Cyclone - Wikipedia
The term "cyclone" refers to the storms' cyclonic nature, with counterclockwise rotation in the Northern Hemisphere and clockwise rotation in the Southern Hemisphere. [46] Depending on their location and strength, tropical cyclones are referred to by other names, such as hurricane , typhoon , tropical storm , cyclonic storm , tropical ...
Tropical cyclone - Wikipedia
Depending on its location and strength, a tropical cyclone is referred to by different names, including hurricane, typhoon, tropical storm, cyclonic storm, tropical depression, or simply cyclone. A hurricane is a strong tropical cyclone that occurs in the Atlantic Ocean or northeastern Pacific Ocean , and a typhoon occurs in the northwestern ...
Tropical cyclone | Definition, Causes, Formation, and Effects ...
4 天之前 · A tropical cyclone is an intense circular storm that originates over warm tropical oceans. It is also called a hurricane or a typhoon. It is characterized by low atmospheric pressure and heavy rain, and its winds exceed 119 km (74 miles) per hour.
Hurricanes, Cyclones, and Typhoons Explained - Education
2023年10月19日 · Called hurricanes when they develop over the North Atlantic, central North Pacific, and eastern North Pacific, these rotating storms are known as cyclones when they form over the South Pacific and Indian Ocean, and typhoons when they develop in …
Tropical cyclone - Formation, Paths, Impacts | Britannica
2024年12月5日 · Storms showing counter-clockwise rotation with wind speeds up to 38 km (23.6 miles) per hour are classified as a tropical depressions. If the circulation continues to intensify and the wind speeds exceed 63 km (39 miles) per hour, then the system is called a tropical storm.
Tropical Cyclone Classification | National Oceanic and ...
2023年10月19日 · Once the tropical cyclone reaches winds of at least 39 mph (63 km/h), they are typically called a "tropical storm" and assigned a name. If maximum sustained winds reach 74 mph (119 km/h), the cyclone is called: A hurricane in the North Atlantic Ocean, the Northeast Pacific Ocean east of the dateline, and the South Pacific Ocean east of 160°E ...
Tropical Cyclone Introduction | National Oceanic and ...
2003年9月15日 · Tropical cyclones occur from April to December, with a double peak of activity in May and November. The severe cyclonic storms (>74 mph / 119 km/h winds) occur almost exclusively from April to June and again in late September to early December. Southwest Indian basin (From Africa to about 100°E)
Tropical cyclone - World Meteorological Organization
2024年7月2日 · A tropical cyclone is a rapidly rotating storm that begins over tropical oceans, and they can vary in speed, size, and intensity. Tropical cyclones are the second-most dangerous natural hazards, after earthquakes.
Tropical Cyclone Climatology - National Hurricane Center
2024年11月5日 · A tropical cyclone is a rotating, organized system of clouds and thunderstorms that originates over tropical or subtropical waters and has a closed low-level circulation. Tropical cyclones rotate counterclockwise in the Northern Hemisphere.
Characteristics of tropical cyclones
A tropical cyclone is a rapidly rotating storm that begins over tropical or subtropical oceans, with very violent winds and torrential rain; sometimes accompanied by thunderstorms.