A polar vortex split high in the stratosphere is expected to send frigid Arctic air toward Michigan and the Great Lakes. The event could bring colder-than-normal temperatures and late frosts to the ...

Georgia is ending the week on a warm and humid note, with temperatures climbing near record daily highs Thursday and Friday. Forecasters say the unseasonable warmth is being fueled by a strong ...

Wind chills are below zero degrees throughout the First State as a polar vortex grips the region. Wilmington, Dover and Lewes are all reading wind chills below zero degrees as bitter cold winds from ...

Add Yahoo as a preferred source to see more of our stories on Google. Could early February's blast of cold in the northeastern United States be one of the last appearances of our wintertime foe, the ...

There is a major weather pattern change underway across the U.S. As we get into next week, the storm track looks really interesting. Major upper-air pattern changes are quite normal. Sometimes we have ...

It’s an understatement to say it’s been a very cold winter. And it’s not close to being over. Reviewing our longer-term weather patterns, we are likely in for more freezing days ahead. You can thank a ...

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 ...

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 ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all scientists agree. By Eric Niiler The polar vortex is a ribbon of ...

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 ...