Anomaly
Climate Change
a deviation from the average or usual state.
Anomaly Deviation of a meteorological quantity value in a given region from the normal (mean) value for the same period.
Astrophysics
Something that is out of the ordinary. For example if in a set of 1000 two winged, two legged, one headed, (essentially normal) chickens, one of them had three wings, and two heads, that chicken would be an anomaly in the set.
- — The Universe Adventure Glossary retrieved 2014-05-20
Weather
The deviation of a measurable unit (e.g., temperature or precipitation) over a period in a given region from the long-term average, often the thirty-year mean, for that region.