Fog and mist

To show my seriousness about my discussion with molex…

What is the difference within fog and mist?

1. Fog is distinct from mist only in its density. Fog is defined as cloud which reduces visibility to less than 1 km, whereas mist is that which reduces visibility to less than 2 km.

2. The only difference between mist and fog is visibility. This phenomenon is called fog if the visibility is one kilometre or less (in the UK for driving purposes the definition of fog is visibility less than 200 metres, for pilots the distance is 1 kilometre). Otherwise it is known as mist.


So.. fog or mist?

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