Uploaded March 2022 | Updated September 2026, 2 hours ago

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I filmed this video in 2013 during the monthly Minnehaha County Siren Test while passing through Valley Springs, South Dakota. Testing is conducted every First Saturday for Minnehaha County and every First Friday for Sioux Falls.


Siren Model: Federal Signal Thunderbolt 1003

Signal: Wail/Attack

Location: Valley Springs, South Dakota in Minnehaha County

Camera Model: Apple iPhone


My email and social media links can be found here: derek605wx.com

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Copyright © 2013 Derek Thompson
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