Today's UV IndexMeasured in Auckland (Leigh Marine Observatory), Paraparaumu, Christchurch, Lauder, Invercargill. Click on the thumbnail to see a larger version of each of these graphs. Time series of ...

Definitions of common terms. Alluvium: Loose, unconsolidated (not cemented together into a solid rock) soil or sediments which has been eroded, reshaped by water in some form, and re-deposited in a ...

Cyclone Gabrielle unleashed torrential rain and record floods across Hawke's Bay and Tairāwhiti in the second week of February. In the days that followed, river flow experts and hazard scientists ...

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

Gisborne, Hawke’s Bay, Wairarapa Probabilities are assigned in three categories: above average, near average, and below average. Temperatures are very likely to be above average (60% chance). Rainfall ...

Fiona Proffitt investigates the state of New Zealand's freshwater resources and the solutions science can offer As New Zealand tries to squeeze maximum value out of its natural resources, conflicts ...

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 ...

Chris Appleby and Hilary McMillan measuring river flow in Halcombe Creek, Canterbury. Predicting floods A model that is essential to understanding floods, and forecasting them, is one that simulates ...

Regional predictions for June – August 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 of ...

El Niño Southern Oscillation: what is it? El Niño and La Niña are opposite phases of a naturally occurring global climate cycle known as the El Niño Southern Oscillation, or ENSO for short. ENSO ...

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 ...

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 ...