A mysterious ear-piercing shrieking sound has left an Oregon neighborhood completely baffled. The loud sound randomly rings near Gales Creek Road, Forest Grove, Oregon. KOIN6 reports: Paula Lynch tells KOIN she first heard the noise about two weeks ago. Since then, she’s heard it four other times. Her neighbor has heard it three times. Both Lynch and her neighbor, who asked that her name not be used, describe the sound as loud and like a warning alarm. “It’s hard to identify what angle its coming from because it just kind of encompasses the area,” Lynch said. “We’re just hoping somebody might be able to identify it so we can report it and have it stop happening.” Both the City of Forest Grove Public Works Department and Fire Department say they don’t know where the noise is coming from. The fire department speculated the sound appeared to be some sort of air compressor, but said that crews would have to actually be in the neighborhood to identify the sound before making a determination. A spokesperson with NW Natural said there have been no reports of any problems with the gas lines in the neighborhood. The spokesperson added that, while the company does have release valves, if [...]