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Millions brace for another Arctic blast

This coming week a stretched polar vortex is producing repeated surges of Arctic air into the Eastern United States, with NOAA's Climate Prediction Center showing a high probability of below-average temperatures Dec. 12–16.
Meteorologists say the polar vortex, normally circular over the North Pole, has become elongated between East Asia and eastern North America, directing Arctic air farther south and triggering early December outbreaks.
In the Midwest, forecasts show wind chills plunging below zero in Minneapolis, Chicago, Kansas City and St. Louis, while Detroit may drop into single digits and northern Alabama into the teens.
The whole cycle that began at the end of November is expected to last until mid‑December, and NOAA is forecasting another surge, but Judah Cohen expects the cold to end after the third week.
While the first half of December brings cold, Judah Cohen expects early December cold as an 'appetizer' with mid‑December main cold and the Climate Prediction Center's late‑December outlook favors warmer‑than‑average conditions.

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