Pacific–North American teleconnection pattern

The Pacific-North American (PNA) teleconnection pattern is a climate pattern that influences weather and climate variability across the Pacific Ocean and North America. It is characterized by alternating patterns of high and low pressure systems that can extend from the western Pacific into the western and central parts of North America. The PNA is typically represented as a four-phase pattern of anomalies in atmospheric pressure and can influence several weather phenomena, such as temperature and precipitation patterns across North America.