As the Arctic rapidly warms, the temperature difference between the polar region and lower latitudes decreases, which weakens ...

Winter storms are about to blitz through the eastern half of the United States at a frenetic pace that could continue for a ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

The Deep South of the United States was hit with a rare snowstorm, the result of a collision of air pressure systems moved by ...

An American Airlines regional jet collided with a U.S. Army Black Hawk helicopter on Jan. 29. Both aircraft plunged into the ...

The daily weather we experience is largely shaped by atmospheric conditions nearly 30,000 feet above us ... creating a current of air in the upper atmosphere known as the jet stream.

The jet stream, one of the most dramatic forces of nature, was discovered during World War II when aviators first tried to cross the Pacific. This strong wind current is often defined as upper ...

For both events, you can blame the jet stream – the fast-moving air currents that flow west to east around the globe. In October 2024, the polar jet had buckled, trapping a high-pressure ...

WASHINGTON, Jan 21 (Reuters) - In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) per hour, but they are not the ...

BASICALLY, ALL JANUARY LONG HAS BEEN FOR THESE SHOTS OF COLD AIR TO COME IN OUT OF SOUTHERN CANADA, AND THAT HAS KEPT THE JET STREAM WELL TO OUR SOUTH. IT’S KEEPING THE STORMS AT BAY AS WELL.