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How did Santa Cruz County stack up with the U.S.’s coldest January on record since 1988?
January marked the coldest January in the contiguous United States in decades, mostly due to a distorted polar vortex that ...
Alaska Dispatch News4d
Why much of the U.S. has had Earth’s most unusually cold air this winter
The polar vortex has taken on an unexpected pattern this winter - one that’s made part of the United States the most ...
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 ...
The polar vortex is acting weird and the US is paying the price this winter
It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...
Why the U.S. has been home to Earth’s most unusually cold air this year
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 Alpena News4d
Polar vortex holds icy grip on US
The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. Even Mars has been warmer than North ...
230M Americans are feeling the polar vortex as Arctic deep freeze engulfs US
The sheer scale of the cold is staggering, with 230 million Americans experiencing temperatures below freezing.
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Polar vortex makes much of US colder than Greenland, but warmth is coming
The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. Even Mars has been warmer than North ...
Dangerous wind chills are wrapping up in Denver. Where does this cold air come from?
Cold air originating from the Arctic Ocean was dislodged earlier this week and spilled south across the United States. As a ...
Polar vortex ushers in life-threatening cold for over 90 million as far south as Florida, Texas
The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.
Millions across U.S. face 'record-breaking cold' as another polar vortex sends temperatures plunging. Here's the latest forecast.
Another arctic blast has sent temperatures plummeting across the United States, bringing “life-threatening” wind chills and ...