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The polar vortex is generally an area of low pressure above the Earth’s poles that contains the coldest air. The vortex is more influential during a hemisphere’s winter than in the summer ...
The February 2021 North American cold wave was an extreme weather event that brought record low temperatures to a significant portion of Canada, the United States and parts of northern Mexico during the first two-thirds of February 2021. The cold was caused by a southern migration of the polar vortex, likely caused by a sudden stratospheric ...
Polar vortex. A circumpolar vortex, or simply polar vortex, is a large region of cold, rotating air; polar vortices encircle both of Earth's polar regions. 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 polar vortex played a role in the extreme winter weather outbreak that struck Texas in February 2021, ... While they used to only happen once every other year or so, the research shows they ...
Polar vortex to unleash dangerous cold blast in northeastern US. A quick but intense blast of Arctic air will barrel into the Northeast later this week to deliver quite a cold shock to the ...
Early 2019 North American cold wave. In late January 2019, a severe cold wave caused by a weakened jet stream around the Arctic polar vortex [5] hit the Midwestern United States and Eastern Canada, killing at least 22 people. [3][4] It came after a winter storm brought up to 13 inches (33 cm) of snow in some regions from January 27–29, and ...
The polar vortex is strong, icy weather that usually stays over the top of the planet, penned in by strong winds that whip around it, Cohen said. It's like an ice skater spinning rapidly with her ...
The dark patches in the latter image depict areas left without electricity. In February 2021, the state of Texas suffered a major power crisis, which came about during three severe winter storms sweeping across the United States on February 10–11, [6] 13–17, [7] and 15–20. The storms triggered the worst energy infrastructure failure in ...