NationMaster - Encyclopedia: Annular hurricanes

Annular hurricanes have a large, symmetric eye surrounded by a ring of intense convection, with hardly any convection (i.e. bands) elsewhere. These types of storms are not prone to fluctuations in intensity related to the eyewall replacement cycles typically seen in intense tropical cyclones. Convection is the transfer of heat by currents within a fluid. ... Eye of Typhoon Odessa, Pacific Ocean, August 1985 The eyewall is the region of a tropical cyclone where the winds are the highest, the clouds reach furthest into the atmosphere and the precipitation is the heaviest. ... Cyclone Catarina, a rare South Atlantic tropical cyclone viewed from the International Space Station on March 26, 2004. ...

Statistics show that forecasters significantly underestimate the wind velocities following the time when the hurricane peaks. The errors occur because this type of hurricane maintains intensity longer than usual. An example of statistics used in educational assessment. ...

Less than 1% of Atlantic cyclones exhibit annular characteristics.

Hurricane Luis of the 1995 Atlantic hurricane season, Hurricane Edouard of 1996, and Hurricane Katrina of 2005 have been known to be annular hurricanes. Duration: Aug. ... B C D E 6 F G H I J K L 14 M N O P R S T Categories: | ... B C D E F G H I J K L M Categories: | ... B C D E F G H I J K L M Categories: | ... Hurricane Katrina was the eleventh-named tropical storm, fourth hurricane, third major hurricane, and first Category 5 hurricane of the 2005 Atlantic hurricane season. ... The 2005 Atlantic hurricane season officially began June 1, 2005 and officially ended on November 30, 2005 although effectively the season persisted into January of 2006 due to continued storm activity. ...

Hurricane Epsilon of the 2005 Atlantic hurricane season has also been noted for its similarity to an annular hurricane. B C D E F G H I 10 J K L M N O P R 19 S T 22 V W Î‘Î± Î’Î² Î“Î³ Î”Î´ Î•Îµ Î–Î¶ Categories: | | | | ... The 2005 Atlantic hurricane season officially began June 1, 2005 and officially ended on November 30, 2005 although effectively the season persisted into January of 2006 due to continued storm activity. ...

External link

Journal article on annular hurricanes

Categories: Hurricane stubs | Tropical cyclone meteorology

Results from FactBites:

BIBLE DOCTRINE NEWS, Divine Viewpoint of Current Events (2324 words)
	Hurricane Felix, with a small 12-mile wide eye, made landfall on Nicaragua's Mosquito Coast as a Category 5 hurricane with estimated 140-knot (160 mph) winds.
	Hurricane Wilma moved to the corner of the Yucatan.
	And hurricanes and tropical storms were in the Caribbean and the eastern and western Pacific.

Hurricane Epsilon (2005) - Wikipedia, the free encyclopedia (623 words)
	Hurricane Epsilon was the twenty-seventh tropical or subtropical storm and the fifteenth hurricane of the season and was one of the strongest Atlantic hurricanes ever recorded so late in the year.
	Hurricane Epsilon developed from an extratropical storm on November 29 and gradually developed into a hurricane on December 2, despite a highly hostile environment.
	Hurricane Epsilon was the third-strongest hurricane ever recorded in the month of December, with a minimum pressure of 981 mbar (hPa); only Hurricane Nicole of 1998 and an unnamed storm in the 1925 season were stronger.

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