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New Zealand Climate Update 192 - June 2015

What happened in May, how our climate outlook for the previous three months turned out, global and local sea temperatures, and our outlook for June-August.

New Zealand Climate Update, June 2015 [PDF 766 KB]

Global setting – May 2015

An El Niño event is now under way in the tropical Pacific. In the second half of May, the Pacific trade winds weakened substantially and the Southern Oscillation Index (SOI) dropped below -1, indicating coupling had been achieved between the warmer sea surface temperatures and the overlying atmospheric circulation.

Outlook – June to August 2015

Temperatures are equally likely to be average or above average in all regions of New Zealand except in the north of the North Island, where temperatures for the next three months as a whole are most likely to be in the near normal range. Note that cold snaps and frosts are to be expected in some parts of the country as we progress into winter.

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