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Newer video of this siren: • Federal Signal Thunder...
First successful test in Illinois since October. This Thunderbolt was discovered just a few months ago by Jared Smudde.
Teutopolis, along with the majority of Illinois, tests their sirens on the first Tuesday of the month at 10:00 A.M.
Direct coordinates to this siren: 39.13348, -88.49067
#tornadosiren