Weather

There is little chance of widespread fog with visibility below 500 m. Very local fog is possible.

Does not apply

Local fog with a visibility of maximal 500 m is expected in at least half of the province, but over a smaller area the visibility may be less than 200 m. Keep sufficient distance with the car and adjust your speed. Be careful.

Widespread, visibility < 500 m 
or locally visibility < 200 m

Widespread dense fog is expected, with a visibility of less than 200 m. Drive slowly and be aware of a sudden reduced visibility. Be prepared.

Widespread, thick fog with a vibility < 200 m

There is no red warning given for fog.

Does not apply