瞬しゅん間かん風ふう速そく

noun

instantaneous wind speed; instantaneous wind velocity

Technical term used in meteorology and weather reports; refers to the wind speed measured over a very short interval (typically a few seconds), as opposed to average wind speed.

• 台たい風ふうのとき、瞬しゅん間かん風ふう速そくが50メートルを超こえた。

  During the typhoon, the instantaneous wind speed exceeded 50 meters per second.

• 天てん気き予よ報ほうでは、瞬しゅん間かん風ふう速そくに注ちゅう意いするよう呼よびかけている。

  The weather forecast is urging caution regarding instantaneous wind speeds.