CPC - Teleconnections: Arctic Oscillation Loading Pattern

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CPC - Teleconnections: Arctic Oscillation Loading Pattern - Daily Geopotential Height Anomalies

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HOME > Climate & Weather Linkage > Teleconnections > Arctic Oscillation > Daily Geopotential Height Anomalies

Vertical Cross section of Geopotential Height Anomalies Banner

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The daily geopotential height anomalies at 17 pressure levels are shown for the previous 120 days as indicated, and they are normalized by standard deviation using 1979-2000 base period. The anomalies are calculated by subtracting 1979-2000 daily climatology, and then averaged over the polar cap poleward of 65°N.

The blue (red) colors represent a strong (weak) polar vortex. The black solid lines show the zero anomalies.


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