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Earth

Arctic hurricane frequency set to dwindle as world warms

15 September 2010

CLIMATE change is expected to bring more extreme weather, but at least one region may benefit from fewer storms: the Arctic.

Polar lows, also known as Arctic hurricanes, are weaker than Atlantic hurricanes but are still a hazard for ships and oil platforms. Dozens occur each winter, when the temperature difference between the cold air and warmer sea stirs up convection currents in the lower atmosphere.

, now at the University of Reading, UK, and of the GKSS Research Centre in Geesthacht, Germany, used a computer model to look at what would happen to the…

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