El Niño might be underway this summer

El Niño conditions have been weak in 2014 but are experiencing a strengthening trend, reports ECMWF.

According to current forecast, there is still uncertainity concerning this summer, but El Niño contitions might be affecting the surface temperature of the Pacific.

Head here for the full study by ECMWF and check out here the latest El Niño update from WMO.