A resident recorded the sound; you can hear it below. One woman told KATU that the noise has woken her up several times. Another woman said she’s heard the noise for weeks and at all hours.
Read more: fox8.com
<blockquote class="twitter-tweet" data-lang="en"><p lang="en" dir="ltr">Mystery sound frustrates people in a west Forest Grove neighborhood. Where it could be coming from? <a href="https://twitter.com/hashtag/LiveOnK2?src=hash">#LiveOnK2</a> @ 11pm <a href="https://t.co/p0inj5TBr2">pic.twitter.com/p0inj5TBr2</a></p>— Chris Liedle (@chrisliedle) <a href="https://twitter.com/chrisliedle/status/699468731508850688">February 16, 2016</a></blockquote>
It's obviously coming from something ffs. Why they can't find the source is beyond me.
It's friggin' LOUD!