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Tropical storms are one of Arizona's main sources of rainfall, as they infuse the monsoon over the southwestern United States with moisture, producing large-scale floods in occasions. [5] However, all of the storms that have impacted Arizona have formed in the latter parts of the Pacific hurricane season , and only storm remnants have affected ...
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]
In August 2006, Typhoon Saomai became the strongest typhoon on record to strike China, with a central pressure of 920 mbar (27 inHg) and winds of 215 km/h (134 mph) at its landfall in Zhejiang. It produced wind gusts of 293 km/h (182 mph) in Wenzhou. The typhoon killed 456 people and left more than US$4.2 billion in damage. [131]
In the Atlantic and Eastern Pacific oceans, the word “hurricane” is used, the Western North Pacific calling the system’s “typhoons,” and the western South Pacific and Indian oceans deem ...
Occluded fronts form late in the cyclone life cycle near the center of the cyclone and often wrap around the storm center. Tropical cyclogenesis describes the process of development of tropical cyclones. Tropical cyclones form due to latent heat driven by significant thunderstorm activity, and are warm core.
About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. A quick guide to how they are measured. Earthquakes happen all the time, you just can't ...
Note that typhoons, etc. are asymmetrical, and semicircle is a convenient misnomer. Mariners have a way to safely navigate around tropical cyclones. They split tropical cyclones in two, based on their direction of motion, and maneuver to avoid the right segment of the cyclone in the Northern Hemisphere (the left segment in the Southern Hemisphere).