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High Intensity Rainfall Design System (HIRDS)
ServiceHIRDS is a simple online tool that can estimate the magnitude and frequency of high intensity rainfall at any point in New Zealand. -
High-resolution climate projections using physics and AI
Research ProjectNIWA researchers are developing a physics-informed and artificial intelligence (AI)-driven method to vastly reduce the computer power needed to provide accurate climate change projections. -
Updated national climate projections for New Zealand
Research ProjectThe development of updated national climate projections for Aotearoa New Zealand was completed in 2024. -
High resolution drought forecasting
Research ProjectNIWA and the Ministry for Primary Industries (MPI) are working together to develop a new drought forecasting tool. -
Seasonal Climate Outlook
Publication seriesAir temperature, rainfall, soil moisture and river flow predictions for the coming season. -
Providing climate change advice for New Zealand
ServiceRegional-scale climate projections assist local authorities to assess climate risks and help communities prepare for impacts. -
Warming oceans prompt major overhaul of how we monitor El Niño and La Niña
Media release01 October 2025Global warming is changing how we monitor one of the world’s biggest climate drivers, says Earth Sciences New Zealand. -
This year’s winter snow ‘abysmal’ for many
Media release04 September 2025Winter snowfall was well below average for much of the country, says Earth Sciences New Zealand. -
Rain from tropical cyclones to increase under warmer climate
Media release07 August 2025New high-resolution modelling predicts that rainfall from tropical cyclones will significantly increase under global warming. -
Extreme atmospheric rivers could double in future climate
Media release18 March 2025New Zealand could face twice as many of the most extreme atmospheric rivers by the end of the century. -
New Zealand Reanalysis (NZRA) dataset
Research ProjectNIWA has produced a high-resolution regional atmospheric reanalysis dataset, the New Zealand Reanalysis (NZRA). -
NIWA can help you leverage updated climate projections
ServiceNIWA is using updated climate projections to help New Zealanders better understand climate-related risks.