BLOGS

Vexed by Vortexes...

Image Source: Live Science

Topics: Anthropogenic Climate Disruption, Geophysics, Meteorology, Research

The blast of Arctic weather headed for the United States this weekend could be a first sign of still worse things to come this winter, with signs that a circular low-pressure system of swirling winds that normally keeps frigid air locked up at the North Pole has been disrupted and split into smaller parts.

The disruption in this counterclockwise-spinning beast, called the polar vortex, is thought to be caused in part by a warm summer over the Arctic and a relatively cold fall over Siberia. The result for the United States and northern Europe? A severe winter lasting throughout February and possibly into March.

Meteorologist Judah Cohen agreed that the breaking up of the polar vortex could be the culprit for the coming storm. Cohen, the director of seasonal forecasting for the weather risk management company Atmospheric and Environmental Research (AER), based in Lexington, Massachusetts, told Live Science that the coming snowstorms in the United States this weekend are consistent with weather models that predicted severe wintry weather to come in the coming weeks.

The Polar Vortex Is Collapsing — Here's What That Means for Your Winter Weather

Tom Metcalfe, Live Science Contributor

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