A Cloudy Mystery 

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20 August 07

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A Cloudy Mystery
Commentary by Alan Caruba
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6 August 07 - There's a reason why one should be extremely wary of the computer models that are cited by the endless doomsday predictions of Al Gore, the UN's International Panel on Climate Change, and all the other advocates of "global warming."

The reason is clouds. Computer models simply cannot provide for the constant variability of clouds, so they ignore them.

In a July issue of The Economist an article called "Grey-Sky thinking" was subtitled, "Without understanding clouds, understanding the climate is hard. And clouds are the least understood part of the atmosphere." Since the increasingly rabid claims of Earth's destruction from rising temperatures depend on computer modeling, how can they be regarded as accurate if they must largely exempt or deliberately manipulate the impact of clouds?

How can you make predictions, whether it's a week or a decade from now, if you haven't a clue why clouds do what they do?

The Economist reported that, "In a recent paper in Climate Dynamics, Mark Webb of Britain's Hadley Centre for Climate Change and his colleagues reported that clouds account for 66% of the differences between members of one important group of models and for 85% of them in another group." Clouds simply defy the logarithms of computer modelers.

"Clouds are that 800-pound gorilla," says research meteorologist, Gerald Mace, of the University of Utah. That gorilla, however, is never mentioned by the "global warming" propagandists. Neither clouds, nor volcanoes, nor the most important factor, the Sun, is credited as responsible for either the climate or the weather. Instead, we are constantly told that "human activity" is the single cause.

Following the publication of the results of new study in the journal of the American Geophysical Union revealing that the absence of clouds actually had a cooling affect-the opposite of widely held opinion on the role of clouds-Dr. Roy Spencer of the Earth System Science Center noted that, "To give an idea of how strong this enhanced cooling mechanism is, if it was operating on global warming, it would reduce estimates of future warming by over 75 percent."

If leading meteorologists remain largely ignorant of why clouds do what they do, why would we pay any attention to those with a financial or ideological incentive to propagate "global warming" claims?

See entire article by Alan Caruba
http://www.cnsnews.com/ViewCommentary.asp?Page=/Commentary/archive/200708/COM20070816c.html




               

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