With February approaching and the La Niña likely to persist, it is useful to examine some scenarios concering AO/PNA combinations during La Niña events. Since 1950, there have been 18 occasions during which the February ENSO Region 3.4 anomaly came to -0.50 or below: 1950, 1956, 1963, 1968, 1971, 1974, 1976, 1981, 1985, 1986, 1989, 1996, 1999, 2000, 2001, 2006, 2008, and 2009. During such cases, the PNA, in general, typically exerted greater influence over the nationwide temperature anomalies t