What is fog?

Thanks to FreeFoto.com for the image :)

Thanks to FreeFoto.com for the image 🙂

As I was standing, watching the Under 12 Gold play football this morning, I couldn’t see the goal posts at the other end of the field because it was so foggy, it was then I started wondering to myself…What is fog and where does it come from?

So, I have done some research and here is what I have found.

Air is made up of gasses and contains a certain amount of invisible water vapour (water droplets so small that we can’t see them). Fog is created when the air becomes cool (like on a wintry morning) and cannot hold as much water vapour , the air it becomes supersaturated, that means the invisible water vapour turns into bigger water droplets, and then turns into fog.

For more information, have a look at the BBC Weather Centre on Fog, the URL is http://www.bbc.co.uk/weather/features/understanding/fog.shtml

or have a look at Weatherwize Kids the full URL is http://www.weatherwizkids.com/cloud.htm

They have some wonderful information on clouds too!

For some spectacular photos of fog from all over the world, go to http://www.chitambo.com/clouds/cloudshtml/fog.html

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