Polar vortex to send bitter cold to the U.S. including DC area
The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, keeping it locked there. If there's any weakening in the jet stream (the fence), the frigid air can become unstable and spill out. This sends the normally trapped cold air much farther south.
Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.
A polar vortex is set to hit next week, dropping temperatures in 48 states well below their average for January. According to ...
A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...
The Weather Network on MSN12h
Presidential inaugurations have seen blizzards and the polar vortexDonald Trump delivered his first inaugural address amid light rain showers in 2017. Snow flurries gave way to breaks in the ...
The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption ...
With temperatures expected to be among the coldest Inauguration Day in decades, officials have decided to move the ...
A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow and ice to the East and Deep South.
The NYC area could see significant snow this weekend for the first time in years, with "the potential for up to 6 inches." ...
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