Beaufort Scale | Beaufortova stupnice. Stupnice pro vyjádření síly větru ve 12 stupních podle dynamického působení větru na pozemní předměty nebo hladinu . Apr 25, English: Category:Beaufort scale. Français: Catégorie:Échelle de Beaufort. Nederlands: Categorie:Schaal van Beaufort. The Beaufort scale /ˈboʊfərt/ is an empirical measure that relates wind speed to observed conditions at sea or on land. Its full name is the Beaufort wind force.
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Write a customer review. Shopbop Designer Fashion Brands. Exceptionally high waves; small- and medium-sized ships might be for a long time lost to view behind the waves; sea is covered with long white patches of foam; everywhere the edges of the wave crests are blown into foam; visibility affected.
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Be the first to review this item. Hong Kong and Macau retain force 12 as the maximum. Amazon Inspire Digital Educational Resources.
Views Read Edit View history. It was based on visual and subjective observation of a ship and of the sea. Stpunice Drive Cloud storage from Amazon. English Choose a language for shopping. AmazonGlobal Ship Orders Internationally.
The scale was made a standard for ship’s log entries on Royal Navy vessels in the late s and was adapted to non-naval use from the s, with scale numbers corresponding to cup anemometer rotations. The initial scale of thirteen classes zero to twelve did not reference wind speed numbers but related qualitative wind conditions to effects on the sails of a frigatethen the main ship of the Royal Navyfrom “just sufficient to give steerage” to “that which no canvas sails could withstand”.
The reason is that the Beaufort scale is not an exact nor an objective scale.
From Wikipedia, the free encyclopedia. Small wavelets still short but more pronounced; crests have a glassy appearance but do not break.
Withoutabox Submit to Beaufrotova Festivals. Very high waves with long overhanging crests; resulting foam in great patches is blown in dense white streaks along the direction of the wind; on the whole the surface of the sea takes on a white appearance; rolling of the sea becomes heavy; visibility affected.
Beaufort scale – Wikipedia
Wind felt on face; leaves rustle; wind vane moved by wind. This page was last edited on 9 Decemberat China also switched to this extended version without prior notice on the morning of 15 May and the extended scale was immediately put to use for Typhoon Chanchu.
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Amazon Rapids Fun stories for beafuortova on the go. Large wavelets; crests begin to break; foam of glassy appearance; perhaps scattered white horses. Add to Wish List. Moderately high waves of greater length; edges of crests break into spindrift; foam is blown in well-marked streaks along the direction of the wind.
Please beaufortkva here to manage your MP3 cart content. Page 1 of 1 Start over Page 1 of 1. In Canada, maritime winds forecast to be in the range of 6 to 7 are designated as “strong”; 8 to 9 “gale force”; 10 to 11 “storm force”; 12 “hurricane force”. Beaufort succeeded in standardising the scale.
Nowadays, the extended scale is only used in Taiwan and mainland China, which are often affected by typhoons. Your Amazon Music account is currently associated with a different marketplace.