Weather hazards

NIWA plays a pivotal role in weather hazards research, providing critical information and tools for assessing, monitoring, and managing weather-related risks and impacts.

  • Water dams

    Damming water for urban use, hydro-electric power generation, irrigation, and other industrial and commercial uses.
  • PARTneR (Pacific Risk Tool for Resilience)

    Research Project
    Understanding how hazards impact people and the environment provides the foundation for informed decision making for a resilient Pacific.
  • Understanding and predicting floods and their impacts

    Feature story
    Floods 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?
  • (no image provided)

    Extreme weather - heavy rainfall

    Education Resource
    Heavy rainfall is one of the most frequent and widespread severe weather hazards to affect New Zealand.
  • (no image provided)

    Extreme weather - winds and tornadoes

    Education Resource
    Due 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.
  • Edgecumbe flood damage

  • Scientists go door-to-door in Edgecumbe collecting flood information

    Media release
    Scientists will be knocking on doors in Edgecumbe next week seeking to survey the damage done to buildings from recent flooding caused when a stopbank on the Rangitaiki River breached.
  • NIWA launches New Zealand Drought Index - a one-stop drought monitor

    Media release
    A new tool to monitor drought conditions across New Zealand has been launched today by NIWA.
  • (no image provided)

    NIWA launches high resolution flood forecasting

    Feature story
    There was a common factor in the floods that hit swathes of New Zealand midway through this year – they were all forecastable.
  • Building resilience to extreme weather events in the Pacific

    Feature story
    Cyclone Pam’s furious flight path across the South Pacific in March this year illustrated the danger natural hazards pose to life, livelihoods and infrastructural development in the region.
  • (no image provided)

    Is extreme weather the new normal?

    News article
    New Zealanders have just experienced one of the driest summers on record – great for beachgoers and cricket lovers, but far from ideal for farmers and orchardists relying on rain to maintain productivity.
  • (no image provided)

    New Zealand facing greater weather extremes: international report

    News article
    New Zealand will get hotter, have more heavy rainfalls, and experience more days when the fire risk is extreme, the latest international report on climate change impacts reveals.