NIWA collects and generates as part of its Climate Station Network observational data in “10 min” format (data reported in 10 minute intervals).

A New Zealand-led team has completed the fullest investigation to date into January’s eruption of the underwater Tongan volcano. Hunga-Tonga Hunga-Ha'apai (HT-HH) emitted the biggest atmospheric ...

We’re only halfway through the year, but new NIWA analysis shows some parts of New Zealand have already recorded more than a year’s worth of rain.

For more than a year a frozen slab of leopard seal poo sat in a NIWA freezer. The poo, known scientifically as scat and about the size of two bread rolls, is as good as gold for leopard seal ...

Cyclone Gabrielle - Hawkes Bay. NIWA's Jochen Bind surveying stop banks to assess flood water levels and stop bank breaches. The team also looked at what may have happened if the world was even hotter ...

Stories of tremendous forest fires, huge storm events, and suffocating heatwaves have dominated headlines over the past few years. We instinctively feel that our weather is getting wilder. Are we ...

Regional predictions for February – April 2022 Northland, Auckland, Waikato, Bay of Plenty The table below shows the probabilities (or percent chances) for each of three categories: above average, ...

New maps from NIWA and the Deep South National Science Challenge show areas across Aotearoa New Zealand that could be inundated by extreme coastal flooding. They show a large storm-tide with the ...

A blob of smoke from the Australian bushfires is continuing to circle the globe almost four months after it formed. Scientists around the world have been tracking the blob since it formed in December ...

A new study from NIWA has mapped outdoor air quality for Invercargill and Alexandra in more detail than ever before. Researchers found that outdoor air in the most polluted locations contained three ...

The NIWA and MetService assessment of tropical cyclone activity indicates six to 10 named TCs could occur in the Southwest Pacific from November 2024-April 2025.

Jessica Rowley talks to three NIWA researchers trying to piece together what’s happening to the world’s largest ice shelf.