New Zealand Climate Update 231 - September 2018

Mean sea level pressure was below normal over and to the southwest of New Zealand during August.

For the fifth consecutive month, ENSO-neutral conditions persisted across the tropical Pacific.

September – November 2018 temperatures are forecast to be average (35 – 40% chance) or above average (35 – 40% chance) for all regions of New Zealand except the north and east of the North Island, where near average temperatures are most likely (45% chance).

The atmospheric circulation around New Zealand was forecast to be characterized by mixed flow patterns during June-August 2018.