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A second type of subtropical cyclone is a mesoscale low originating in or near a frontolyzing zone of horizontal wind shear, also known as a "dying" frontal zone, with radius of maximum sustained winds generally less than 50 kilometers (31 mi). The entire circulation may initially have a diameter of less than 160 kilometers (99 mi).
The Azores High also known as North Atlantic (Subtropical) High/Anticyclone or the Bermuda-Azores High, is a large subtropical semi-permanent centre of high atmospheric pressure typically found south of the Azores in the Atlantic Ocean, at the Horse latitudes. It forms one pole of the North Atlantic oscillation, the other being the Icelandic ...
155 km/h (100 mph) (1-min); 972 hPa (mbar) 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 ...
Several others had three tropical cyclones, of which only 2003 had three tropical storms. The 1908 and 1951 seasons were the only ones with two hurricanes forming in the off-season. In eight seasons, there were storms both prior to the start of the season as well as after the season ended, those being 1887, 1911, 1951, 1953, 1954, 1970, 2003 ...
Cyclone vs hurricane. Cyclone, hurricane and typhoon are all the same type of storm — a swirling mass of clouds and wind powered by warm ocean water. The difference is just their location ...
The South Pacific High is a semi-permanent subtropical anticyclone located in the southeast Pacific Ocean. The area of high atmospheric pressure and the presence of the Humboldt Current in the underlying ocean make the west coast of Peru and northern Chile extremely arid. The Sechura and Atacama deserts, as the whole climate of Chile, are ...
The 2021–22 South-West Indian Ocean cyclone season featured the record latest start for the first system to develop. Despite the late start, it was an above-average season that produced 12 named storms, with five becoming tropical cyclones. The season began on 15 November 2021, and ended on 30 April 2022, with the exception for Mauritius and ...
Subtropical Storm Ubá. Subtropical Storm Ubá was the fourth tropical or subtropical cyclone to form in the South Atlantic Ocean in 2021. [1] Ubá originated from an area of low pressure that formed off the coast of Rio de Janeiro and evolved into a subtropical cyclone on 10 December. The cyclone lingered for two days, before weakening back to ...