My first siren in person! It wasn't too loud until it faced me, because I was 500 feet from it.
Siren Details
Make: Federal Signal
Model: 2001-130
Noise level: 130DB at 100 ft
Location: Century Park, Bolingbrook, IL
Coordinates: 41°41'21.2"N 88°08'35.9"W
Filming location: 500 feet away on the playground
Filming coordinates: 41°41'25.4"N 88°08'40.8"W
Activation Time: 10:00AM
Testing time: The entirety of the state of Illinois tests their sirens on the first Tuesday of the month at 10:00AM weather permitting (the only way they cancel tests is if there's severe weather impacting the county)