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Will the weakening polar vortex impact Canada’s winter? Here’s what experts say
- NASA Ozone Watch forecasts the Arctic polar vortex will weaken sharply in early November, with wind speeds at 10 hPa projected to fall from 22.12 m/s to 4.15 m/s by November 3.
- Dr. Judah Cohen, an atmospheric scientist at the Massachusetts Institute of Technology, called the event "almost undoubtedly, the largest, earliest disruption of the polar vortex on record."
- Although some models indicate a "sudden stratospheric warming" where winds reverse direction, the outcome remains uncertain and does not guarantee widespread cold across the United States.
- Changes can take two to six weeks to descend through the atmosphere, potentially reshaping the jet stream from late November into December, according to the Polar Vortex Earth monitor.
- Research meteorologist Dr. Christoph Gatzen at Western University noted that an early weakening is "notable" but not concerning, advising residents prepare as they would for any other winter.
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43 Articles
43 Articles
Meteorologists are looking for the evolution of the polar vortex, an atmospheric phenomenon that can influence temperatures in Europe in the coming months. Polar vortex is an atmospheric phenomenon that forms over the Arctic region, at about 30 kilometers altitude. It helps to keep the air very cold near the North Pole. Forecasts for the beginning of November indicate the possibility of weakness ...
·Romania
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If the phenomenon is not rare, its "appearance from the beginning of November would be exceptional", says the Weather Chain.
·Paris, France
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Coverage Details
Total News Sources43
Leaning Left10Leaning Right6Center9Last UpdatedBias Distribution40% Left
Bias Distribution
- 40% of the sources lean Left
40% Left
L 40%
C 36%
R 24%
Factuality
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