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 ...

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.

This puts the jet stream near the top of the Earth's troposphere, where most of the Earth's weather occurs. The core of the jet, a fast-moving wind current that blows west to east around the Earth ...

So a more wobbly jet stream, consequently, increases the chances of intense winter storms and cold snaps in the US. Examples of this extreme winter weather include the polar-vortex event that ...