Island Climate Update 179 - August 2015

An overview of the present climate in the tropical South Pacific Islands, with an outlook for the coming months, to assist in dissemination of climate information in the Pacific region.

14 August 2015

An overview of the present climate in the tropical South Pacific Islands, with an outlook for the coming months, to assist in dissemination of climate information in the Pacific region.

Download ICU 179 (PDF 600 KB)

Download ICU Water Watch (PDF 338 KB)

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Island Climate Update

In this issue

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    Introduction

    El Niño conditions continued to strengthen during July 2015.

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    El Niño/Southern Oscillation (ENSO)

    Sea Surface Temperatures (SSTs) have continued to increase in the central and eastern Pacific.

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    South Pacific Convergence Zone forecast August to October 2015

    The ensemble of global climate models for rainfall that are used in METPI show an area of higher than normal rainfall associated with the SPCZ position.

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    Tropical rainfall and SST outlook: August to October 2015

    The dynamical models are all in agreement to forecast continuing El Niño conditions over the August-October 2015 period.

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    ICU Water Watch

    Based on rainfall anomaly classification over the past six months and forecast rainfall anomaly classification over the next 3 months.

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    Data sources

    Sources of South Pacific rainfall data