noun
maximum instantaneous wind speed
Meteorological term for the highest wind speed recorded in a very short interval (typically 3 seconds) during a given period. Commonly seen in typhoon advisories and weather news.
台風の接近に伴い、最大瞬間風速は40メートルを超えた。
As the typhoon approached, the maximum instantaneous wind speed exceeded 40 meters per second.
The Japan Meteorological Agency announced the maximum instantaneous wind speeds for each area.