Introduction

El Niño/Southern Oscillation (ENSO)

  •  Strong El Niño conditions persisted in October 2015. 
  •  Sea Surface Temperatures (SSTs) and precipitation anomalies continued to intensify in the central and eastern Pacific
  •  El Niño is certain (100% chance) to continue over the coming season (November 2015 – January 2016).    

The South Pacific Convergence Zone (SPCZ)

  • The SPCZ is expected to be positioned north of climatology in the central Pacific.

Multi-model Ensemble Tool for Pacific Island (METPI) rainfall and sea surface temperature forecasts

  •  Below normal rainfall is forecast for the Austral Islands, New Caledonia, Wallis & Futuna, Papua New Guinea, the Solomon Islands, Fiji, Samoa, Vanuatu, the Federated States of Micronesia, the southern Cook Islands, Niue and Tonga. 
  • Above normal rainfall is forecast for Eastern Kiribati, Western Kiribati, Tuvalu and Tokelau.

  • Above normal SSTs are forecast for western Kiribati and eastern Kiribati.
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Have a question about the South Pacific climate? Ask an expert: a.lorrey@niwa.co.nz