Weather5280 Insider
What a weakening La Niña could mean for spring and summer temperature and precipitation patterns across the Plains
By Brian BledsoeMar 25, 2021
In recent weeks, we have seen some changes take place with the ongoing La Niña episode, primarily in that it has weakened by quite a bit. The series of graphics below shows that trend. Sea Surface Temperature Anomaly Change Sub Sea Surface Temperature Anomaly Change Two very noticeable things are occurring. 1) the pronounced cold pool at the surface has warmed and almost disappeared and 2) the colder than average water that existed down to about 150 meters in the Central/Western Pacific has