Pressure One of the main things we have to watch to understand the weather is the presence of low and high pressure. Areas with low pressure are usually associated with bad weather. If an area has low ...

NIWA collects and generates as part of its Climate Station Network observational data in “10 min” format (data reported in 10 minute intervals).

Download a shorter version of this lesson in PowerPoint or as a PDF or continue below to see the lesson in full. The climate of New Zealand is incredibly varied for a country of its size. The warm, ...

This research project is developing an energy-efficient, net-zero-emission process for wastewater denitrification.

Weather tells you what to wear each day, while climate tells you what types of clothes to have in your closet.

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 ...

NIWA’s annual end-of-summer snowline survey has revealed continued loss of snow and ice for New Zealand’s famous glaciers.

Microbes - such as those living in wetlands, landfills or the digestive tracts of livestock – are behind unprecedented spikes in methane emissions.

Cyclone Gabrielle - Hawkes Bay. NIWA's Jochen Bind surveying stop banks to assess flood water levels and stop bank breaches. The team also looked at what may have happened if the world was even hotter ...

NIWA is using machine learning to forecast flood inundation in a fraction of the time required to run physical models.

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 ...

Commercial-scale production of kingfish - a high-value, white-fleshed finfish to complement salmon - is now a reality in New Zealand.