Probabilities are assigned in three categories: above average, near average, and below average. Temperatures are very likely to be above average (65% chance). Rainfall totals are about equally likely ...
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 any forecast guidance there would be an ...
Over 220,000 m 3 of sediment was eroded from just 9.1km of Ūawa/Hikuwai riverbanks in Gisborne (Tairāwhiti). This corresponds to 24 m 3 of sediment for each metre of river channel, or around 1,500 ...
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.
New research led by Earth Sciences New Zealand reveals that more than 750,000 New Zealanders live in locations exposed to flooding from one-in-100-year rainfall flooding events. And this number could ...
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 any forecast guidance there would be an ...
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 any forecast guidance there would be an ...
ENSO-neutral (El Niño – Southern Oscillation) conditions remain present in the tropical Pacific. In June 2025, atmospheric patterns in the Pacific continued to be intermittently consistent with weak ...
New Zealand’s ocean temperatures are rising and marine heatwaves - periods of unusually warm ocean temperatures which persist for five or more days - are becoming more frequent and severe, with ...
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 ...
David Smol, Board Chair for the New Zealand Earth Sciences Institute has announced the appointment of John Morgan as the Transition Chief Executive. This appointment is effective from 1 July 2025 and ...
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