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, ...

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 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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

This sonar technique uses a transducer in the ship’s hull to map the seafloor and create high-resolution images for the science team to plan their sampling. In addition, it gives the ship’s bridge ...

Our 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 being most intense.

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 ...