El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the Southwestern United States, respectively. In 2023, however, a La Niña year proved ...
The 2015–16 El Niño has likely reached its end. Tropical Pacific Ocean temperatures, trade winds, cloud and pressure patterns have all dropped back to near normal, although clearly the event's impacts ...
Sustained negative values (bottom/yellow) of the SOI below −7 may indicate El Niño, while sustained positive values above +7 may indicate La Niña.