https://phys.org/news/2018-05-pacific.html

However, in the late 1990s scientists observed an unprecedented strengthening of these trade winds during the observational record, which was subsequently related to the early 21st century slowdown in global surface warming, extreme sea level rise in the western tropical Pacific, and a range other substantial impacts.

While their models have been able to shed light on the timing of these recent trade wind changes, they have been unable to reproduce the magnitude.