Usage patterns
〈場所〉に警報が発令されるa warning is issued for a place
A heavy rain warning was issued for this area.
警報が鳴るan alarm/warning sounds
Suddenly, the fire alarm started sounding.
警報を解除するto lift/cancel a warning
The warning was lifted after the typhoon passed.
警報を無視するto ignore a warning
Some residents ignored the warning and went outside.