Polar jet stream

Alternative definitions (1), class: vernacular (0)
Term: Polar jet stream
Definition: Relatively fast uniform winds concentrated within the upper atmosphere in a narrow band. The polar jet stream exists in the mid-latitudes at an altitude of approximately 10 kilometers. This jet stream flows from west to east at speeds between 110 to 185 kilometers per hour. Also see jet stream and subtropical jet stream.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary