NASA Image of Sandy --Experts Ask: "Is a 'Hypercane' Possible"
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October 29, 2012

NASA Image of Sandy --Experts Ask: "Is a 'Hypercane' Possible"

 

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NOAA's GOES-13 satellite captured this visible image of the massive Hurricane Sandy on Oct. 28 at 1302 UTC (9:02 a.m. EDT). The line of clouds from the Gulf of Mexico north are associated with the cold front that Sandy is merging with. Sandy's western cloud edge is already over the Mid-Atlantic and northeastern U.S.

MIT's Kerry Emanuel describes the worst nightmare hurricane that could ever happen -a "hypercane" with winds raging around its center at 500 miles an hour. Water vapor; sea spray and storm debris are spewed into the atmosphere, punching a hole in the stratosphere 20 miles above the Earth's surface; at landfall, its super-gale-force winds would flatten forests and toss boulders with a 60-foot tsunami-like storm surge flooding nearby shores. The water vapor and debris could remain suspended high in the atmosphere for years, disrupting the climate and the ozone layer.

Could this happen? Possibly. But this hypercane scenario is one of Emanuels' computer models. A professor at MIT's atmosphere, oceans and climate program, Emanuel studies the physics of hurricanes, deconstructing their behavior, and digs into their geological past -- all to understand what makes these monster storms tick.

one knows for sure how hurricanes get started. The ingredients for cooking one up still remain a mystery. A basic recipe: ocean water 80 degrees or warmer, super humid air, and a bunch of storms with thunderheads. Some assembly still require"Hurricanes are accidents of nature," Emanuel says. Hurricanes don't happen by themselves," he continues. "They literally need to be triggered."

To create such a monster storm, parts of the ocean would have to warm up to at least 100 degrees, and only the impact of a large asteroid hitting the tropical ocean or a massive undersea volcano could generate such intense heating. Emanuel and his colleagues theorize that asteroid-triggered hypercanes may have contributed to massive global extinctions millions of years ago.*

Iamge Credit: NASA GOES Project

Comments

Great Research. Science is never done

It was not very long ago that we saw the northern lights deep into the USA and no mention of that here. Since a meteor has not hit the Earth lately I suppose a follow up article will suggest that man made global warming is the trigger for hurricanes. Science illustrated recently had a article on how the Vikings were farming on Greenland 1000 years ago and today is mostly covered in ice; With the higher global tempeture back then I imagine there were big storms to fit to. It seems likely that humans will farm on Greenland once again and I hope it is so; what worries me is when the big freeze will come because that is what really threatens civilization when global food production fall. Daily Galaxy is so very much predictable when it comes to there support for the control of world economies by one global governing body. Carbon tax is a tax on life and supporting this agenda is a travesty.


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