ENSO signal approaching neutral
The current El Niño phase of the El Niño-Southern Oscillation is nearing its end. Sea surface temperatures in the equatorial region of the eastern Pacific have fallen, and subsurface temperatures are now close to zero.
Most forecast models of the development of the El Niño-Southern Oscillation are predicting neutral conditions through autumn and winter.
Mean sea surface temperature departures from normal.
Update on the SOI
The mean Southern Oscillation Index (SOI) for February was -0.9, with the three month average now at -0.8.