anomaly, definition of

The deviation of a measurable unit, (e.g., temperature or precipitation) in a given region over a specified period from the long-term average, often the thirty-year mean, for the same region.

• Antarctica Has Sea Ice Rabbit Ears, a V for Victory or Maybe It’s a Peace Sign?…
  Image Credit: NSIDC WUWT Regular “Just The Facts” As you can see from the Southern Hemisphere Sea Ice Extent With Anomaly map above, there are currently two large fingers of anomalous Sea Ice protruding out in the Weddell Sea...

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