The jet stream, or any wind, is the result of differences in surface temperature. In simple terms, warm air rises, creating low pressure, and cold air sinks, creating high pressure. Wind is the ...

You’ve likely heard about the jet stream when talking about a flight, it frequently causes changes in weather across the United States and even in the tropics. This band of wind is often the biggest ...

The daily weather we experience is largely shaped by atmospheric conditions nearly 30,000 feet above us, where a key factor is the weather phenomenon known as the jet stream. Think of a jet stream as ...

Across the Northern Hemisphere, familiar seasons are starting to feel unfamiliar. Heat waves linger, cold snaps arrive out of sync, and storms stall over the same unlucky regions. At the heart of this ...

Several conditions made April 16, 2011 ripe for a tornado, and on Tuesday, WRAL Chief Meteorologist Greg Fishel looked back at the ingredients that made for a devastating storm. Several conditions ...

WASHINGTON (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 strongest in our ...