Keep bumping into anecdotes about the bizarre sounds people are reporting.
Some are obvious fakes, like this one from Alberta:
Note the sound of tropical birds in frosty Alberta. The creator of this video released it to illustrate how easy it is to create a hoax. She filmed the outside of her apartment while one of the original “sky sounds” videos played on her laptop.
And then we have videos like this from Oregon:
What the hell is this? Trumpets of the Apocalypse? Earth resonance along the skirt of the Ring of Fire? HAARP?
Midwestern mom posting hoax videos to kill the time?