We’ve covered dozens of stories of strange sounds. This is a new situation, reported by NPR.
Listen here: https://soundcloud.com/mprnews/morning-sound
The best guess is that it is the ice floes breaking up and scraping on the nearby Mississippi. Fascinating! They sound sort of musical and could be another consideration for all those strange sounds from the sky people report as “trumpets of the apocalypse”.
It’s another example of NOT jumping to supernatural or scary conclusions when these sounds are heard. It takes a little digging but it’s nothing to freak out about.
More strange sounds stories:
Tip: Mike Carnahan