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Tropical Cyclones Portal

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Typhoon tip peak.jpg

A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rainfall. Tropical cyclones feed on the heat released when moist air rises, resulting in condensation of water vapor contained in the moist air. They are fuelled by a different heat mechanism than other cyclonic windstorms such as nor'easters, European windstorms, and polar lows, leading to their classification as 'warm core' storm systems. Tropical cyclones originate in the doldrums near the Equator, approximately 10 degrees away.

The term 'tropical' refers to both the geographic origin of these systems, which form almost exclusively in tropical regions of the globe, and their formation in maritime tropical air masses. The term 'cyclone' refers to such storms' cyclonic nature, with anticlockwise rotation in the Northern Hemisphere and clockwise rotation in the Southern Hemisphere. Depending on its location and intensity, a tropical cyclone can be referred to by names such as 'hurricane', 'typhoon', 'tropical storm', 'cyclonic storm', 'tropical depression', or simply 'cyclone'.

Pictured: Typhoon Tip

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Selected article

Satellite Image of Hurricane Floyd.

Hurricane Floyd was the sixth named storm, fourth hurricane, and third major hurricane in the 1999 Atlantic hurricane season. A Cape Verde-type hurricane, it struck the Bahamas and paralleled the coastline of the Eastern United States, making landfall in North Carolina as a Category 2 hurricane. The hurricane produced torrential rainfall in the state, adding more rain to an area hit by Hurricane Dennis just weeks earlier. Floyd was responsible for 57 fatalities and $5.13 billion in damage (2005 USD).

Recently featured: 1928 Okeechobee HurricaneHurricane IvanGalveston Hurricane of 1900Browse

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Selected picture

Four Southern Hemisphere Tropical Cyclones (2003).jpg

A train of four tropical cyclones is lined up in the southern Indian Ocean east of Madagascar (left) on February 12, 2003. This true-color image of the storms was made from observations collected by alternating passes of the Aqua and Terra satellites. The cyclones pictured are (west to east) Gerry, Hape, 18S, and Fiona of the 2003 Southwest Indian cyclone season. Terra satellite passed over this area in the morning, moving east to west, and contributing the first and third chunks of the image (from right to left). Aqua satellite passed over in the afternoon, also moving east to west, contributing the second and fourth chunks.


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Related 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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Currently active tropical cyclones

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Did you know…

Tracks of Atlantic-Pacific crossover storms.png
Hurricane Ida in the Yucatan Channel November 8 2009.jpg
Tropical Cyclone Agni 05A 2004.jpg
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Tropical cyclone anniversaries

Hurricane Mitch 1998 oct 26 2028Z.jpg
Unnamed Hurricane 01 nov 1991 1906Z.jpg
Hattie 1961 track.png
Noel 02 nov 2007 0015Z.jpg



Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Portal:Tropical_cyclones — Please support Wikipedia.
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Cato Institute (blog)
Fri, 24 Oct 2014 12:07:30 -0700

Severe hurricanes, or tropical cyclones as they are known by those living outside the United States, are the most intense storms on the planet. Given the amount of damage they can inflict, it's no wonder that they often are the poster children for the ...
 
Times of India
Wed, 15 Oct 2014 11:22:27 -0700

"All tropical cyclones are given names only to provide easy communication between forecasters and the general public regarding forecasts, cyclone watches and warnings. Since the storms can often last a week or longer and more than one can be occurring ...

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Tue, 14 Oct 2014 23:53:58 -0700

New Zealand and some of its neighbours have been put on alert for a higher than usual chance of tropical cyclones striking this summer. Peak tropical cyclone season is usually from January to March. Forecasting agencies in the South Pacific said for ...
 
University of Wisconsin-Madison
Fri, 03 Oct 2014 07:49:05 -0700

The AMS cited the CIMSS Tropical Cyclones Group for "providing the weather community with valuable tropical cyclone-related satellite information and derived products for over two decades," stating that the award is "a reflection of [their] commitment ...

Mongabay.com

Mongabay.com
Wed, 24 Sep 2014 11:45:00 -0700

"The poleward migration of the tropical cyclones was something we stumbled on..." Kosin said. "We kept seeing a trend that we couldn't explain unless the storms themselves were migrating away from the deep tropics. This did surprise us at first, but ...

Times of Oman

DAWN.com
Tue, 28 Oct 2014 18:34:44 -0700

The WMO website says tropical cyclones/hurricanes are named neither after any particular person, nor with any preference in alphabetical sequence. The tropical cyclone/hurricane names selected are those that are familiar to the people in each region.

Guardian Liberty Voice

Guardian Liberty Voice
Wed, 15 Oct 2014 23:52:53 -0700

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NEWS.com.au

NEWS.com.au
Sun, 12 Oct 2014 20:28:51 -0700

The main reason behind the forecast is El Nino-like weather patterns resulting in cooler ocean temperatures, which often lead to fewer tropical cyclones. Still, Dr Watkins said people can't be complacent. In past El Niño years, there has been at least ...
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