Aviation English
Meteorology

What is Mountain Wave?

Mountain Wave A standing atmospheric wave created when stable air flows over a mountain or ridge, often causing turbulence and rotor clouds.

Source: ICAO Doc 9432, FAA PCG

How is “Mountain Wave” Used in Practice?

Pilot reports moderate turbulence due to mountain wave activity over the Sierra Nevada ridge.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is Mountain Wave?

A standing atmospheric wave created when stable air flows over a mountain or ridge, often causing turbulence and rotor clouds.

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