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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 ...
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 ...
Polar vortices also exist on other rotating, low-obliquity planetary bodies. [1] The term polar vortex can be used to describe two distinct phenomena; the stratospheric polar vortex, and the tropospheric polar vortex. The stratospheric and tropospheric polar vortices both rotate in the direction of the Earth's spin, but they are distinct ...
Prior to the events of January 2014, several studies on the connection between extreme weather and the polar vortex were published suggesting a link between climate change and increasingly extreme temperatures experienced by mid-latitudes (e.g., central North America). [89]
The average temperature in Boston for January was 2.9 °F (1.6 °C) below the 1981–2010 normal, and the average temperature in February was 19.0 °F (−7.2 °C), which was 12.7 °F (7.1 °C) below the 1981–2010 normal, making it the second-coldest month of any month all-time, behind February 1934. March was 5.2 °F (2.9 °C) below average.
New York City had its first measurable snow (0.1 of an inch or greater) early Wednesday and other locations, such as Philadelphia and Washington D.C. were teetering on the edge of measurable snow.
On February 5, Edmonton recorded a temperature of −32.3 °C (−26.1 °F) and a wind chill of −37 °C (−35 °F), [16] as a result of the "polar vortex" making its way west. [ 17 ] [ 18 ] Extreme cold carried into March, with temperatures hitting −31.2 °C (−24.2 °F) in Calgary on the second, [ 19 ] and −38.6 °C (−37.5 °F) in ...
The polar vortex, which is a storm at the jet stream level of the atmosphere, has kept frigid air pent up above the Arctic Circle for much of the winter. When the polar vortex remains strong as it ...