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Tropical cyclones out at sea cause large waves, heavy rain, flood and high winds, disrupting international shipping and, at times, causing shipwrecks. [1] On land, strong winds can damage or destroy vehicles, buildings, bridges, and other outside objects, turning loose debris into deadly flying projectiles.
Green typhoon alert Tropical cyclones will be within 24 hours or are affecting the area, with an average wind level of strong winds (6-7) (41-62 km/h). Yellow typhoon alert Tropical cyclones will be within 12 hours or are affecting the area, with an average winds level of strong gale (8-9) (63-87 km/h). Red typhoon alert
These classifications are Tropical Depression, Tropical Storm, Typhoon, and Super Typhoon. [18] The United States' Joint Typhoon Warning Center (JTWC) unofficially classifies typhoons with wind speeds of at least 130 knots (150 mph; 240 km/h)—the equivalent of a strong Category 4 storm on the Saffir–Simpson scale—as super typhoons. [19]
The United States' Joint Typhoon Warning Center (JTWC) unofficially classifies typhoons with wind speeds of at least 130 knots (150 mph; 240 km/h)—the equivalent of a strong Category 4 storm on the Saffir–Simpson scale—as super typhoons. [6] Tropical cyclogenesis in the West Pacific commences over the summer monsoon trough.
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 ...
In the Atlantic and the northeastern Pacific oceans, a tropical cyclone is generally referred to as a hurricane (from the name of the ancient Central American deity of wind, Huracan), in the Indian and south Pacific oceans it is called a cyclone, and in the northwestern Pacific it is called a typhoon. [15]
Depictions of Typhoon Tip and Cyclone Tracy (one of the smallest tropical cyclones ever recorded) superimposed on a map of the United States. Typhoon Tip was the largest tropical cyclone on record, with a diameter of 1,380 mi (2,220 km)—almost double the previous record of 700 mi (1,130 km) in diameter set by Typhoon Marge in August 1951.
Typhoon Kammuri, known in the Philippines as Typhoon Tisoy, was a powerful typhoon which impacted the Philippines in early December 2019. Kammuri, which means crown or Corona Borealis in Japanese, the twenty-eighth named storm and sixteenth typhoon of the 2019 Pacific typhoon season, Kammuri developed from a tropical wave situated a couple hundred kilometers south of the Mariana Islands.