The Beaufort scale (/ˈboʊfərt/ BOH-fərt) is an empirical measure that relates wind speed to observed conditions at sea or on land. Its full name is the Beaufort wind force scale. It was devised in 1805 by Francis Beaufort, a hydrographer in the Royal Navy. It was officially adopted by the Royal Navy and later spread internationally.
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👉 Beaufort scale in the context of Francis Beaufort
Sir Francis Beaufort KCB FRS FRGS FRAS MRIA (/ˈboʊfərt/ BOH-fərt; 27 May 1774 – 17 December 1857) was an Irish hydrographer and naval officer who created the Beaufort cipher and the Beaufort scale.
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Beaufort scale in the context of Meltemi
The etesians (/ɪˈtiːʒənz/ or /ɪˈtiːziənz/; Ancient Greek: ἐτησίαι, romanized: etēsiai, lit. 'periodic winds'; sometimes found in the Latin form etesiae), meltemia (Greek: μελτέμια; pl. of μελτέμι meltemi), or meltem (Turkish) are the strong, dry north winds of the Aegean Sea, which blow periodically from about mid-May to mid-September. The Etesian winds are a dominant weather influence in the Aegean Basin.
They are at their strongest in the afternoon and often die down at night, but sometimes etesian winds last for days without a break. Similar winds blow in the Adriatic and Ionian regions. Etesian winds are dangerous to sailors because they come up in clear weather without warning and can blow at force 7–8 on the Beaufort scale. Some yachts and most inter-island ferries cannot sail under such conditions. However, they often provide a good, steady sailing wind favored by leisure sailors.