Beaufort Scale of Wind  蒲福风级表巨乳 av

图片

凌辱人妻温泉​

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  摇风      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

蒲福风级（Beaufort scale）是海外通用的风力品级，由英国东说念主弗朗西斯·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，是风强度（风力）的一种示意要津，故又称“蒲福风力品级表”。它当先是阐明风对大地物体或海面的影响大小分为0—12级巨乳 av， 共13个品级。 自1946年以来，风力品级又作了推论，加多到18个品级（0—17级）。蒲福风级表最运行时只利用于海上，经阅兵后也可用于陆地。1947年第12届海外花式台长会议上被负责承认。

本站仅提供存储作事，总计践诺均由用户发布，如发现存害或侵权践诺，请点击举报。