New Zealand Climate Update 151 – January 2012

What happened in December, how our climate outlook for the previous three months turned out, global and local sea temperatures, and our outlook for January to March. 

Global Setting – December 2011

A moderate La Niña is in place in the tropical Pacific and should persist into early autumn 2012. For the January to March season, mean sea level pressures are likely to be above normal across the South Island, but below average to the north of New Zealand, with more north-easterly air flow than normal over the North Island. 

Outlook - January to March 2012

A moderate La Niña is in place in the tropical Pacific and should persist into early autumn 2012. Mean sea level pressures for late summer are likely to be above normal across the South Island and southern North Island, but below average to the north of New Zealand. Temperatures are likely to be average or above for the east South Island, and above average in all other regions. Late summer rainfall is likely to be above normal for North Island regions, normal or above in Nelson-Marlborough, and below normal for the remainder of the South Island.