A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent. Regions experiencing significant soil moisture deficits ...

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 ...

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 ...

A new NIWA-led study has found that climate change increased the amount of total rainfall during Cyclone Gabrielle by 10%. This additional rain fell during the most intense parts of the storm, ...

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 (TC) activity for the coming season indicates normal to below normal activity. (Tropical cyclones are categorised in strength from 1 to 5, with 5 ...

Temperature 2024 was New Zealand’s 10th-warmest year on record, based on NIWA’s seven station series which begins in 1909. Annual temperatures were above average (0.51-1.20°C above the annual average) ...

The tables below show the probabilities (or percent chances) for each of three categories: above average, near average, and below average. In the absence of any forecast guidance there would be an ...

Annual temperatures were above average (+0.51°C to +1.20°C above the annual average) for much Aotearoa New Zealand. Well above average temperatures (>1.20˘C above the annual average) occurred in parts ...

A NIWA-led study has found New Zealand’s native forests are absorbing more carbon dioxide (CO 2) than previously thought. Study leader, NIWA atmospheric scientist Dr Beata Bukosa, says the findings ...

NIWA has developed a Photarium using the latest 3D printing technology to more safely identify and measure fish species that live in our waterways. According to Statistics NZ, 76 percent of the 51 ...

A new species has been named after favourite Wellington brewpub Fork and Brewer. NIWA Marine Biologists Rachael Peart (left) and Kareen Schnabel (right) with competition winner, Fork and Brewer's Head ...