Atmospheric analysis

Aotearoa’s main urban areas cover approximately 2% of total available land.

Explore our education and information section to find out about climate and climate change, weather, our atmosphere, estuaries and more.

Here is our complete range of products.

NIWA's High Intensity Rainfall Design System (HIRDS) offers planners and engineers more certainty about the frequency of high-intensity rainfall events, enabling them to better design stormwater drainage, flood defence systems and other vital structures.

We recognise that there's so much more to life than just work!

Presented papers, arranged by workshop programme.

Up-to-date drought indicator maps are shown here.

Trees are grown and converted into a range of useful timber and paper products.

The New Zealand Drought Monitor is a system for keeping track of drought conditions across New Zealand based on a standardised climate index.

This lesson will explore the use of Māori environmental indicators [tohu] to anticipate local weather and climate conditions.

CASAL is an advanced software package developed by NIWA for fish stock assessment.