The Outdoor Warning Sirens in Anoka County may be activated for any of the following conditions:
The Outdoor Warning Siren System is tested at 1300 hours (1 PM) on the first Wednesday of each month.
When testing, sirens will sound for approximately one minute and should not repeat. In an actual emergency, sirens are sounded for approximately 3 minutes and may repeat several times.
The Outdoor Warning Sirens are meant to be heard for outdoor activities. The sirens may not be heard inside buildings.