4/5 Port FS&S Thunderbolt 1000T Siren Test | Full Alert | Bement, IL | 6/2/20

After discovering that this 'Bolt was a 4/5 last month via an audio recording, I knew I had to record it as soon as possible. It turned out to be one of the loudest Thunderbolts I've heard so far. Main shot, photos & audio: Canon PowerShot SX540 HS Secondary shot: Olympus Stylus SP-720UZ Sirens in Piatt County are tested on the first Tuesday of the month at 10:00 A.M. Direct coordinates to this siren: 39.93002, -88.57424 #tornadosiren 🎵 Holy sh** it's ventless 🎵 do dah 🎵 do dah 🎵