class documentation
class Environment__VisibilityRange(NumberData):
Visibility range in (m). Values can be interpreted based on Meteorological Office 1969 according to Allen Howard Perry and Leslie Symons. Highway Meteorology. Taylor & Francis, 2003:
- > 40 km: excellent
- 10-40 km: good
- 4–10 km: moderate
- 2–4 km: poor
- 1–2 km: mist
- 200–1000 m: fog
- 40–200 m: thick fog
- < 40 m: dense fog