noun
Shared Early Warning (SEW); missile attack early warning system
A radar and satellite-based system for detecting missile or other attacks. Often used in defense and security contexts.
政府は早期警戒情報を活用してミサイル発射を探知する。
The government uses Shared Early Warning to detect missile launches.
noun
early warning information on extreme weather
Abbreviation of 異常天候早期警戒情報. Used by meteorological agencies to issue advance notice of severe weather events.
See also: 異常天候早期警戒情報
気象庁は台風接近に備えて早期警戒情報を発表した。
The Japan Meteorological Agency issued early warning information in preparation for the approaching typhoon.
The full, unabbreviated term for the weather-related early warning information; 早期警戒情報 is the common abbreviation.
Compound of 早期 (early stage), 警戒 (warning, vigilance), and 情報 (information). The term is a modern technical coinage used in defense and meteorology.