noun
Official meteorological term for a weather advisory, less severe than a 警報 (warning). Used in phrases like 大雨注意報 (heavy rain advisory).
気象庁は大雨注意報を発表した。
The Japan Meteorological Agency issued a heavy rain advisory.
注意報が出ている間は、川に近づかないでください。
Please stay away from rivers while the advisory is in effect.