The old faithful sirens of yesteryear. An early example of a Decot. An ACA Hurricane File:3t22 siren.jpg ACA Allertor siren A federal signal Thunderbolt siren This article is a stub. You can help Tornado siren Wiki by expanding it. Retrieved from "https://tornado-siren.fandom.com/wiki/Classic_Sirens?oldid=4103" Categories: Pages with broken file links Article stubs Sirens Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.