Why has it been so cold in Rochester? It's not just the polar vortex
The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can mirror the distortion and introduce Arctic air. While this distortion is often caused by weakening of the polar vortex, that’s not the case this time.
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US suffers record-breaking cold: What's going on with the polar vortex?"An Arctic air mass is expected to plunge into the Central U.S. this week, with high confidence for widespread, ...
The easy answer is a deep southward dip in the polar jet stream that typically rings the globe at higher latitudes but is ...
Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson Bay.
How is climate change affecting polar regions? Climate change is amplified in the polar regions. The northern and southern reaches of the planet are warming faster than any area on Earth, with ...
After a summer of fasting on land, the bears need to get back to their frozen home to hunt seals and bulk up. But their migration ritual is changing.
We often see photographs that show how glaciers have diminished in size over the last century. The recession of glaciers is a ...
The polar vortex, a pattern in the Arctic region, is causing extreme cold weather in the US and Europe. Despite this, the world is warming, with January setting a monthly heat record. Climate change ...
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