Japan Meteorological Agency Wind Force Scale - きしょうちょふりょうかいきゅう

Japanese: 気象庁風力階級 - きしょうちょうふうりょくかいきゅう
Japan Meteorological Agency Wind Force Scale - きしょうちょふりょうかいきゅう

…Wind speed is expressed in units such as m/s, but it can also be divided into wind scales according to wind strength, as shown in Table 1. This is based on the Beaufort wind scale devised by Admiral Francis Beaufort (1774-1857) of the British Navy, and was adopted by the World Meteorological Organization (WMO) in 1964. In Japan, it is used as the Japan Meteorological Agency wind scale.
[Wind pressure and anemometer]
The reason why buildings are destroyed or signs are blown away by the wind is because of wind pressure, which refers to the force that the wind exerts on a unit area of ​​a building or structure.

*Some of the terminology used in reference to the "Japan Meteorological Agency Wind Strength Scale" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…風速はm/sといった単位で表されるが,さらに風の強さによって表1,表1(つづき)に示すような風力階級に分けることもある。これはイギリス海軍の提督ボーフォートFrancis Beaufort(1774‐1857)が考案したビューフォート風力階級を基にして1964年に世界気象機関(WMO)が採用したもので,日本では気象庁風力階級として利用されている。
【風圧と風圧計】
 風で建物が壊れたり看板が飛んだりするのは風圧によるもので,風圧力とは風が建築物などの単位面積に与える力をさす。…

※「気象庁風力階級」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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