March 2018 was characterised by significantly higher pressure than normal to the east of New Zealand.
New Zealand Climate Update 226 - April 2018
6 April 2018
What happened in March, how our climate outlook for the previous three months turned out, global and local sea temperatures, and our outlook for April-June.
Download the NZ Climate Update 226 April 2018 [PDF 1.3 MB].
Weak La Niña conditions continued in the tropical Pacific during March 2018, but trends in low-level winds and in sub-surface ocean temperatures during the month indicate that the event is coming to an end.
April – June 2018 temperatures are forecast to be above average for all regions of New Zealand with high confidence (60% chance).
For January – March 2018, the atmospheric circulation around New Zealand was forecast to be characterized by higher pressures than normal east and south of the country, while lower pressure than normal was forecast over the Tasman Sea area, extending over the country.