The El Niño persisted in the past couple of months with sea surface temperatures in the central to eastern equatorial Pacific warming further. Taking into account the latest oceanic observations and forecasts by a number of climate models around the world, the El Niño is expected to persist through the rest of 2015.
(Source: National Oceanic and Atmospheric Administration, USA)
Figure 1. Sea surface temperature anomalies of 31 May - 27 Jun 2015 in degree Celsius.
1. The next update will be available in the latter half of September 2015.