Hypercane: Difference between revisions
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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<ref> | 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<ref>{{cite web |url=http://www.windows.ucar.edu/tour/link=/earth/Water/temp.html&edu=high |title=Temperature of Ocean Water |publisher=[[University Corporation for Atmospheric Research]] |work=Windows to the Universe |date=2001-08-31 |accessdate=2008-07-24}}</ref>—which could in turn be caused by a large [[asteroid]] or [[comet]] impact, a large [[volcano|volcanic]] or [[supervolcano|supervolcanic]] eruption, or very extensive [[global warming]].<ref>{{cite web |url=http://ipsnews.net/news.asp?idnews=30308 |title=The Dawn of the Hypercane? |first=Stephen |last=Leahy |publisher=[[Inter Press Service]] |date=2005-09-16 |accessdate=2008-07-24}}</ref> There is some speculation that some [[dinosaur]]s might have been killed off by a series of hypercanes, resulting from an asteroid or comet crashing into [[Earth]].<ref>{{cite journal |title=Did storms land the dinosaurs in hot water? |first=Jeff |last=Hecht |journal=[[New Scientist]] |date=1995-02-04 |url=http://www.newscientist.com/article/mg14519632.600-did-storms-land-the-dinosaurs-in-hot-water.html |issue=1963 |pages=p. 16 |accessdate=2008-07-24 }}</ref> The term was originally coined by atmospheric scientist [[Kerry Emanuel]] in 1994, at [[MIT]].<ref name="MIT">{{cite web |url=http://wind.mit.edu/~emanuel/holem/holem.html |title=Limits on Hurricane Intensity |first=Kerry |last=Emanuel |publisher=[[Center for Meteorology and Physical Oceanography ]], [[MIT]] |date=1996-09-16 |accessdate=2008-07-24 }}</ref><ref>{{cite journal |title=Hypercanes: A Possible Link to Global Extinction Scenarios |first=Kerry |last=Emanuel |coauthors=Kevin Speer, Richard Rotunno, Ramesh Srivastava, Mario Molina |journal= |date=1998-03-22 |volume=100 |issue=D7 |pages=pp. 13755–13765 |journal=[[Journal of Geophysical Research]] |url=http://www.agu.org/pubs/crossref/1995/95JD01368.shtml |accessdate=2008-07-24 }}</ref> | ||
==Physical description== | ==Physical description== | ||
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''[[The Future is Wild]]'' features hypercanes during the Pangaea II period of Earth, 200,000,000 years in the future. | ''[[The Future is Wild]]'' features hypercanes during the Pangaea II period of Earth, 200,000,000 years in the future. | ||
==References== | ==References== | ||
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[[Category:Tropical cyclone meteorology]] | [[Category:Tropical cyclone meteorology]] | ||
{{weather-stub}} | {{weather-stub}} | ||
Revision as of 00:19, 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]
Hypercanes in fiction
Template:Trivia 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 Sci-Fi TV Show, 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.
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.