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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Ocean acidification—what is it?
The on-going rise of carbon dioxide (CO2) in the atmosphere is not only changing our climate—it is also changing our oceans. -
NIWA's Hotspot Watch for 13 February 2019
Hotspot13 February 2019Across the North Island, soil moisture levels continued to decrease nearly everywhere during the past week. Across the South Island, soil moisture levels decreased nearly everywhere during the past week with little rainfall in the north, south and east. -
Unified Model Partnership – enabling accurate and timely weather and climate forecasting
A partnership that develops one of the world’s foremost weather forecasting and climate prediction systems. -
NIWA's Hotspot Watch for 7 February 2019
Hotspot08 February 2019Across the North Island, soil moisture levels decreased nearly everywhere during the past week. In the South Island, soil moisture levels decreased during the past week with meagre rainfall in the north and east. -
Mitigating ocean acidification to protect mussels
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The heatwave in numbers
Media release01 February 2019NIWA has crunched the data on this week’s heatwave and come up with the following record breakers -
NIWA's Hotspot Watch for 31 January 2019
Hotspot31 January 2019Areas deemed hotspots have expanded significantly during the past week in the North Island, while in the South Island the previous hotspot encompassing Nelson and nearby portions of Tasman has continued to strengthen during the past week. -
Voyage Update 3: Phytoplankton producers powering the world
23 January 2019. By Voyage Leader Dr Richard O'Driscoll. -
Scientists confirm warming seas around New Zealand
Media release24 January 2019The water in the New Zealand region is significantly warmer than it was 30 years ago, and all indications are the warming trend will continue, says a NIWA scientist. -
NIWA's Hotspot Watch for 23 January 2019
Hotspot23 January 2019The previous hotspot in the Far North dissipated around the Aupouri Peninsula in the past week, but has spread south into northern Whangarei and Kaipara districts. The current hotspot in Tasman could strengthen in the next week, while central Canterbury may see a new hotspot form in the coming week. -
NIWA's Hotspot Watch for 16 January 2019
Hotspot16 January 2019The previous hotspot in the Far North has expanded in size during the past week, now encompassing much of the eastern Far North and the Aupouri Peninsula. A hotspot remains in place across Nelson and nearby portions of Tasman, but no other South Island hotspots are in effect at this time. -
Sea Surface Temperature Update
Publication seriesTo give insights to sea surface temperatures, NIWA scientists have combined predictions from 8 climate models from institutes around the world.