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Drought forecasting dashboard
NIWA and MPI are working together to develop a new drought forecasting tool. It uses innovative climate modelling, the latest in machine learning and other data-driven techniques to predict rainfall 35 days ahead. It will help farmers and growers better prepare for periods of dryness and drought.
Climate and weather
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Coldest seawater discovered
Feature story06 June 2017The coldest seawater on earth could help scientists understand why Antarctic sea ice is growing in a warming world -
Climate change, global warming and greenhouse gases
Climate data and common terms explaining the causes and effects of climate change. -
What is Ocean acidification?
NIWA oceanographer Dr Cliff Law explains the impacts of ocean acidification on organisms that use carbonates to build their shells, and on bacteria. -
How do we determine past climate?
Information about past climate is obtained from piecing evidence together from various sources. -
Southwest Pacific Tropical Cyclone Outlook
Publication seriesA summary of up-coming tropical cyclone seasons, issued 6-monthly. -
NZ Drought indicator products and information
Drought is a common feature of New Zealand's climate. On average, every year or two somewhere in New Zealand experiences a drought. -
'Eleven-station' series temperature data
Research ProjectTemperature trends from 1930s to present day -
NZ's warmest and wettest winter on record
Media release06 June 2017NIWA’s climate scientists can now confirm what you may have suspected. After carefully poring through more than a century’s worth of data, it has been officially determined that winter 2022 was Aotearoa New Zealand’s warmest and wettest on record. -
Manawatu-Wanganui
The climate of the Manawatu-Wanganui region is a reflection of the generally disturbed westerly air flow with interspersed anticyclones, modified in specific places by the local topography. -
Climate data and activities
We provide an overview of New Zealand climate data for use in school projects.