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Beaufort scale |
Also found in: Encyclopedia, Wikipedia | 0.07 sec. |
Beaufort scaleSystem of recording wind velocity, devised by Francis Beaufort in 1806. It is a numerical scale ranging from 0 to 17, calm being indicated by 0 and a hurricane by 12; 13-17 indicate degrees of hurricane force. In 1874 the scale received international recognition; it was modified in 1926. Measurements are made at 10 m/33 ft above ground level. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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While Saturday was a hazardous and difficult search, Sunday's clear skies and calm wind reminded the team why they spend their time on mountains. Wind also plays an important role, with calm winds favoring the formation of smog. Delayed by unusually calm wind conditions and occasional blizzards, Bancroft and Arnesen made history on Feb. |
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