Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.
A rare stratospheric event is forecast to unleash bone-chilling air from a weakening vortex across the US and New England, ...
The polar vortex, a high-altitude ring of westerly winds that usually keeps Arctic air locked near the pole, is showing signs ...
Although a major winter outbreak is not guaranteed, forecasters are watching for below-average temperatures to develop in the ...
Winter isn't over just yet. A major shift in the weather pattern could have millions across the United States once again reaching for their winter coats later this month before milder springlike air ...