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A 'Bulge' in Atmospheric Pressure Gives Us a Super-Cold Winter Amid Global Warming http://apocadocs.com/s.pl?1294321160
Icicle-covered oranges in Florida. The United Kingdom swamped with its coldest December in more than a century. Travelers stranded in airports surrounded by snowy fortresses.... So how does this fit with global warming models?
According to some climate scientists, the cold in places like Florida actually could be a sign of warming, rather than an argument against the phenomenon.
The ongoing disappearance of sea ice in the Arctic from elevated temperatures is a factor to changes in atmospheric pressure that control jet streams of air, explained James Overland, an oceanographer of the National Oceanic and Atmospheric Administration, or NOAA. That is because ice-less ocean is darker and, thus, absorbs more solar heat, which in turn spews warmer air than average back into the Arctic atmosphere.
That unusually warm air can contribute to a "bulge" effect to the atmospheric pressure controlling how cold air flows, according to Overland, who works at NOAA's Pacific Marine Environmental Laboratory. Rather than moving circularly in the Arctic from west to east as typical, the bulge may prompt air to move in a U-shaped pattern down to the southern United States.
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[Read more stories about:
albedo effect, arctic meltdown, weather extremes]
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Your Quips:
arwyn says: "Warmer...colder.... all part of the change/pendulum... push it, people, eh?"
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Apocaiku: cold air is warming / it roils and pushes further / chaos brings new ice
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