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Beaufort wind scale Force 5

Meteorology
Typography

Force 5

− Wind speed 17 − 21 kn or 8.0-10.7 m/sec

mean, 19 kn or 9 m/sec

(Moderate waves, taking a more pronounced long form; many white horses are formed (Chance of some spray)) 

 BEAUFORT WIND SCALE FORCE 5

Photograph − I G MacNeil, Courtesy of the Meteorological Office

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