3T22 Alert/Attack Test
Start 1:00 min.Federal Signal 3T22 siren located in Crystal, MN U.S.A. 42nd Ave. N and Douglas Dr. N.10/12 port siren. Attack signal starts at 3:00 min. The siren sounds for Tornadoes, severe storms, fire call and for civil defense. Located between the Crystal Police Department 4141 Douglas Dr N, Minneapolis, MN 55427 and the Rockford Road Library 6401 42nd Ave N, Minneapolis, MN 55427. Here is my 2017 video of this siren in 5 minute alert: • Federal Signal 3T22 Siren 5 Minute Alert.
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