Teleconnections
Spatially and temporally large-scale anomalies that influence the variability of the atmospheric circulation
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Arctic Oscillation (AO)
Information on the Arctic Oscillation (AO), a large scale mode of climate variability, also referred to as the Northern Hemisphere annular mode.
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El Niño/Southern Oscillation (ENSO)
Information on the El Nino Southern Oscillation (ENSO), a periodic fluctuation in sea surface temperature and air pressure in the equatorial Pacific Ocean.
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Sea Surface Temperatures (SST)
SST anomalies for several commonly-known ENSO regions
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Outgoing Longwave Radiation (OLR)
This OLR product is a proxy for convective precipitation in the western equatorial Pacific
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Southern Oscillation Index (SOI)
Information on the Southern Oscillation Index (SOI), a standardized index based on the observed sea level pressure differences between Tahiti and Darwin, Australia.
- Sea Level Anomalies
- TAO/Triton Data Display
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Sea Surface Temperatures (SST)
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North Atlantic Oscillation (NAO)
Information on the North Atlantic Oscillation (NAO) index, which is based on the surface sea-level pressure difference between the Subtropical (Azores) High and the Subpolar Low.
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Pacific Decadal Oscillation (PDO)
Information on the Pacific Decadal Oscillation (PDO), often described as a long-lived El Nino-like pattern of Pacific climate variability.
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Pacific-North America Index (PNA)
Information the Pacific-North America (PNA) pattern, one of the most prominent modes of low-frequency variability in the Northern Hemisphere extratropics, appearing in all months except June and July.