Temperature Temperatures were above average (0.51-1.20°C above average) or well above average (>1.20°C above average) in the entire North Island, Marlborough, Tasman, and Canterbury. Fiordland, parts ...

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.

Methane is a greenhouse gas, so scientists are investigating how these sources of methane may be connected to our warming climate. Earth Sciences New Zealand marine scientist Dr Sarah Seabrook says ...

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 ...

After nearly a year of planning we are finally underway. The crew of RV Tangaroa cast off the lines from Burnham Wharf at 4pm on January 14th and we skirted the tip of Miramar Peninsula, past the ...

For many of us, summer isn’t summer without getting some sand between our toes. But did you ever wonder what that sand is made of, and how it got there? For many of us, summer isn’t summer without ...

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 ...

Neutral El Niño – Southern Oscillation (ENSO) conditions remain present in the tropical Pacific. Residual signals indicative of weak La Niña conditions persist, and occasional La Niña-like atmospheric ...

Probabilities are assigned in three categories: above average, near average, and below average. Temperatures are very likely to be above average (60% chance). Rainfall totals are about equally likely ...

New Zealand could face twice as many of the most extreme atmospheric rivers by the end of the century, according to new research. Not only could the narrow bands of concentrated water vapour increase, ...

Thirty eight scientists and crew will set sail today for Antarctica on NIWA’s research vessel Tangaroa, with the aim of going as far south as the Ross Ice Shelf - a first for the ship. The ship, with ...

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) ...