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The word '''hypercane''' was coined by Kerry Emanuel at [[MIT]] to describe a regime when the simple thermodynamic model to estimate hurricane intensity fails to converge.
A '''hypercane''' is a theoretical class of [[hurricane]] that could form if ocean temperatures reached around 50° [[Celsius]] (122° [[Fahrenheit]]), which could in turn be caused by an [[asteroid]] impact, a large [[volcano|volcanic]] eruption, or extensive [[global warming]]. There is speculation that [[dinosaurs]] might have been killed off by a series of hypercanes, resulting from an asteroid crashing into [[Earth]]. The term was originally coined by atmospheric scientist Kerry Emanuel in [[1996]], at [[MIT]].
 
Solving the equations by numerical methods indicates that in that regime, phenomenal [[storm]]s are formed that reach 20 miles high, with winds approaching 500 miles an hour. It is also said that storms of this rank will not dissipate until an ample amount of time passes.


Hypercanes would have wind speeds of over 130 m/s, but would also have a central pressure of less than 700 [[hectopascal]]s, giving them an enormous lifespan.


The [[anime]] ''[[Tactical Roar]]'' uses a fictional hypercane in the [[Pacific Ocean]] as a pretext to showcase naval battles, which are the series' focus.


==See also==
==See also==
{{tcportal}}
{{tcportal}}
*[[Tropical cyclone]]
* [[Tropical cyclone]]
* [[Global warming]]


== External links ==
== External links ==
* [http://wind.mit.edu/~emanuel/holem/holem.html Limits on Hurricane Intensity]
* [http://wind.mit.edu/~emanuel/holem/holem.html Limits on Hurricane Intensity]
* [http://www.newscientist.com/hottopics/dinosaurs/storms.jsp Did storms land the dinosaurs in hot water?]
* [http://www.newscientist.com/hottopics/dinosaurs/storms.jsp Did storms land the dinosaurs in hot water?]
* [http://ipsnews.net/news.asp?idnews=30308 The Dawn of the Hypercane?]
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{{hurricane-stub}}
{{hurricane-stub}}
[[Category:Tropical cyclone meteorology]]
[[Category:Tropical cyclone meteorology]]

Revision as of 05:30, 9 March 2007

A hypercane is a theoretical class of hurricane that could form if ocean temperatures reached around 50° Celsius (122° Fahrenheit), which could in turn be caused by an asteroid impact, a large volcanic eruption, or extensive global warming. There is speculation that dinosaurs might have been killed off by a series of hypercanes, resulting from an asteroid crashing into Earth. The term was originally coined by atmospheric scientist Kerry Emanuel in 1996, at MIT.

Hypercanes would have wind speeds of over 130 m/s, but would also have a central pressure of less than 700 hectopascals, giving them an enormous lifespan.

The anime Tactical Roar uses a fictional hypercane in the Pacific Ocean as a pretext to showcase naval battles, which are the series' focus.

See also

Template:Tcportal


Template:Hurricane-stub