Jet streams play a key role in how tornadoes are formed. When it comes to tornadoes, you’ve seen them, and you’ve seen what they can do. But do you really know how a tornado forms into that monstrous ...

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 ...

One of you readers asked me to define the jet stream. Tuesday, I mentioned that the jet stream had changed over the West, bringing us mild weather for the next several days. So what is the jet stream ...

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 ...

ELMIRA, N.Y.(WETM) – We start the following work week with a polar vortex. This will bring in unseasonably cold air to the region and wind chill temperatures back to the negatives. But what is a polar ...

The past two days proved dismal for Cornell students and faculty, who battled freezing temperatures and wind chills of 29 degrees below zero across campus. As a mind-numbing polar vortex descends on ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. As we head into a more active weather ...