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Meteorology

Awan Lentikular Diam

A smooth, lens-shaped cloud that forms at high altitudes in the crest of mountain waves; often stationary, and indicative of significant atmospheric turbulence downwind of mountain ranges.

Quick answer: A smooth, lens-shaped cloud that forms at high altitudes in the crest of mountain waves; often stationary, and indicative of significant atmospheric turbulence downwind of mountain ranges.

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Quick answer

A smooth, lens-shaped cloud that forms at high altitudes in the crest of mountain waves; often stationary, and indicative of significant atmospheric turbulence downwind of mountain ranges.

Why it matters

Awan Lentikular Diam matters because it supports clear communication in Meteorology contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Editorial context

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Questions and answers

Questions and answers

What is Awan Lentikular Diam?

In this glossary, Awan Lentikular Diam refers to: A smooth, lens-shaped cloud that forms at high altitudes in the crest of mountain waves; often stationary, and indicative of significant atmospheric turbulence downwind of mountain ranges.

How is Awan Lentikular Diam used in aviation?

In aviation communication, this term appears in contexts such as: "Beritahukan semua pesawat tentang awan lentikular diam pada flight level satu dua nol di selatan lapangan; kemungkinan turbulensi diharapkan."

Why does Awan Lentikular Diam matter in aviation?

Awan Lentikular Diam matters because it supports clear communication in Meteorology contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Who uses Awan Lentikular Diam?

Awan Lentikular Diam is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does Awan Lentikular Diam belong to?

In this glossary, Awan Lentikular Diam is grouped under Meteorology. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.

Definition

A smooth, lens-shaped cloud that forms at high altitudes in the crest of mountain waves; often stationary, and indicative of significant atmospheric turbulence downwind of mountain ranges.

Operational example

Advise all aircraft of a standing lenticular cloud reported at flight level one two zero south of the field; possible turbulence expected.

Localized term

Awan Lentikular Diam

Localized example

Beritahukan semua pesawat tentang awan lentikular diam pada flight level satu dua nol di selatan lapangan; kemungkinan turbulensi diharapkan.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Meteorology

Exam relevance

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

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

Use the related links below to continue through connected aviation terminology.

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