"Cool Met Stuff" : Fog = Cloud?

A new episode is now available at the "Cool Met Stuff" channel on the Observatory webpage. It has been foggy recently. What is the difference between fog and cloud? How does sea fog form? We will let you have the answers in this episode.

You are welcomed to visit the Observatory's "Cool Met Stuff" channel to enjoy the programme (broadcast in Cantonese):
http://www.hko.gov.hk/video/wxonairyoutubec2.htm

Please also refer to the following webpage for the broadcast schedule of various TV channels:
http://www.hko.gov.hk/video/weatheronair.htm