This has been building for days, and suppressed from MSM. Best footage was streaming from an ARF printer repair guy.
A no-fly zone went into effect yesterday, UNTIL MAY 31, 2017.
Confirmed Twitter image of alert:
https://mobile.twitter.com/corinhoggard/status/830944293485371392/photo/1
NWS flood warning (i.e.imminent) issued for Oroville;