In meteorology, a cyclone (/ ˈsaɪ.kloʊn /) is a large air mass that rotates around a strong center of low atmospheric pressure, counterclockwise in the Northern Hemisphere and clockwise in the Southern …

Apr 3, 2026 · Tropical cyclone, an intense circular storm that originates over warm tropical oceans and is characterized by low atmospheric pressure, high winds, and heavy rain. Also called typhoons and …

May 30, 2025 · weather system that rotates around a center of low pressure and includes thunderstorms and rain. Usually, hurricanes refer to cyclones that form over the Atlantic Ocean.

Mar 26, 2026 · Learn how cyclones form, what makes them spin, and why storm surge is often their deadliest threat — plus the difference between tropical and non-tropical cyclones.

Feb 24, 2025 · A tropical cyclone is a warm-core low pressure system, without any front attached, that develops over the tropical or subtropical waters and has an organized circulation. These include …

2 days ago · Explore tropical cyclone data, satellite imagery, and forecasts provided by the U.S. Naval Research Laboratory's Tropical Cyclone Web.

A storm surge watch is defined as the possibility of life-threatening inundation from a tropical cyclone, generally within 48 hours. A storm surge warning is defined as the danger of life-threatening …

Mar 13, 2026 · Tropical cyclones are also called hurricanes or typhoons, depending on the region.A tropical cyclone is a rapidly rotating storm that begins over tropical oceans, and they can vary in …

4 days ago · NASA’s Earth satellites collect data on factors such as precipitation, ocean conditions, and flooding that help predict and manage tropical cyclones.

May 4, 2026 · The meaning of CYCLONE is a storm or system of winds that rotates about a center of low atmospheric pressure, advances at a speed of 20 to 30 miles (about 30 to 50 kilometers) an …