Regional predictions for July – September 2024 The tables below show the probabilities (or percent chances) for each of three categories: above average, near average, and below average. In the absence ...

Kevin Mackay, Marine Geologist / TESMaP voyage leader. Kevin in the seismic lab at Greta Point looking at the Hunga Tonga-Hunga Ha'apai volcano 3D map. [Photo: NIWA-Nippon Foundation TESMaP / Rebekah ...

NIWA’s annual end-of-summer snowline survey has revealed continued loss of snow and ice for New Zealand’s famous glaciers. End of summer snowline survey, Tasman Glacier. The 2023 survey was the 46th ...

Scientists have found a new ghost shark that lives exclusively in the deep waters of Australia and New Zealand. The Australasian Narrow-nosed Spookfish was described by NIWA Fisheries Scientist Dr ...

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 ...

Tropical cyclone outlook summary for New Zealand On average, at least one ex-TC passes within 550 km of New Zealand each year. This season, the risk is considered normal-elevated. If an ex-TC tracks ...

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 ...

Outlook Summary El Niño has officially arrived. A majority of NIWA’s criteria for classifying an El Niño event were satisfied during September. In particular, the Southern Oscillation Index was firmly ...

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 ...

Impact Assessment Tool map view of results with all layers enabled. The planning and recovery tool provides scenario and probabilistic model frameworks for risk assessment of cyclone-related hazards ...

Coldest, driest, windiest, iciest, highest, most southerly – Antarctica is a continent of extremes. It’s bigger than Europe and has ice covering 98% of its land, at a hefty average thickness of nearly ...

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 ...