On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Extreme weather

NIWA undertakes extensive research aimed at predicting and understanding extreme weather and its impacts. Our changing climate means extreme events are expected to become more frequent and more.

  • Auckland set to break dry spell record

    Media release
    Auckland is set to break a climate record on Saturday for the region’s longest dry spell, according to NIWA forecasters.
  • Hotspot Watch 12 February 2020

    Hotspot
    Across the North Island, the past week once again featured little if any rainfall for most locations. Soil moisture levels in the lower South Island have improved markedly from last week.
  • Forecast shows Auckland region to stay dry

    Media release
    Aucklanders should not expect any decent rain for more than 10 days, says NIWA principal scientist and forecaster Chris Brandolino.
  • Hotspot Watch 19 December 2019

    Hotspot
    Across the North Island, moderate to large increases in soil moisture levels were observed in many locations due to substantial rainfall in the past week. Across the South Island, substantial rainfall contributed to moderate to large increases in soil moisture levels in the vast majority of the island.
  • The week it snowed everywhere

    Media release
    Novel handwriting recognition project casts new light on historic weather data.
  • Rare weather phenomenon possible

    Media release
    NIWA meteorologists are keeping an eye on an unusual atmospheric phenomenon that is amassing in the polar stratosphere.
  • 2019 so far - a story of weather and climate extremes

    Media release
    We’re now halfway through 2019 and NIWA climate data from the first six months tell a dramatic story of weather and climate extremes.
  • Fighting fires - one forecast at a time

    Feature story
    When fire came to Pigeon Valley, Fire and Emergency came to NIWA.
  • Volunteers needed to unlock historic weather secrets 30 October 2018

    Media release
    NIWA climate scientists are calling for volunteers to unearth weather secrets from the past – including those recorded by members of Captain Robert Scott’s doomed trip to the South Pole in 1912.
  • Marshallese benefit from new RiskScape drought tool

    Feature story
    Inhabitants of the Marshall Islands may not be able to avoid drought, but thanks to a new tool co-developed by NIWA they can now plan ahead to better manage water resources when the big dry looms.
  • Beating drought

    Feature story
    How a regional climate history helped save a farm and cure depression
  • On-call forecasting helps fight fires

    Feature story
    For the past year, NIWA’s meteorologists have been on call to provide real-time, comprehensive information about weather patterns that may accelerate a fire.