Beaufort Scale of Wind 蒲福风级表
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Beaufort Scale Description Wind speed(knot)
0 Calm 无风 <0 Sea like a mirror1 light air 软风 1-2Ripples but without foam crests2 Light breeze 轻风 3-6Small wavelets. Crests do not break3 Gentle breeze 微风 7-10Large wavelets. Perhaps scattered white horses4 Moderate breeze 和风 11-15Small waves. Fairly frequent white horses5 Fresh breeze 清风 16-20Moderate waves， many white horses6 Strong breeze 强风 21-26 Large waves begin to form; white foam crests，probably spray 7 Near gale 疾风 27-33Sea heaps up and white foam blown in streaksalong the direction of the wind8 Gale 大风 34-40Moderately high waves， crests begin to break into spindrift 9 Strong gale 烈风 41-47High waves. Dense foam along the direction ofthe wind. Crests of waves begin to roll over. Spray may affect visibility10 Storm 狂风 48-55Very high waves with long overhanging crests. The surface of the seatakes a white appearance. The tumbling of the sea becomes heavy and shocklike. Visibility affected11 Violent storm 狂风 56-63Exceptionally high waves. The seais completelycovered with long white patches of foam lying inthe direction of the wind. Visibility affected12 Hurricane 飓风 ≥64The air is filled with foam and spray. Sea completely white with driving spray. Visibility very seriously affected
固原市圣辛羽毛有限公司蒲福风级（Beaufort scale）是海外通用的风力品级，由英国东谈主弗朗西斯·蒲福（Francis Beaufort）于1805年拟定，用以示意风强度品级。风力品级简称风级， 义乌市勤顷电子商务商行是风强度（风力）的一种示意标准业务合作， 浙江土工仪器制造有限公司故又称“蒲福风力品级表”。它最先是阐发风对大地物体或海面的影响大小分为0—12级，首页-海吉圣 锁具有限公司招聘人才 共13个品级。 自1946年以来，风力品级又作了引申，增多到18个品级（0—17级）。蒲福风级表最运行时只利用于海上，经改换后也可用于陆地。1947年第12届海外气候台长会议上被认真承认。
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