Hypercane: Difference between revisions
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Hypercanes would have wind speeds of over 800 kilometers per hour (500-600+ miles per hour; 130 [[m/s]]), and would also have a central pressure of less than 700 [[hectopascal]]s, giving them an enormous lifespan.<ref name="MIT" /> The extreme conditions needed to create such a storm could conceivably produce a system up to the size of [[North America]], creating storm surges of {{ft to m|60}} and an eye nearly {{mi to km|200}} across. The waters could remain hot enough for weeks, allowing more hypercanes to be formed. A hypercane's clouds would reach 20 miles into the [[stratosphere]]. A hypercane would also damage the earth's [[ozone]].<ref name="MIT" /> | Hypercanes would have wind speeds of over 800 kilometers per hour (500-600+ miles per hour; 130 [[m/s]]), and would also have a central pressure of less than 700 [[hectopascal]]s, giving them an enormous lifespan.<ref name="MIT" /> The extreme conditions needed to create such a storm could conceivably produce a system up to the size of [[North America]], creating storm surges of {{ft to m|60}} and an eye nearly {{mi to km|200}} across. The waters could remain hot enough for weeks, allowing more hypercanes to be formed. A hypercane's clouds would reach 20 miles into the [[stratosphere]]. A hypercane would also damage the earth's [[ozone]].<ref name="MIT" /> | ||
== | ==In popular culture== | ||
{{trivia|date=July 2008}} | {{trivia|date=July 2008}} | ||
The [[anime]] ''[[Tactical Roar]]'' uses a fictional hypercane in the [[Pacific Ocean]] as a pretext to showcase naval battles, which are the series' focus. | * The [[anime]] ''[[Tactical Roar]]'' uses a fictional hypercane in the [[Pacific Ocean]] as a pretext to showcase naval battles, which are the series' focus. | ||
* The [[science-fiction]] [[television series]], ''[[Stargate Atlantis]]'', featured a hypercane that threatened to destroy Atlantis in an episode titled " The Storm " | |||
The | * ''[[The Future is Wild]]'' features hypercanes during the Pangaea II period of Earth, 200,000,000 years in the future. | ||
* In the 2002 novel ''Minutes to Burn'', by [[Gregg Andrew Hurwitz]], hypercanes occur every three to four months after increased tectonic activity and a depleted [[ozone layer]] resulted in the tropical ocean] raising in temperature.<ref>{{cite book |title=Minutes to Burn |first=Gregg Andrew |last=Hurwitz |publisher=[[HarperCollins]] |isbn=0061015512 |chapter=Chapter 7 |pages=p.52 }}</ref> | |||
''[[The Future is Wild]]'' features hypercanes during the Pangaea II period of Earth, 200,000,000 years in the future. | |||
==References== | ==References== | ||
Revision as of 00:34, 25 July 2008
A hypercane is a hypothetical class of extreme tropical cyclone that could form if ocean temperatures reached around 50° Celsius (122° Fahrenheit)—15° higher than the warmest ocean temperature ever recorded[1]—which could in turn be caused by a large asteroid or comet impact, a large volcanic or supervolcanic eruption, or very extensive global warming.[2] There is some speculation that some dinosaurs might have been killed off by a series of hypercanes, resulting from an asteroid or comet crashing into Earth.[3] The term was originally coined by atmospheric scientist Kerry Emanuel in 1994, at MIT.[4][5]
Physical description
Hypercanes would have wind speeds of over 800 kilometers per hour (500-600+ miles per hour; 130 m/s), and would also have a central pressure of less than 700 hectopascals, giving them an enormous lifespan.[4] The extreme conditions needed to create such a storm could conceivably produce a system up to the size of North America, creating storm surges of Template:Ft to m and an eye nearly Template:Mi to km across. The waters could remain hot enough for weeks, allowing more hypercanes to be formed. A hypercane's clouds would reach 20 miles into the stratosphere. A hypercane would also damage the earth's ozone.[4]
In popular culture
- The anime Tactical Roar uses a fictional hypercane in the Pacific Ocean as a pretext to showcase naval battles, which are the series' focus.
- The science-fiction television series, Stargate Atlantis, featured a hypercane that threatened to destroy Atlantis in an episode titled " The Storm "
- The Future is Wild features hypercanes during the Pangaea II period of Earth, 200,000,000 years in the future.
- In the 2002 novel Minutes to Burn, by Gregg Andrew Hurwitz, hypercanes occur every three to four months after increased tectonic activity and a depleted ozone layer resulted in the tropical ocean] raising in temperature.[6]
References
- ↑ "Temperature of Ocean Water". Windows to the Universe. University Corporation for Atmospheric Research. 2001-08-31. http://www.windows.ucar.edu/tour/link=/earth/Water/temp.html&edu=high. Retrieved on 2008-07-24.
- ↑ Leahy, Stephen (2005-09-16). "The Dawn of the Hypercane?". Inter Press Service. http://ipsnews.net/news.asp?idnews=30308. Retrieved on 2008-07-24.
- ↑ Hecht, Jeff (1995-02-04). "Did storms land the dinosaurs in hot water?". New Scientist (1963): p. 16. http://www.newscientist.com/article/mg14519632.600-did-storms-land-the-dinosaurs-in-hot-water.html. Retrieved on 2008-07-24.
- ↑ 4.0 4.1 4.2 Emanuel, Kerry (1996-09-16). "Limits on Hurricane Intensity". Center for Meteorology and Physical Oceanography , MIT. http://wind.mit.edu/~emanuel/holem/holem.html. Retrieved on 2008-07-24.
- ↑ Emanuel, Kerry; Kevin Speer, Richard Rotunno, Ramesh Srivastava, Mario Molina (1998-03-22). "Hypercanes: A Possible Link to Global Extinction Scenarios". Journal of Geophysical Research 100 (D7): pp. 13755–13765. http://www.agu.org/pubs/crossref/1995/95JD01368.shtml. Retrieved on 2008-07-24.
- ↑ Hurwitz, Gregg Andrew. "Chapter 7". Minutes to Burn. HarperCollins. pp. p.52. ISBN 0061015512.