noun
high fan speed (air conditioner setting)
Used on air-conditioner remote controls and settings to indicate the highest fan speed.
エアコンのリモコンで急風に設定した。
I set the air conditioner remote to high fan speed.
noun
squall; sudden gust
Meteorological term for a sudden strong wind. Less common in everyday speech than 突風 (とっぷう).
天気予報で急風に注意するよう呼びかけていた。
The weather forecast warned of sudden gusts.