Teleconnections#
Teleconnection processes in climatology refer to large-scale, persistent patterns of atmospheric variability that connect climate anomalies across distant regions. These patterns arise from wave dynamics, such as Rossby waves, and are critical for understanding climate variability and extreme weather events.
Key examples include the Pacific-North American (PNA) pattern, the North Atlantic Oscillation (NAO), and the East Atlantic (EA) pattern. The PNA links the tropical Pacific with North American weather, influencing temperature and precipitation. The NAO, characterized by pressure differences between the Azores High and the Icelandic Low, modulates European winters and Atlantic storm tracks. The EA pattern, closely related to the NAO, affects the Mediterranean and North Atlantic regions.
Teleconnections interact with other climate modes, such as ENSO, amplifying or dampening their impacts. They influence energy transport, jet stream positions, and storm paths, with substantial socio-economic implications. Accurate simulation of these processes in climate models is crucial for seasonal forecasting and understanding climate system dynamics.
API#
Pacific/North American (PNA) Index |
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North Atlantic Oscillation (NAO) Index |
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The eastern Atlantic (EA) pattern |
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The western Atlantic (WA) pattern |
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The western Pacific (WP) pattern |
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The Eurasian pattern (EU) pattern |
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Silk Road pattern (SRP) Index |
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Circumglobal teleconnection pattern (CGT) Index |