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Wave hazard research
Research ProjectNIWA collects wave data, develops and verifies wave forecasting systems, and is developing and producing wave projections. -
Definitions of drought
There are several definitions of drought, depending upon whether it is viewed as a hazard or a risk. -
Marlborough
The main characteristic of the Marlborough climate is its dryness. Summer droughts are frequent, and the region is often swept by warm, dry northwesterlies. -
Island Climate Update
Publication seriesA monthly summary of the climate in the tropical South Pacific islands, with an outlook for the coming months. -
Climate change, global warming and greenhouse gases
Climate data and common terms explaining the causes and effects of climate change. -
West Coast
West Coast is New Zealand’s wettest region, and this may be attributed to its exposure to the predominant westerly airflow over the country, combined with the orographic effect of the Southern Alps. -
Understanding and predicting floods and their impacts
Feature story06 June 2017Floods are not unusual in New Zealand, but those that hit us early this winter broke records. Why did they occur? Should we expect more? Can we predict future floods? -
Climate data and activities
We provide an overview of New Zealand climate data for use in school projects. -
Tonga volcano “afterglow” causes dazzling skies in Antarctica
Media release06 June 2017Antarctica is experiencing stunning skyscapes like those recently seen in New Zealand, thanks to the afterglow effect from the Tongan volcano. -
UVI smartphone apps
Several apps that provide forecasts of the UV index (UVI) are available for smartphones.