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At least 10 of these stretched polar vortex events have occurred this winter, including the ongoing event, according to Cohen: four in December, four in January and two in February.
The polar vortex is also thought to have had effects in Europe. For example, the 2013–14 United Kingdom winter floods were blamed on the polar vortex bringing severe cold in the United States and Canada. [8] Similarly, the severe cold in the United Kingdom in the winters of 2009–10 and 2010–11 were also blamed on the polar vortex. [9]
The 2013–14 North American winter was one of the most significant for the United States and North America as a whole, due in part to the breakdown of the polar vortex in November 2013, which allowed very cold air to travel down into the United States, leading to an extended period of very cold temperatures.
The polar vortex is a whirling cone of low pressure over the poles that's strongest in the winter months due to the increased temperature contrast between the polar regions and the mid-latitudes ...
A polar vortex is forecasted to blanket most of the continental United States in the coming week, with parts of the Deep South expected to see freezing temperatures.
The winter weather is being helped along by a seasonal polar vortex, or cold-air system blowing from the poles, that helped create a raging storm across the central US over the weekend, blanketing ...
During the 2014 January polar vortex, more than 20 people across the country died from the cold as places like Georgia — which rarely see serious cold — dealt with lows under 10 degrees ...
The latest brutal cold snap is again courtesy of the polar vortex — a large area of cold air that spins over the North Pole — dropping some 3,000 miles south into the U.S. for the 10th time ...