Glossary
Aviation Weather
Jet Stream
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Definition
A narrow band of strong winds (100-200 kt) at high altitudes affecting flight times and routing
Related Terms
Clear Air Turbulence (CAT)
Turbulence occurring in cloudless areas, often near jet streams, invisible to radar
Great Circle Route (GCR)
The shortest path between two points on the Earth's surface, commonly used in long-haul aviation
Headwind
A wind blowing directly opposite to the direction of aircraft travel, reducing ground speed
Tailwind
A wind blowing in the same direction as the aircraft's travel, increasing ground speed
Mentioned In
Frequently Asked Questions
What is Jet Stream?
A narrow band of strong winds (100-200 kt) at high altitudes affecting flight times and routing
How does Jet Stream relate to other aviation concepts?
Jet Stream is closely related to Clear Air Turbulence and Great Circle Route, among other key aviation concepts.