Millions of Americans are set to feel the chill this week and into January as a ferocious Arctic blast pushes its way into ...

The daily weather we experience is largely shaped by atmospheric conditions nearly 30,000 feet above us, where a key factor ...

One knot equals 1.1 mph. The red flags indicate wind direction. For up-to-date maps of the jet stream (and other weather-related maps) visit the FNMOC Web site.

Although the U.S. will see a milder pattern this week, there's probably cold, stormy weather still in store for us this winter. Large-scale weather and climate patterns, guided in part by the jet ...

The jet stream is a key atmospheric phenomenon that plays a crucial role in shaping day-to-day weather patterns.

How Would You Define a 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 ...

The powerful, dynamic system moving across the region will be driven by an uncommonly strong jet stream, which could see speeds top nearly 150 mph high up in the atmosphere. The jet stream refers ...