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Since 2009 the Hong Kong Observatory has divided typhoons into three different classifications: typhoon, severe typhoon and super typhoon. [20] A typhoon has wind speed of 64–79 knots (73–91 mph; 118–149 km/h), a severe typhoon has winds of at least 80 knots (92 mph; 150 km/h), and a super typhoon has winds of at least 100 knots (120 mph ...
A tropical cyclone is the generic term for a warm-cored, non-frontal synoptic-scale low-pressure system over tropical or subtropical waters around the world. [4] [5] The systems generally have a well-defined center which is surrounded by deep atmospheric convection and a closed wind circulation at the surface. [4]
A very strong typhoon has wind speeds between 85–104 kn (44–54 m/s; 98–120 mph; 157–193 km/h), while a violent typhoon has wind speeds of 105 kn (54 m/s; 121 mph; 194 km/h) or greater. [8] The HKO, SMG and the CMA also divide the typhoon category into three categories, with both assigning a maximum wind speed of 80 kn (41 m/s; 92 mph ...
Between 1979 and 2016, typhoons increased in duration by two to nine hours and penetrated 30 to 190 kilometers farther inland, the researchers found. The study was published in the journal ...
Each year, three to four typhoons hit the island of Taiwan. In 2020, no storms struck the island, marking the first typhoon-free year in Taiwan in more than 50 years. [146] In summer and fall, tropical cyclones typically produce 43.5% of the island's rainfall. [147]
On December 17, 1944, 80 years ago today, the U.S. Navy's Third Fleet Fast Carrier Task Force was in a refueling operation several hundred miles east of the Philippines, in one of the world's most ...
In the western Pacific Ocean, there have been 4,648 tropical cyclones, including at least 1,485 typhoons; the storms collectively killed more than 1.4 million people. In the North Indian Ocean, there have been at least 1,551 tropical cyclones, including 262 that attained the equivalent of hurricane status; the storms collectively killed over 1 ...
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