The current method of summoning help involve speakers constantly blaring loud beeping sound both day and night. He was called to the neighborhood after residents reported a pickup circling round and round, blaring loud music. ...
transitive verb, intransitive verb blared, blaring to sound out with loud, harsh, trumpetlike tones to announce or exclaim loudly Origin of blare Middle English bleren, bloren, to wail, bellow: for Indo-European base see blear