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.
The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.
Another arctic blast has sent temperatures plummeting across the United States, bringing “life-threatening” wind chills and ...
6don MSN
The National Weather Service warned of “life-threatening cold” into Tuesday, with temperatures in northeastern Montana ...
The level of cold may be record-breaking for some central ... There have been several polar vortex episodes across the United States this winter, with the mass of freezing air surging southward ...
Extreme weather is sweeping across the United States. Last week, the polar vortex peaked, bringing freezing temperatures to ...
The strong polar vortex which ushered in the record cold is being replaced by a warming trend. All this week high ...
The United States has been at the epicenter of the planet’s most unusually cold conditions early in 2025. The polar vortex is to blame.
The easy answer is a deep southward dip in the polar jet stream that typically rings the globe at higher latitudes but is ...
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