The polar vortex is strengthening over the Arctic, and El Niño is expected to become one of the strongest on record. If that sounds like a recipe for a rough Mississippi winter, forecasters say it's ...

For months now, experts have shared their increasing certainty that we’ll face an unprecedented “super El Niño” this year. That means the surface of the Pacific Ocean could heat up to 1.5-2°C above ...

The polar vortex, a circulation of cold air over the Arctic, is currently stronger than normal. A strong and stable polar vortex helps keep the coldest Arctic air contained near the North Pole. A very ...

The polar vortex is taking shape over the North Pole, and it is starting the season stronger than normal, based on the latest sub-seasonal forecasts from the European Centre for Medium-Range Weather ...

Want to bookmark your favourite articles and stories to read or reference later? Start your Independent Membership today. Experts are predicting a wet and stormy autumn that could develop into an icy ...

The polar vortex, a circulation of cold air over the Arctic, is currently stronger than normal. A strong and stable polar vortex helps keep the coldest Arctic air contained near the North Pole. A very ...

Add Yahoo as a preferred source to see more of our stories on Google. As New Jersey residents savor the first days of fall, meteorologists are already keeping an eye on a familiar winter buzzword: the ...

The polar vortex, a ring of cold air over the Arctic, is strengthening as the Northern Hemisphere heads toward winter. A strong polar vortex can help keep cold air contained near the pole, but a ...

The polar vortex is taking shape over the North Pole, and it is starting the season stronger than normal, based on the latest sub-seasonal forecasts from the European Centre for Medium-Range Weather ...

A stronger polar vortex is developing over the Arctic. Here's what it could mean for winter, including the role of a powerful El Niño.