Dangerously cold temperatures combined with wind gusts up to 60 mph are expected to cause life-threatening conditions across parts of the Midwest, Mid-Atlantic and Northeast to close out the week, ...

ORLANDO, Fla. – When you hear meteorologists talk about a polar vortex breakdown, it might sound like something that only affects the Arctic or northern states. In reality, these events can have ...

For new readers, here’s a brief overview. The Polar Vortex is a large scale winter circulation over the Northern Hemisphere. Imagine it as a spinning wall of wind above the polar regions, stretching ...

Record cold temperatures are once again expected to hit a swath of the country this weekend—even plunging Florida into its coldest stretch of the last 15 years, potentially bringing snow to areas of ...

Severe temperatures are expected to dominate most of the country in the coming days, with single-digit temperatures forecast for parts of the Northeast. Overall, temperatures will begin to warm in the ...

Satellite image of a bomb cyclone. It’s winter in the Northern Hemisphere. We are actually having a proper one this year. Irrespective of what is going on with our climate, it is supposed to be cold ...

The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit temperatures are forecast for much of the Northeast, and subzero ...

Vortex Optics made headlines in 2022 when it was selected to provide the Next Generation Squad Weapons–Fire Control (NGSW-FC) system for the U.S. Army’s NGSW program. That has led to both securing ...

Polar vortexes are a year-round phenomenon. But Chicago-area residents only notice them when they collapse, experts say. That’s what’s happening starting Thursday when dangerously frigid air from ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

An extreme polar vortex moving from the Arctic across North America is expected to arrive in Quebec by Friday and persist through the weekend, according to Environment Canada. EC meteorologist Peter ...

This story has been edited to correct an error. Judah Cohen is affiliated with the Massachusetts Institute of Technology. Our old wintertime friend the polar vortex ...