Fog

Region/Country	Description
US	A Dense Fog Advisory means visibilities will frequently be reduced to less than one mile. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions.
EU	Visibility below 50 metres (restricted to heights where major roads occur). Fog is causing limited visibility.
JP	Dense fog.
DE	Überörtlich Sichtweite unter 150 m.