As goes the jet stream (18,000-34,000 feet high or so-up to 9 miles in altitude), so goes the weather down here on earth. Upper-level low pressure troughs (troffs) and high pressure ridges often ...

Sign up for the Morning Brief email newsletter to get weekday updates from The Weather Channel and our meteorologists. S now, ice and cold temperatures spread across ...

Climate scientists have long watched the jet stream with fascination and growing concern. These rivers of air racing across our planet at altitudes of roughly 5-9 miles dictate much of our day-to-day ...

Winter is coming—eventually. And while the Earth is warming, a new study suggests that the atmosphere is being pushed around in ways that cause long bouts of extreme winter cold or wet in some regions ...

The weather blog Severe Weather Europe provides an in-depth analysis of "cold anomalies across much of the central, southern, and eastern United States" after the start of the new year. This news ...

ST. LOUIS – The stormy weather pattern slamming the St. Louis region since early July isn’t going anywhere just yet. So far, the month of July and the beginning of August have been the main culprits ...

TULSA, Okla. — While we live well below the jet stream, it affects our everyday weather. This current of winds between 4 and 8 miles above the surface, guides storm systems around the globe. On ...

An idealized illustration of giant meanders in the global jet stream known as wave-4 patterns, which are bringing extreme winter cold and/or precipitation (blue areas) to parts of North America and ...