Such wind systems, known as tropical cyclones, are much smaller in diameter. Resembling large whirlpools, they are made up of rotating, moist air, with wind speeds that can reach over 120 km/h. Tropical cyclones are formed only over warm ocean waters near the equator. Tropical cyclone, typhoon or hurricane. There is more to their mechanics than that though. When the air rises up and away from the ocean surface, it creates an area of lower air pressure below. The strength of a cyclone is expressed in categories. A tropical cyclone is one of the Earth's strongest forces, a combination of strong, howling winds and heavy precipitation. Tropical Cyclones are basically large scale low pressure systems. The term "tropical cyclone" is a summary term. While meteorological agencies give advisories … How do these forces of nature form? Sea pockets, where cyclones form, are also places that drive schools of fish and lure fisherfolk. The table below outlines the seven basic tropical cyclone “basins,” the times of year when each basin is active, and the names given to the strongest tropical cyclone. Cyclones that form closer to the Equator (i.e., at latitudes 10° to 25° north and south over the oceans) differ somewhat in character from the extratropical variety. In various places tropical cyclones have other local names such as "hurricane" and "typhoon". Tropical cyclone, an intense circular storm that originates over warm tropical oceans and is characterized by low atmospheric pressure, high winds, and heavy rain. When and where tropical cyclones form. Tropical cyclones are immensely powerful and can travel up to speeds of 65 km/h. The word hurricane is also used for those that form in the eastern, central and northern Pacific. A mid-latitude cyclone is a weather system that consists of a low pressure cell with winds circulating in a counter-clockwise direction (in the northern hemisphere, opposite in the southern) around the center. A tropical cyclone that forms in the Atlantic Ocean is called a hurricane. People call these storms by other names, such as typhoons or cyclones, depending on where they occur. When warm, moist air over the ocean rises upward from near the surface, a cyclone is formed. Hurricanes are the most awesome, violent storms on Earth. If a cyclone does form, it will feed off all that heat and moisture and spiral into one of the most powerful natural events on the planet. What are Tropical Cyclones and how do they form? Whatever they are called, tropical cyclones all form the same way.This website, presented by NASA’s Global Precipitation Measurement (GPM) mission, provides students and educators with resources to learn about Earth’s How do cyclones form? Cyclones form with a combination of very warm sea surface temperatures and the right type of outflow. Also called typhoons and hurricanes, cyclones strike regions as far apart as the Gulf Coast of North America, northwestern Australia, and eastern India.