Hazards

A New Zealand-led team has completed the fullest investigation to date into January’s eruption of the underwater Tongan volcano.

A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.

Experts are warning Kiwis to be extra cautious this summer, with ultraviolet (UV) radiation levels averaging higher compared to 2021.

Specialised monitoring equipment has been installed in Bay of Plenty estuaries to understand whether our coastal wetlands can survive the threat of inevitable sea-level rise.

NIWA and Surf Life Saving New Zealand are working together to develop a state-of-the-art, rip current identification tool.

NIWA meteorologists say last week’s atmospheric river (AR), which was responsible for widespread devastation in both the North and South Islands, was a record-breaker.

Smoke from the devastating Australian wildfires impacted the atmosphere in a way that’s never been seen before.

University of Canterbury’s Professor Matthew Wilson, one of the Mā te haumaru ō te wai research team, gives us some insight on uncertainty.weather

New Zealand’s weather is proving no exception to the record-breaking extremes occurring around the globe.

The Tongan volcanic eruption may be responsible for New Zealand’s unusually vibrant sunrises and sunsets, say NIWA scientists.

Climate change means more intense storm systems are on their way. Science can’t stop it raining, but it can help communities prepare for the worst and plan for the future.

Stacy Mohan looks at how the shockwaves from a remote Tongan island rippled through NIWA’s research community.