Facts at a Glance: Cyclone, typhoon, hurricane

➖ Hurricanes need two main ingredients — warm ocean water and moist, humid air. When warm seawater evaporates, its heat energy is transferred to the atmosphere. This fuels the storm’s winds to strengthen. Without it, hurricanes can’t intensify and will fizzle out.

➖ While technically the same phenomenon, these big storms get different names depending on where and how they were formed.

➖ Storms that form over the Atlantic Ocean or central and eastern North Pacific are called “hurricanes” when their wind speeds reach at least 74 miles per hour (119 kilometers per hour). Up to that point, they’re known as “tropical storms.”

➖ In East Asia, violent, swirling storms that form over the Northwest Pacific are called “typhoons”, while “cyclones” emerge over the Indian Ocean and South Pacific.

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