gcmd_keyword : TELECONNECTIONS>PACIFIC/NORTH AMERICAN (PNA) PATTERN

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definition The PNA pattern is one of the most prominent modes of low-frequency variability in the Northern Hemisphere extratropics, appearing in all months except June and July. The PNA pattern reflects a quadripole pattern of height anomalies, with anomalies of similar sign located south of the Aleutian Islands and over the southeastern United States. Anomalies with sign opposite to the Aleutian center are located in the vicinity of Hawaii, and over the intermountain region of North America (central Canada) during the Winter and Fall (Spring).
identifier 0e53e397-7836-45ec-bc62-0d54f9f176e5
label PACIFIC/NORTH AMERICAN (PNA) PATTERN
parent_identifier b887d3e5-4280-43d2-a34e-0f63ac086b6a
GCMD Metadata 0e53e397-7836-45ec-bc62-0d54f9f176e5
Ancestors PACIFIC/NORTH AMERICAN (PNA) PATTERN < TELECONNECTIONS < ATMOSPHERIC/OCEAN INDICATORS < CLIMATE INDICATORS < EARTH SCIENCE < Science Keywords