Atmospheric analysis

As this region is sheltered by high country to the south and east, it has less wind than many other parts of New Zealand.

Tornadoes, like the one that hit Auckland's western suburbs today, are relatively rare events in New Zealand.

QGIS is a free, open source, desktop mapping tool, widely used in New Zealand in government, research, commercial and NGO arenas.

NIWA has developed a real time UV display in consultation with the Cancer Society and Sunsmart.

Find out more about emergent aquatic plants.

To prepare for changes in climate, our freshwater and oceans decision-makers need information on species vulnerability to climate change.

Tuna harvested from Lake Ōmāpere and Utakura River catchment have long comprised an important fishery for tangata whenua.

Ideas for projects using climate data

There are several ways to tell the three New Zealand eel species apart.