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.

  • (no image provided)

    Drought hits hard, far and wide

    Media release
    Analysis of drought conditions across New Zealand this year shows it is one of the most severe on record for some regions.
  • Hotspot Watch 23 April 2020

    Hotspot
    Moderate soil moisture increases in the western North Island and in the Far North, while soil moisture decreases were observed along the east coast and Wairarapa. Many parts of the South Island saw small soil moisture increases during the past week, although small decreases were observed in northern Canterbury.
  • (no image provided)

    Small sea-level rises to drive more intense flooding, say scientists

    Media release
    A little can mean a lot – especially when it comes to the relationship between sea level rise and coastal flooding.
  • Volunteers needed to unlock historic weather secrets 16 March 2020

    Media release
    NIWA climate scientists are asking for volunteers to help give its historic weather project a quick, sharp boost.
  • Hotspot Watch 27 February 2020

    Hotspot
    Across the North Island, slight soil moisture increases were observed during the past week as a front brought much needed rain to drought affected areas. However, soil moisture levels continue to be well below normal across the vast majority of the island. Across the South Island, soil moisture levels generally increased in the north and decreased in the south during the past week.
  • 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.
  • The man of many pathways

    Feature story
    Dr Rob Bell worked out a long time ago that sea-level rise is much more than a scientific problem. No wonder then that people say his ability to listen is one of his best traits.
  • Weathering new technology in Tonga

    Feature story
    There are about 800km between the southern and northern tips of Tonga - and a lot of ocean.
  • 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.