From, the Internet's premiere site for siren information and discussion
Jump to: navigation, search

Memphis Outdoor Warning Siren System

Compulert controller screen for the City of Memphis

Type City
Location Memphis, Tennessee
Date installed 1950s - Present
Status Active
Testing dates Each Wednesday
Testing times 3:30PM

Memphis, Tennessee maintains a system of 109 outdoor warning sirens. They include Federal Signal Thunderbolts and 2001s, ACA P-10s, P-15s, and P-50s, ASC T-128s, a Whelen 2910, a B&N Mobil Directo, a Sentry 20V2T [needs citation] and a Darley Champion. Memphis is believed to have one of the most diverse operational siren systems in the country. The sirens are tested each Wednesday at 3:30pm in Alert.


The first siren installed in Memphis was the single tone Biersach & Niedermeyer Mobil Directo located atop East High School on Poplar Avenue, which still runs today. Originally powered by gasoline, the siren was eventually converted to run off of electricity.

External links