© Press Democrat (file photo)People all over Sonoma County looked up at about 7:40 p.m. on Thursday, Nov. 21, when a brief series of "booms" rolled across the valleys. But there was no glow in the sky, the stars were visible in the cloudless sky. Juan Valencia of the Sonoma County Sheriff, saying the calls arrived around 8 p.m. "The rumor on social media was meteor storm." "While a sonic boom caused a meteor is unlikely, it's not impossible. "Depending on the aircraft's altitude, sonic booms reach the ground two to 60 seconds after flyover," the report continues.