PrevailingVisibility
European Supplement
urn:aero:ses:eurocontrol:airm:1.0.0:ContextualModel:ATMBusinessTerms:WMO:PrevailingVisibility
The greatest visibility value observed which is reached within at least half the horizon circle or within at least half of the surface of the aerodrome. These areas could comprise contiguous or non-contiguous sectors.
Source:
WMO METeorological Community Exchange (METCE)