The extreme negative Arctic Oscillation, driven by record low sea ice, has been identified as one of the primary drivers of cold, snowy winters for the eastern U.S. and western Europe.
Signal: colder
Record low December sea ice driving extreme weather conditions
by Hunter Cutting on 05. Jan, 2011 in Uncategorized
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Arctic Arctic Oscillation Arctic sea ice climate change impact Warm Arctic-Cold Continents patternSignals
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A note about identifying climate change impacts
Many events are linked to climate change by virtue of fitting a long-term trend. For example, the record-breaking “once in one thousand years” rains that drove the recent Nashville flood is part of the long-term trend of increasing heavy precipitation events in the Southeastern United States that has been fully documented and firmly attributed to climate change. While one cannot say with certainly that event was "caused" by climate change, one can and should say it is linked to climate change.
