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 ...

NIWA's Crispin Middleton is part of the team monitoring the caulerpa infestation. Photo: Irene Middleton, NIWA. NIWA is part of a multi-agency biosecurity response to an invasive seaweed discovered at ...

NIWA is pleased with the announcement today by the Science, Innovation and Technology Minister of the Government’s response to a recent review of New Zealand’s weather forecasting system. The ...

Seven nations sharing world’s longest mountain range already impacted by climate change Climate change is already reshaping life and landscapes across the world’s longest mountain range which extends ...

NIWA is using machine learning to forecast flood inundation in a fraction of the time required to run physical models. NIWA Climate, Atmosphere & Hazards platform manager Nava Fedaeff leads the ...

The newly described Australasian Narrow-nosed Spookfish, Harriotta avia. The Australasian Narrow-nosed Spookfish was described by NIWA Fisheries Scientist Dr Brit Finucci. It was previously thought to ...

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 ...

The website Ian Wishart has based his opinions on is not New Zealand’s national climate database. Wishart has conflated the Historic Weather Events website with the New Zealand National Climate ...

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 ...

January was Auckland's wettest month since records began, according to meteorologists. The Central Auckland Rainfall series recorded a total of 539 mm of rain at Albert Park, smashing the previous ...

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) ...