The polar vortex hovering over Siberia has generated the coldest temperature on Earth so far this year, and according to meteorologists, it could be headed to Canada next.
The polar vortex hovering over Siberia has generated the coldest temperature on Earth so far this year, and according to meteorologists, it could be headed to Canada in early February.
In the Northern Hemisphere, the polar jet separates the polar vortex from warmer, temperate air to the south. When the vortex holds its shape and stays concentrated over the pole, it is considered a strong vortex. However, sometimes warmer air from the south creeps north over the vortex, and dips down into the vortex from higher in the atmosphere, displacing the cold air.
"What we have right now is the biggest piece is over Siberia, and there's been some record-breaking cold air associated with that," he said.
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