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Canterbury
All aspects of the climate of Canterbury are dominated by the influence of the Southern Alps on the prevailing westerly airflows. -
Shifting Sands – the end of a Kiwi dream
Feature story06 June 2017The Kiwi dream of owning a beachfront property with panoramic views of the ocean is under threat—and not just for financial reasons. -
HIRDSv4 Usage
ESNZ'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. -
Coldest seawater discovered
Feature story06 June 2017The coldest seawater on earth could help scientists understand why Antarctic sea ice is growing in a warming world -
Drought
Education ResourceDefining drought and identifying its causes and impacts on humans. -
What is Ocean acidification?
NIWA oceanographer Dr Cliff Law explains the impacts of ocean acidification on organisms that use carbonates to build their shells, and on bacteria. -
Southwest Pacific Tropical Cyclone Outlook
Publication seriesA summary of up-coming tropical cyclone seasons, issued 6-monthly. -
Mean monthly sunshine (hours)
These datasets are available in a range of formats. -
Generating synthetic wind data
Research ProjectNIWA has recently created synthetic, multi-year, 10-minute wind datasets at 15 wind farm sites across New Zealand. These will be used by the Electricity Commission to model the impact of wind farms on the national grid. -
Extreme weather - winds and tornadoes
Education ResourceDue to its position in the 'Roaring Forties', a belt of strong winds in the Southern Hemisphere which generally occur between the latitudes of 40 and 49 degrees, as well as its small size, New Zealand is a windy country. -
Lesson 9: Ngā Tohu o te Taiao – Māori environmental indicators
Education ResourceThis lesson will explore the use of Māori environmental indicators [tohu] to anticipate local weather and climate conditions.