Selfridge Field Whelens weekly siren test 12:noon Macomb County, MI. Voice and short alert signal.

[@jacobfountain8063]

Im not far from Selfridge! People always ask why there's sirens going off around this time. 😂 i tell them its their test they do! I live within a mile radius of 3 FS modulator sirens that clinton township upgraded to along with otuer areas within the last year or so! Really cool!