Atmospheric analysis

Southland is both the most southerly and most westerly part of New Zealand and generally is the first to be influenced by weather systems moving onto the country from the west or south.

Generally speaking, a drought is defined as a rainfall deficit which restricts or prevents a human activity – for example, farming or power generation.

Digital copies of all our annual reports published since 2011.

Sometimes wind can feel like a bit of a mystery because we can feel it, but not see it.

Dog Island levels

How do agricultural activities potentially influence water flows?

NIWA's research on freshwater monitoring and reporting is one of three research areas within the 'Values, Monitoring and Outcomes' (VMO) programme led by Landcare Research.

Common questions about clouds, how they are formed and how they behave.

A carbon neutral activity is one that has a carbon footprint of zero.

Reports produced by NIWA’s air quality research.