Portal:Tropical cyclones

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Tropical cyclones Portal

Shortcut: P:TC

In meteorology, a tropical cyclone (also referred to as a hurricane, typhoon, tropical storm, cyclonic storm, tropical depression, and simply cyclone depending on strength and geographical context) is a storm system characterized by a low pressure center and numerous thunderstorms which generally forms in the tropics. While they can be highly destructive, tropical cyclones are an important part of the atmospheric circulation system, which moves heat from the equatorial region toward the higher latitudes. They develop over large bodies of warm water, and lose their strength if they move over land. This is the reason coastal regions can receive significant damage from a tropical cyclone, while inland regions are relatively safe from receiving strong winds.

Pictured: Cyclone Gafilo

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Selected article

Cyclone Tracy was a tropical cyclone that devastated Darwin, Australia, from December 24 to December 25, 1974. It was recorded by The Age as being a "disaster of the first magnitude...without parallel in Australia's history." It killed 71 people - the official death toll was revised upwards from 65 to 71 in March 2005 - and destroyed over 70 percent of Darwin's buildings, leaving over 20,000 people homeless. Most of Darwin's population was evacuated to Adelaide, Whyalla, Alice Springs and Sydney, and many never returned to Darwin. The town was subsequently rebuilt with modern materials and techniques. Cyclone Tracy was at least a Category 4 storm, although there is evidence to suggest that it had reached Category 5 when it made landfall at Darwin.

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Selected picture

The map of global tropical cyclone tracks from 1985 to 2005 includes hundreds of systems that affected over a dozen countries. This picture was made using NASA imagery and data from various meteorological agencies.

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WikiProjects

WikiProject Tropical cyclones is the central point of coordination for Wikipedia's coverage of tropical cyclones. Feel free to help!

WikiProject Meteorology is the main center point of coordination for Wikipedia's coverage of meteorology in general.

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Related Portals

Science	Earth sciences	Weather

Atmospheric sciences	Energy	Physics

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Active tropical cyclones

North Atlantic (2009)

No active systems.

East/Central Pacific (2009)

No active systems.

Northwest Pacific (2009)

Typhoon Nida

North Indian Ocean (2009)

No active systems.

South-West Indian Ocean (2009–2010)

No active systems.

Australian region (2009–2010)

No active systems.

South Pacific (2009–2010)

No active systems.

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Did you know...

... that RSMC Nadi only started to assign the letter F to disturbances in their area of responsibility at the start of the 1998-99 South Pacific cyclone season.
... that Tropical Storm Hazel in 1965 was a deadly Pacific tropical storm only 11 years after the deadly Hurricane Hazel in the Atlantic.
... that Hurricane Olivia was named when it was a depression?
... that Hurricane Irene–Olivia was the first recorded tropical cyclone that moved into the eastern Pacific Ocean from the Atlantic basin?

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Tropical cyclone anniversaries

December 1, 1960 - Typhoon Ophelia reached its peak with 250 km/h (155 mph) winds just after passing over the Carolina Islands. Many of the islands were severely flooded.
November 30, 2006 - Typhoon Durian (pictured) makes several landfalls in the central Philippines, killing over 720 people and causing over $100 million in damage. Durian made landfall in Vietnam a week later, killing 80 and causing an additional $400 million in damage.
November 29, 2004 - Cyclone Agni (pictured) reached its peak strength in the Arabian Sea and was named by the India Meteorological Department. The previous day the storm was very close to the equator, with part of its circulation in both hemispheres.
November 28, 2005 - Tropical Storm Delta became extratropical as it passed to the north of the Canary Islands. It was responsible for more than $350 million of damage in the islands.
November 27, 1982 - Typhoon Pamela briefly peaked as a 185 km/h (115 mph) typhoon as it passed through the Marshall Islands. Pamela caused damage throughout several Pacific Islands.