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An 1860s-era siren. [ 2 ] A siren is a loud noise-making device. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Sirens are used on emergency service vehicles such as ambulances, police cars, and fire engines. There are two general types: mechanical and electronic.
While outdoor siren warning systems across Des Moines metro counties will sound in the event of a threat, they are also tested regularly to ensure functionality. That's why you may hear sirens ...
The first ever civil defense air raid siren system was installed in 1938-1939 by the Hungarian Goverment to warn the public of air attacks. Electric-motor sirens were placed in big cities, the high-range sirens were placed in downtown, while the suburban areas had small-range electric-motor sirens.
Federal Signal Safety and Security Systems Group manufactures campus alerting systems, emergency vehicle lighting, emergency sirens, alarm systems, outdoor warning sirens, and public address systems. Currently, the company has 14 manufacturing facilities in 5 different countries. [1]
The outdoor weather siren system in St. Joseph County is in need of new electronics and an upgrade, and officials hope the work is done by early fall.
Hearing outdoor sirens today? It’s just a drill to remind you to review your sheltering plans in case tornadoes or other severe weather hits the Kansas City area.
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