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Polar vortex could disrupt forecast for a warmer El Niño winter

Polar vortex could disrupt forecast for a warmer El Niño winter
Photo: NewsChannel 5 WTVF (CBS affiliate) · view original

A change in the polar vortex could negate what weve been hearing about a warmer El Nio winter. Scientists say the system of winds that usually keeps Arctic air near the North Pole has broken down earlier than ever recorded. That could allow frigid air to spill south in the coming weeks. Parts of...

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