What Is A Jet Stream?

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.

What Is a Jet Stream?

A Weakened Jet Stream

Jet Stream, Wind Maps

Polar Vortex Phenomenon: China's Mohe city temperature coldest in its recorded history

What is the jet stream? - Met Office

This image shows a practical example of the effects of jet stream

Jet Stream, Wind Maps

What are jet streams and how do they influence the weather we experience?

Overlying theme: wind is the result of a horizontal difference in pressure

The jet stream, explained

PPT - The jet stream PowerPoint Presentation, free download - ID:2042960

File:Jet Stream.jpg - Wikimedia Commons