Facts about Fog

1. 03

   In the San Francisco Bay Area, the Karl the Fog mascot has been an official character since 2010, with its own Twitter account boasting over 300,000 followers.

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2. 02

   Stratus clouds forming within 200 meters of the ground are technically classified as fog by meteorologists, reducing visibility to less than 1 kilometer.

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3. 01

   During the 1952 Great Smog of London, visibility reduced to 1 meter and approximately 12,000 people died from respiratory complications.

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