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The Polar Vortex Is Returning. What's Its Role for Winter?
- The polar vortex is forming over the North Pole and is starting the season stronger than usual, according to the European Centre for Medium-Range Weather Forecasts.
- The National Oceanic and Atmospheric Administration describes the polar vortex as a large circulation of cold air and strong winds over the Arctic.
- A strong, stable vortex can keep the coldest Arctic air near the pole, while a weaker or disrupted vortex can allow some cold air to move south.
- The latest forecast suggests the vortex may weaken during winter, but a disruption would not automatically send Arctic air into the United States.
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Helena Independent Record+28 Reposted by 28 other sources
The polar vortex is returning. What's its role for winter?
A stronger-than-normal polar vortex is taking shape over the North Pole. That might sound like a recipe for a brutally cold winter, but it isn't that simple.
·Helena, United States
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The annual polar vortex formation is just beginning over the Arctic. This year's forecasts, however, are attracting meteorologists' attention, as they indicate the possibility of a significant weakening of the vortex in mid-winter. This doesn't mean a frosty season in Poland yet, but it could increase the risk of sudden winter episodes.
Coverage Details
Total News Sources30
Leaning Left5Leaning Right1Center23Last UpdatedBias Distribution79% Center
Bias Distribution
- 79% of the sources are Center
79% Center
L 17%
C 79%
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