The Beaufort scale

One of the first scales to estimate wind speeds and the effects was created by Britain's Admiral Sir Francis Beaufort (1774-1857).  He developed the scale in 1805 to help sailors estimate the winds via visual observations. The scale starts with 0 and goes to a force of 12.

The Full Beaufort scale is still used today to estimate wind strengths.

The full history of the Beaufort scale and its predecessors

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