noun which may take the genitive case particle 'no', noun
disaster-level; extreme; severe
Used especially in news and weather reports to describe heat, rain, snow, or other natural phenomena that reach a level comparable to a disaster. Often modifies nouns like 暑さ, 大雨, or 寒波.
There is a risk of disaster-level heavy rain tomorrow.
Disaster-level heat continues.
Compound of 災害 (disaster) and 級 (class, level). A relatively modern term that became common in weather reporting to convey the severity of natural phenomena.