November 2017 was characterised by higher than normal sea level pressure over New Zealand and the surrounding seas, particularly to the south of the country.
New Zealand Climate Update 222 - December 2017
12 December 2017
What happened in November, how our climate outlook for the previous three months turned out, global and local sea temperatures, and our outlook for December - February.
Download the NZ Climate Update 222 December 2017 [PDF 1 MB].
La Niña conditions are present in the tropical Pacific, as several conventional thresholds have been reached or are being approached.
December 2017 – February 2018 temperatures are forecast to be above average, with high confidence, for all regions of New Zealand (60% to 70% chance).
For September – November 2017, the atmospheric circulation around New Zealand was forecast to be characterised by lower pressure than normal west of New Zealand and higher pressure than normal to the south and east of the country.