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 ...
Temperature Temperatures were well above average (>1.20°C above average) for Northland, Auckland, much of the Coromandel, the east coast of the North Island, and western Tasman. Above average ...
Temperature 2025 was New Zealand’s 4th-warmest year on record, based on Earth Sciences New Zealand’s seven station series which begins in 1909. Annual temperatures were above average (0.51-1.20°C ...
Snowfall is not routinely measured in New Zealand, but is an important part both of our natural hazards and our water resources. And so we'd like your help to measure snowfall. You can measure the ...
A New Zealand-led team has completed the fullest investigation to date into January’s eruption of the underwater Tongan volcano. Hunga-Tonga Hunga-Ha'apai (HT-HH) emitted the biggest atmospheric ...
The newly described Australasian Narrow-nosed Spookfish, Harriotta avia. The Australasian Narrow-nosed Spookfish was described by NIWA Fisheries Scientist Dr Brit Finucci. It was previously thought to ...
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 ...
A new study from NIWA has mapped outdoor air quality for Invercargill and Alexandra in more detail than ever before. Researchers found that outdoor air in the most polluted locations contained three ...
A huge global study has used teabags to measure carbon storage in wetlands. Scientists, including those from NIWA, buried 19,000 bags of tea in 180 wetlands across 28 countries. This included three ...
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 ...
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 ...
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 ...
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