Volcanic Ash Advisory Centre

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Link Semantic Value
Term Volcanic Ash Advisory Centre
Status


Mandatory for


Contexts

EAEA

Categories
Synonyms


Related entries

International Airways Volcano Watch (IAVW)

Broader term


Narrower term


Contents

Abbreviation

VAAC

Definition

A meteorological centre designated by regional air navigation agreement to provide advisory information to meteorological watch offices, area control centres, flight information centres, world area forecast centres and international OPMET databanks regarding the lateral and vertical extent and forecast movement of volcanic ash in the atmosphere following volcanic eruptions.

Definition Source

ICAO, Official definition, added to An 3 by Amdt 71 (5/11/1998)

Note

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