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Manawatu-Wanganui
The climate of the Manawatu-Wanganui region is a reflection of the generally disturbed westerly air flow with interspersed anticyclones, modified in specific places by the local topography. -
Investigating ocean acidification
Feature story06 June 2017The world’s oceans are acidifying as a result of the carbon dioxide (CO2) generated by humanity. -
Clouds
Education ResourceCommon questions about clouds, how they are formed and how they behave. -
What is the chance of a warm summer in Invercargill?
In this activity you will analyse the Southern Oscillation Index and investigate the chances of getting below normal, normal or above normal summer temperatures in Invercargill. -
Obtaining climate data from NIWA
NIWA maintains the national climate database for New Zealand, and can supply data in a variety of ways. -
Map W South
Education ResourceThe climate of this area is greatly dependent on its exposure to weather systems from the Tasman Sea and the lie of the Southern Alps to the east. -
2012-2013 Drought
The 2012-2013 drought affected the entire North Island plus the west coast of the South Island. -
Canterbury
All aspects of the climate of Canterbury are dominated by the influence of the Southern Alps on the prevailing westerly airflows. -
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. -
Tornadoes - how frequently do they hit New Zealand?
News article06 June 2017Tornadoes, like the one that hit Auckland's western suburbs today, are relatively rare events in New Zealand. -
Drought
Education ResourceDefining drought and identifying its causes and impacts on humans.