Introduction

Sea surface temperatures in the Equatorial Pacific were close to El Niño thresholds in January 2015.

El Niño/Southern Oscillation (ENSO)

  • Sea surface temperatures in the Equatorial Pacific were close to El Niño thresholds in January 2015.
  • Regional atmospheric patterns are inconsistent with El Niño.
  • Probability for El Niño during February – April 2015 is about 60 %.

The South Pacific Convergence Zone (SPCZ)

  • The SPCZ is expected to be positioned north of normal for the coming three months.

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

  • Normal or below normal rainfall is forecast for Fiji, the Marquesas, New Caledonia and Vanuatu.
  • Normal or above normal rainfall is forecast for Western Kiribati, Samoa, Tokelau, Tuvalu, the Austral Islands and the Society Islands.
  • Normal or above normal SSTs are forecast for western Kiribati , eastern Kiribati, Tokelau and Tuvalu. Normal or below normal SSTs are forecast for Pitcairn Island.
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