Ceiling And Visibility OK
- Ceiling And Visibility OK
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Ceiling And Visibility OK (« CAVOK ») est un terme météorologique utilisé en aéronautique signifiant :
- visibilité ≥ 10 km,
- pas de nuage au dessous du plus élevé des niveaux suivants :
- l’altitude minimale de secteur la plus élevée
- 5000 ft (1 500 m)
- pas de temps significatif,
- pas de CB (cumulonimbus) ni de TCU (Cumulus Congestus autrement appelé Tower Cumulus).
Ce terme peut être utilisé dans un METAR, un SPECI ou un TAF.
(fr) Portail Aéronautique Météo France
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