The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is ...

Future Coasts Aotearoa is empowering communities to confront climate change with practical and interactive tools designed to inspire meaningful science-based conversations around adaptation. In the ...

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 ...

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 ...

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.

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 ...

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 ...

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) ...

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 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 ...

RiskScape has been used to assess climate-related coastal flood risk in the Pacific. The tool provides critical information to allow six Pacific nations – Cook Islands, Republic of Marshall Islands, ...