Sirens Ambiance from Tornado Warning in Western Suburbs Illinois 2/27/24

This Federal Signal 2001-SRN (DC) in Chicago didn't go off on this video
Sirens heard during the Tornado Warning Activation:
Whelen WPS-4004 Wail Tone
American Signal T-128’s Alert Mode
ACA P-15 Alert Mode

[@ChicagoSirens]

Those are Franklin Parks 4004s and Northlakes P-15 and T-128.