Study Links Polar Vortex To Melting Sea Ice

WASHINGTON (September 2, 2014) A new study says that as the world gets warmer, the Arctic blast called the polar vortex could become more frequent in parts of North America, Europe and Asia.

Researchers say that's because of shrinkage in ice in the seas off Russia.

Less ice would let more energy go from the ocean into the air, and that would weaken the atmospheric forces that usually keep cold air trapped in the Arctic.

The study was published Tuesday in the journal Nature Communications.

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