Below-average sea surface temperatures (SSTs) persisted in the central and eastern Pacific Ocean during the past month (Fig. 1). All of the latest weekly Niño index values were near -1.0ºC, except for the Niño-1+2 index which was at -0.5ºC (Fig. 2). In November 2022, negative subsurface temperature anomalies weakened (Fig.
NOAA’s Climate Prediction Center predicts current La Niña conditions in the Southern Pacific will continue through the Northern Hemisphere winter. Generally, a persistent La Niña condition means potentially a colder and stormier winter in extreme northern California and the Pacific Northwest, and warmer and less stormy conditions in the rest