El Niño-Southern Oscillation remains neutral
Difference from average global SST (click to enlarge).
Monthly SOI values (click to enlarge).
The tropical Pacific Ocean is in a neutral state with some features of weak La Niña conditions. Neutral conditions are expected to prevail into autumn 2006.
The SOI was near neutral in December (-0.1), with the 3-month October to December average at +0.2. The equatorial trade winds have strengthened near the Date Line.
Normal cyclone activity is expected through to April 2006.