Meteorology
Lowest altitude of the visible cloud layer, reported as base of scattered, broken, overcast.
Quick answer: Lowest altitude of the visible cloud layer, reported as base of scattered, broken, overcast.
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Lowest altitude of the visible cloud layer, reported as base of scattered, broken, overcast.
cloud base 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.
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Questions and answers
In this glossary, cloud base refers to: Lowest altitude of the visible cloud layer, reported as base of scattered, broken, overcast.
In aviation communication, this term appears in contexts such as: "We observe cloud base at approximately fifteen hundred feet and request descent clearance."
cloud base 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.
cloud base is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
In this glossary, cloud base is grouped under Meteorology. Related pages in this category explain adjacent procedures, commands and operational concepts.
This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.
Lowest altitude of the visible cloud layer, reported as base of scattered, broken, overcast.
Pilot: We observe cloud base at approximately fifteen hundred feet and request descent clearance.
English reference definition
ICAO Doc 9432, FAA PCG
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