Aviation English
Meteorology

What is Warm Front?

Warm Front A boundary where a warm air mass advances and rises over a retreating cold air mass, usually resulting in steady precipitation and lower clouds along the front.

Source: ICAO Doc 9432, FAA PCG

How is “Warm Front” Used in Practice?

A warm front is forecast along the route; expect low clouds and continuous precipitation during cruise and approach.

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 Warm Front?

A boundary where a warm air mass advances and rises over a retreating cold air mass, usually resulting in steady precipitation and lower clouds along the front.

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