, with the southern half crossing into the Pacific, where it developed into Hurricane Lorena. [16] Later in the same month, Tropical Depression Nine degenerated into a tropical wave in the Atlantic, where it continued travelling westwards, crossing into the Pacific, where it developed into Hurricane Octave. [17]
A hurricane is a sort of atmospheric engine, spinning about its axis—counterclockwise north of the equator, clockwise south of the equator—thanks to the Coriolis effect, which is caused by the ...
The set up of extremely warm ocean temperatures in the Atlantic's main storm development region, with a pattern of cooler sea surface temperatures near the equator, may have helped push the ...
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 195 kilometres per hour (121 mph) making it a Category 2 ...