cyclone
C2Pronunciation
UK
- /sˈaɪkləʊn/
US
- /sɪˈkloʊn/
Description
- spinning storm
- rotating storm system
- low-pressure system
- spiral winds
Imagine the most powerful washing machine you can—that's kind of like a cyclone! In everyday talk, a cyclone is a big rotating storm. In weather science, the word can mean any large low-pressure system with winds turning around the center, but the news often uses it for the dangerous tropical storms that form over warm ocean water. These storms can bring fierce winds and heavy rain.
Different parts of the world use different names for the same kind of tropical storm: hurricanes in the Atlantic, typhoons in the Pacific, and cyclones in the Indian Ocean and South Pacific. You will often hear about "cyclone preparedness" before one of these systems reaches a coastal area.
Think of it like this: if you stir your coffee very fast, you create a little whirlpool. A cyclone is essentially that, but on a massive, atmospheric scale! While their power can be devastating, understanding how they form helps scientists predict their paths and warn people in danger.
A cyclone is a rotating weather system with low atmospheric pressure at its center and winds that spiral inward. In meteorology, the word is broad: it can describe many kinds of large low-pressure storms, from the huge systems that shape mid-latitude weather to the intense tropical storms that form over oceans. In everyday news, however, "cyclone" most often points to the tropical kind.
Tropical cyclones form over warm tropical or subtropical waters, fueled by heat and moisture rising from the ocean surface. As air rushes toward the low-pressure core, it is deflected by the Earth's rotation—a phenomenon known as the Coriolis effect—causing the storm to spin and creating the familiar swirling pattern visible from space.
The term "cyclone" is a general meteorological descriptor; however, names vary by region. In the North Atlantic and Northeast Pacific, they are called hurricanes; in the Northwest Pacific, they are known as typhoons; and in the South Pacific and Indian Ocean, they are referred to as cyclones. Despite the regional terminology, they all represent the same physical phenomenon.
When people talk about tropical cyclones, they are often categorized by sustained wind speed, ranging from tropical depressions to severe storms. They can bring torrential rainfall, destructive winds, and storm surges—a rapid rise in sea level that can cause widespread coastal flooding. Historically, sailors feared these storms, often losing ships to their unpredictable fury. Today, advancements in meteorology allow scientists to track cyclones with satellite imagery and issue life-saving warnings. From the swirling clouds on a weather map to urgent alerts on a phone, cyclones remain one of nature's most powerful reminders of the atmosphere's immense force.
Examples
- 1
Weather forecast
A severe cyclone is expected to reach the coast by Friday.
- 2
Storm aftermath
The town was still without electricity two days after the cyclone.
- 3
Official warning
The weather service issued a cyclone warning for the islands.
- 4
Regional naming
In that part of the world, the same kind of storm is called a cyclone rather than a hurricane.
Forms and spellings
2 forms open this card.
Main spelling
- cyclonenoun
Forms
- cyclonespluralnoun