A storm like that is an 'anomaly' for this area. [=a storm like that does not usually happen in this area]
The doctor detected an 'anomaly' [='irregularity'] in my heartbeat.
(..) in weird science. Observe as I take this half dollar and place it in my hand. I'm about to cause a little-known anomaly to the laws of physics. If I hold this flame at the right distance from the coin, it will completely, somehow, (..)2015 TvShow: Bones Title: The Promise in the Palace Season: 11 Episode 7