La Nina 2024 Pacific Northwest Region. The current sea surface temperature (sst) in the key monitoring region, called the nino3.4 index, is only 0.1c below average, but in a warming world it has become more difficult to meet the la. El niño and la niña are climate patterns in the pacific ocean that can affect weather worldwide.

El niño weakened substantially over the past month, and we think a transition to neutral conditions is imminent. In this outlook, we analyze the latest forecasts, assess the historical influences of la niña, and provide predictions for the 2024 pacific hurricane season in.