Polar Pressure, Snowstorms and Sea Ice
New York Times
December 31, 2009
EXCERPT:
The unusual pattern of atmospheric high and low pressure over and around the Arctic that has contributed to the recent snow and cold from Alabama to Washington, to East Anglia, England (and rain and warmth along the west coast of Greenland) is also an important influence on the shifting sheath of sea ice on the Arctic Ocean.
Several specialists studying Arctic sea ice told me that there’s a good chance that, if current conditions persist, the ice this spring could be in better shape than it has been over the last few years. In all of this, though, it’s important to step back from the lure of the moment, which quickly attracts bursts of attention from climate commentators when conditions favor one view or another, and examine long-term trends.
The polar pressure pattern, called the Arctic Oscillation (often abbreviated as A.O.), is deep in its negative phase at the moment — a depth not seen since the 1980s, according to….
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A surprisingly fair article from Andy Revkin,who tends to be one sided in favor of the AGW hypothesis,that to this day is a dead hypothesis.
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