Portal:Tropical cyclones

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Tropical cyclones Portal

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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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Hurricane Katrina was the costliest and one of the deadliest hurricanes in the history of the United States. It was the eleventh named storm, fifth hurricane, third major hurricane, and second Category 5 hurricane of the 2005 Atlantic hurricane season, and was the sixth-strongest Atlantic hurricane ever recorded.

Katrina formed over the Bahamas on August 23, 2005, and crossed southern Florida as a moderate Category 1 hurricane before strengthening rapidly in the Gulf of Mexico and becoming one of the strongest hurricanes ever recorded in the Gulf. The storm weakened considerably before making its second landfall as a Category 3 storm on the morning of August 29 in southeast Louisiana.

It is possible that Katrina was the largest hurricane of its strength to approach the United States in recorded history; its sheer size caused devastation over 100 miles from the center. The storm surge caused major or catastrophic damage along the coastlines of Louisiana, Mississippi, and Alabama, including the cities of Mobile, Alabama, Biloxi and Gulfport, Mississippi, and Slidell, Louisiana. Levees separating Lake Pontchartrain from New Orleans, Louisiana were breached by the surge, ultimately flooding roughly 80% of the city and many areas of neighboring parishes. Severe wind damage was reported well inland. Katrina is estimated to be responsible for $75 billion (2005 US dollars) in damages, making it the costliest hurricane in U.S. history. The storm has killed at least 1,604 people, making it the deadliest U.S. hurricane since the 1928 Okeechobee Hurricane.

Recently featured: List of storms in the 2005 Atlantic hurricane season – List of New Jersey hurricanes – Hurricane Claudette (2003) – Browse

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Remnants of Tropical Storm Agnes over the northeast United States. Agnes dropped torrential and record-breaking rainfall, causing over $2 billion in damage (1972 USD) and more than 100 deaths. The name was later retired.

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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)

No active systems.

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

November 16, 2007 - Cyclone Sidr (pictured) dissipates after striking Bangladesh, where it kills over 3,000 people and leaves heavy damage. Sidr is the deadliest cyclone in the North Indian Ocean since the 1999 Orissa cyclone.
November 15, 2008 - The official start date of the South-West Indian Ocean cyclone season.
November 14, 1990 - Typhoon Mike (pictured), also called Typhoon Ruping, restrengthened in the South China Sea after killing over 250 people in the Philippines.
November 13, 1977 - Typhoon Kim made landfall in the Philippines with 210 km/h (130 mph) winds. Flash flooding claimed over 55 lives and caused severe damage.
November 12, 1970 - The Bhola tropical cyclone (pictured) made landfall on the densely populated Ganges Delta in East Pakistan (now Bangladesh), killing an estimated 500,000 people.