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Sir Francis Beaufort. The scale that carries Beaufort's name had a long and complex evolution from the previous work of others (including Daniel Defoe the century before). In the 18th century, naval officers made regular weather observations, but there was no standard scale and so they could be very subjective — one man's "stiff breeze" might be another's "soft breeze"—: Beaufort succeeded ...
Gale warning flags (USA) A gale warning is an alert issued by national weather forecasting agencies around the world in an event that maritime locations currently or imminently experiencing winds of gale force on the Beaufort scale. [1]
The Weather Service differentials wind speeds into 12 categories on the Beaufort Wind Scale, which can be found below: The Beaufort Wind Scale applies visual clues to gauge how fast the wind is ...
The insignia that denotes a small craft advisory is one red, triangular flag (two such flags, one placed above the other, signify a gale warning). Inland, this advisory is known as a wind advisory . A lake wind advisory is issued for winds just below this range, because unobstructed winds across the open waters of a lake are normally faster ...
Sir Francis Beaufort KCB FRS FRGS FRAS MRIA (/ ˈ b oʊ f ər t / BOH-fərt; 27 May 1774 – 17 December 1857) was an Irish hydrographer, the creator of the Beaufort cipher and the Beaufort scale, and a naval officer.
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The same flag as a storm warning is used to indicate a tropical storm warning. On land, the National Weather Service issues a 'high wind warning' (Specific Area Message Encoding code: HWW) for storm-force winds, which also encompasses the lesser gale-force and greater hurricane force winds. In most cases, the warning applies to winds of 40-114 ...