Anomaly
From Glossary of Meteorology
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anomaly
- The deviation of (usually) temperature or precipitation in a given region over a specified period from the long-term average value for the same region.
- In geophysics, the local deviation from the long wavelength trend, as magnetic anomaly or gravity anomaly.
- In oceanography, the difference between conditions actually observed at a station and those that would have existed had the water all been of a given arbitrary temperature and salinity.
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