A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

Tracking another Arctic front moving south from Canada into Oklahoma as we go into the weekend.  Right now it looks like the ...

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 ...

Tornadoes, winter storms and even hurricanes - chances are you've heard at least one of those phenomena mentioned in the same sentence with the jet stream. Here's a meteorology 101 rundown about what ...