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  Not to worry! Nuclear winter will offset global warming!
  "Economic Democracy" <info@economicdemocracy.org> wrote in message 
news:59d9354.0409291838.63f98ace@posting.google.com...
  > SUMMARY: Other computer modeling efforts have also predicted that
  > hurricanes will grow stronger and wetter as a result of global
  > warming. But this study is particularly significant, independent
  > experts said, because it used half a dozen computer simulations of
  > global climate, devised by separate groups at institutions around the
  > world. The long-term trends it identifies are independent of the
  > normal lulls and surges in hurricane activity that have been on
  > display in recent decades.
  >
  > * The new study of hurricanes and warming "is by far and away the most
  > comprehensive effort" to assess the question using powerful computer
  > simulations, said Dr. Kerry A. Emanuel, a hurricane expert at the
  > Massachusetts Institute of Technology who has seen the paper but did
  > not work on it. About the link between the warming of tropical oceans
  > and storm intensity, he said, "This clinches the issue."
  >
  > * With almost every combination of greenhouse-warmed oceans and
  > atmosphere and formulas for storm dynamics, the results were the same:
  > more powerful storms and more rainfall
  >
  > = = = FULL:
  >
  > Global Warming Is Expected to Raise Hurricane Intensity
  > By ANDREW C. REVKIN
  >
  > Published: September 30, 2004
  >
  > Global warming is likely to produce a significant increase in the
  > intensity and rainfall of hurricanes in coming decades, according to
  > the most comprehensive computer analysis done so far.
  >
  > By the 2080's, seas warmed by rising atmospheric concentrations of
  > heat-trapping greenhouse gases could cause a typical hurricane to
  > intensify about an extra half step on the five-step scale of
  > destructive power, says the study, done on supercomputers at the
  > Commerce Department's Geophysical Fluid Dynamics Laboratory in
  > Princeton, N.J. And rainfall up to 60 miles from the core would be
  > nearly 20 percent more intense.
  >
  > Other computer modeling efforts have also predicted that hurricanes
  > will grow stronger and wetter as a result of global warming. But this
  > study is particularly significant, independent experts said, because
  > it used half a dozen computer simulations of global climate, devised
  > by separate groups at institutions around the world. The long-term
  > trends it identifies are independent of the normal lulls and surges in
  > hurricane activity that have been on display in recent decades.
  >
  > The study, published online on Tuesday by The Journal of Climate, is
  > at www.gfdl.noaa.gov/reference/bibliography/2004/tk0401.pdf.
  >
  > The new study of hurricanes and warming "is by far and away the most
  > comprehensive effort" to assess the question using powerful computer
  > simulations, said Dr. Kerry A. Emanuel, a hurricane expert at the
  > Massachusetts Institute of Technology who has seen the paper but did
  > not work on it. About the link between the warming of tropical oceans
  > and storm intensity, he said, "This clinches the issue."
  >
  > Dr. Emanuel and the study's authors cautioned that it was too soon to
  > know whether hurricanes would form more or less frequently in a warmer
  > world. Even as seas warm, for example, accelerating high-level winds
  > can shred the towering cloud formations of a tropical storm.
  >
  > But the authors said that even if the number of storms simply stayed
  > the same, the increased intensity would substantially increase their
  > potential for destruction.
  >
  > Experts also said that rising sea levels caused by global warming
  > would lead to more flooding from hurricanes - a point underlined at
  > the United Nations this week by leaders of several small island
  > nations, who pleaded for more attention to the potential for
  > devastation from tidal surges.
  >
  > The new study used four climate centers' mathematical approximations
  > of the physics by which ocean heat fuels tropical storms.
  >
  > With almost every combination of greenhouse-warmed oceans and
  > atmosphere and formulas for storm dynamics, the results were the same:
  > more powerful storms and more rainfall, said Robert Tuleya, one of the
  > paper's two authors. He is a hurricane expert who recently retired
  > after 31 years at the fluid dynamics laboratory and teaches at Old
  > Dominion University in Norfolk, Va. The other author was Dr. Thomas R.
  > Knutson of the Princeton laboratory.
  >
  > Altogether, the researchers spawned around 1,300 virtual hurricanes
  > using a more powerful version of the same supercomputer simulations
  > that generates Commerce Department forecasts of the tracks and
  > behavior of real hurricanes.
  >
  > Dr. James B. Elsner, a hurricane expert at Florida State University
  > who was among the first to predict the recent surge in Atlantic storm
  > activity, said the new study was a significant step in examining the
  > impacts of a warmer future.
  >
  > But like Dr. Emanuel, he also emphasized that the extraordinary
  > complexity of the oceans and atmosphere made any scientific progress
  > "baby steps toward a final answer."
  >
  >
  > http://www.nytimes.com/2004/09/30/science/30hurricane.html
  >
  >
  > DON'T MOURN, ACT! WEBSITES FOR ACTION:
  >
  > http://www.earthshare.org/get_involved/involved.html
  > http://www.gristmagazine.com/dogood/climate.asp
  > http://www.greenhousenet.org/
  > http://www.solarcatalyst.com/
  >
  > Overview and local actions you can take: http://www.PostCarbon.org
  > =============
  >
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