The Jet Stream is a geostrophic wind blowing horizontally through the upper layers of the troposphere, generally from west to east, at an altitude of 20,000 - 50,000 feet.
Wavy jet stream - the picture of radical climate disruption
Avoid Jet Stream Injuries
Polar Vortex Phenomenon: China's Mohe city temperature coldest in its recorded history
The Jet Stream National Oceanic and Atmospheric Administration
What is the jet stream? - wePowder
The jet stream
Polar Vortex: How the Jet Stream and Climate Change Bring on Cold Snaps - Inside Climate News
Jet Streams PBS LearningMedia
The Jet Stream National Oceanic and Atmospheric Administration
Wacky Weather, a Warmer Arctic, and a Slower Jet Stream – Is There a Link? - Union of Concerned Scientists
The jet stream explained - BBC Sky at Night Magazine
US National Weather Service Boston MA - #WeatherKnowledgeWednesday You may have heard of the jet stream, but what is it and why do we care about it when forecasting the weather? Jet
JetStream National Oceanic and Atmospheric Administration
Jet Stream