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Beaufort

 

Beaufort Number *** Wind Speed in Miles/hour (Km/hour) *** Description

 

NOTE: The Beaufort number is also referred to as a "Force" number, for example,

"Force 10 Gale".

* To calculate knots, divide miles/hour by 1.15.

* Small craft advisories are usually issued when force 6 is reached.

Books on weather and the sea:

 

 

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