Climate

Latest news

Some of the most striking images of lockdown around the world have been the blue skies of cities ordinarily choking in smog. From New Delhi to Los Angeles, Beijing to Paris, the changes were so remarkable they were visible from space.
Coronavirus border restrictions mean six NIWA staff face four straight months at sea in a bid to keep an international ocean research project afloat.
Among the multitude of New Zealand climate statistics there is one record that continues to be broken month after month.
Scientists analysing end-of-summer snowline survey photos have estimated that 13 million cubic meters of ice have been lost from just one glacier from 2016 to 2019.

Our work

NIWA is leading a New Zealand partnership to map the South and West Pacific Ocean's seabed as part of a worldwide initiative to map the entire globe’s seafloor.
Does climate change affect the position of the Subtropical Front around New Zealand? This has important consequences for New Zealand's climate and biological productivity.

Latest videos

Glacier melt: A Time Capsule

Since 2016 enough ice has melted from the South Island’s Brewster Glacier to meet the drinking water needs of all New Zealanders for three years.

2019 New Zealand Climate Summary
NIWA climate scientist Nava Fedaeff presents the NIWA annual climate summary for New Zealand 2019.
Annual Climate Summary for 2018

New Zealand’s equal-2nd warmest year on record. Annual temperatures were above average across the majority of New Zealand, including much of the North Island as well as the western and southern South Island. See complete 2018 Annual Climate Summary details.

A large area of high pressure will take up residence east of New Zealand for the next few days, bringing more unusual springtime warmth to parts of the South Island from tomorrow through to late next week, says NIWA forecaster Seth Carrier.
An immense dome of high pressure stretched across the Tasman Sea onto the South Island yesterday, bringing the highest temperatures across New Zealand since April.
A wet month for many and warm on the eastern coasts.
Many atmospheric and oceanic indicators in the tropical Pacific are on the La Niña side of neutral, although not yet strong enough to reach La Niña thresholds.

Outlook: August - October 2017

August – October 2017 temperatures are forecast to be above average for all regions of New Zealand, with high confidence (55-70% chance for above average temperatures). Nevertheless, frosts and cold snaps will occur during the remainder of winter and in early spring. Coastal water temperatures around New Zealand are forecast to remain above average over the next three-month period.

Global setting: July 2017

ENSO (El Niño – Southern Oscillation) neutral conditions (neither El Niño nor La Niña) continued in the tropical Pacific during July 2017, but this month mixed signals were again present. In particular, some atmospheric patterns have been recently leaning more towards weak La Niña conditions.
ENSO (El Niño – Southern Oscillation) neutral conditions (neither El Niño nor La Niña) continued in the tropical Pacific during July 2017, but this month mixed signals were again present. In particular some atmospheric patterns have been recently leaning more towards weak La Niña conditions.
The latest atmospheric river over New Zealand delivered one town’s wettest day on record, and broke several other long-held rainfall statistics, according to NIWA data.
Today’s low came spinning off the coast of Hawke’s Bay funneling strong winds through the Cook Strait and hitting Wellington region with strong winds before moving on to Taranaki and Auckland this afternoon.

Global setting: June 2017

The tropical Pacific remained in an ENSO (El Niño – Southern Oscillation) neutral state (neither El Niño nor La Niña) during June 2017, but oceanic and atmospheric anomalies were mixed, with some indicators leaning towards El Niño and others towards La Niña.
Now the first six months of the year are done and dusted, NIWA forecasters have been analysing the country’s weather statistics to see where we stand compared to last year’s record breaker.
This year’s winter solstice may start mild, but by the end of the shortest day of the year on Wednesday there will be rain, wind and even some snow.

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