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May

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.

Number 80 – May 2007

April’s climate

  • South Pacific Convergence Zone (SPCZ) further north than normal in the west
  • Wet throughout southern Tonga, and parts of Fiji, with enhanced convection over Vanuatu and Tuvalu
  • Suppressed convection and low rainfall over Eastern Kiribati, Tokelau, the Northern Cook Islands, Samoa, and the Marquesas Islands
  • Warmer than normal in Samoa, Northern and Central French Polynesia, Tuvalu, Tonga, and Niue
  • One tropical cyclone in April

El Niño/Southern Oscillation (ENSO) and seasonal rainfall forecasts

  • Neutral ENSO conditions currently prevail in the tropical Pacific
  • Below average rainfall is expected over Eastern Kiribati
  • Above average rainfall is likely over the Solomon Islands and the Southern Cook Islands

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