Its strength and position shift with the seasons, according to the National Weather Service. When the vortex is strong, the ...

The NOAA predicts above-normal temperatures in the south and up the eastern coast between December 2025 and February 2026.

According to climate scientists, record levels of Arctic ice in 2025 could increase cold spells in the United States and ...

The polar vortex is stirring up, bringing the earliest hints that the seasons are changing. When will Wisconsin see its first ...

A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of the United States. Scientists are monitoring the event closely, as the ...

HOUSTON, Texas (KTRK) -- With this most recent freeze now behind us, many Houstonians are probably wondering if another freeze could impact them this winter. When it comes to freezes, forecasters ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the coldest ...

The stratospheric polar vortex high above Antarctica has rapidly heated up. These sudden bursts of heat can bring rapid ...

Persistent blasts of Arctic air have been keeping it bitter cold. — -- Once again the relentless stretch of bitter cold battering Northeastern cities including Boston with record snow has many ...

The spike in temperatures this week may have Michigan residents wondering if fall will ever feel like fall. See your city's average freeze date.

The polar vortex is starting to stir up, bringing the earliest hints that the seasons are changing. When will Ohio see its first freeze?

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