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NIWA - Latest News [Page 1]
New Zealand Could Make Better Use Of Natural Processes To Reduce The Risk Of Flooding
Thursday, 10 April 2025, 4:53 pm | NIWA
Initiatives that use or mimic natural processes can improve water management and limit the devastation caused by storms and heavy rainfall, says NIWA hydrologist Dr James Griffiths. More >>
March Was Dry For Most; Warm For The South Island - NIWA's Monthly Climate Summary March 2025
Friday, 4 April 2025, 12:42 pm | NIWA
Over March 2025, temperatures were above average or well above average for most of the South Island, as well as parts of Wellington, Taranaki, northern Hawke’s Bay, Bay of Plenty, and Northland. Temperatures were typically near average for the remainder ... More >>
'La Niña Weakens With Chance Of More Rain In New Zealand's North And East' NIWA Seasonal Climate Outlook April-June 2025
Tuesday, 1 April 2025, 2:32 pm | NIWA
The outlook notes that areas with low soil moisture and river flows need consistent rainfall to reverse the effects of dryness and drought, with below-normal river flows most likely in the north and west of the North Island. More >>
Flooding From Underneath: New Tool Reveals Shallow Groundwater Elevations
Tuesday, 1 April 2025, 12:44 pm | NIWA
Groundwater flooding is often overlooked as a threat, however it is a hazard that traditional flood defences such as stopbanks and seawalls cannot contain because the water comes up from underneath. More >>
Marine Biosecurity Watch At Port Taranaki
Tuesday, 25 March 2025, 5:49 pm | NIWA
The data that our surveys collect on species not only assists MPI’s marine biosecurity management, but also helps Taranaki Regional Council and other territorial authorities, Māori partners, industry, and the many stakeholders who benefit from a port free ... More >>
Extreme Atmospheric Rivers Could Double In Future Climate
Tuesday, 18 March 2025, 3:20 pm | NIWA
The research, led by NIWA research assistant Felix Goddard, analysed the latest climate change projections released last year by NIWA and the Ministry for the Environment, and was recently published in the Journal of Geophysical Research: Atmospheres. More >>
A Warm And Dry February For Most Regions - NIWA's Climate Summary: February 2025
Wednesday, 5 March 2025, 3:29 pm | NIWA
At the end of February, soil moisture levels were lower than normal for most of the North Island, parts of the West Coast, inland northern Canterbury, coastal parts of the South Island from Dunedin to Invercargill, and Stewart Island. More >>
Summer Overall Milder And Drier For Most Areas Of New Zealand - NIWA Release Summer 2024-25 Seasonal Climate Summary
Wednesday, 5 March 2025, 2:16 pm | NIWA
Rainfall was above normal or well above normal for some eastern parts of Canterbury, northern Hawke’s Bay, and Gisborne. The highest temperature was 34.8°C, observed at Kawerau on 29 December, while the lowest was -0.4°C, observed at North Canterbury's ... More >>
Underwater Canyon Seafloor Study Reveals Landslide And Tsunami Risk
Tuesday, 4 March 2025, 2:11 pm | NIWA
By surveying, mapping and sampling two different areas off the Wairarapa and Canterbury coasts which have previously experienced huge landslides, they hope to better understand the hazard and risk potential of large underwater canyons, says NIWA marine geoscientist ... More >>
Seafloor Of New Zealand’s Most Important Fishing Grounds Shows Resilience
Tuesday, 4 March 2025, 1:00 pm | NIWA
The research found that some aspects of seafloor ecosystems on the Chatham Rise showed an ability to recover relatively quickly from physical disturbances, such as those caused by seafloor mining and trawling. More >>
Odds Favour A Warmer Than Usual Autumn For Parts Of New Zealand - NIWA's Seasonal Climate Outlook March-May 2025
Monday, 3 March 2025, 5:11 pm | NIWA
Late summer through early autumn is the peak of the tropical cyclone season. The risk for an ex-tropical cyclone to pass within 550 km of New Zealand is normal-to-elevated through April, says Brandolino. More >>
January 2025: Cooler-Than-Average Temperatures - New Zealand’s Coldest January Since 2017
Wednesday, 5 February 2025, 3:27 pm | NIWA
The nationwide average temperature was 16.4°C, which is 0.8°C below the 1991-2020 January average. Below-average temperatures were recorded in the central and southern North Island and much of the South Island. More >>
Golden Elegant Enigma Seeks ‘2025 Bug Of The Year’ Crown
Monday, 3 February 2025, 4:33 pm | NIWA
2025 Bug of the Year: Yellow Mayfly nomination More >>
Seasonal Climate Outlook February To April 2025 By The National Institute Of Water And Atmospheric Research (NIWA)
Friday, 31 January 2025, 2:34 pm | NIWA
A La Niña Advisory is in effect, though weak and expected to be short-lived, says NIWA National Climate Centre Principal Scientist Chris Brandolino, with international guidance indicating around a 50% chance for La Niña conditions persisting through ... More >>
NIWA Seasonal Climate Outlook January-March 2025
Thursday, 9 January 2025, 1:10 pm | NIWA
January – March 2025 soil moisture levels and river flows are most likely to be near normal or below normal across the North Island and the east of the South Island, and near normal for the west and north of the South Island. More >>
December 2024 Climate Summary- New Zealand’s 5th-warmest December On Record
Wednesday, 8 January 2025, 3:11 pm | NIWA
The nationwide average temperature in December 2024 was 17.4°C. This was 1.5°C above the 1991-2020 December average from NIWA’s seven station temperature series which begins in 1909, making it the 5th-warmest December on record. More >>
NIWA Annual Climate Summary 2024
Wednesday, 8 January 2025, 2:32 pm | NIWA
2024 was New Zealand’s 10th-warmest year on record, based on NIWA’s seven station series which begins in 1909. Of New Zealand’s 10 warmest years on record, eight have occurred since 2013.The ongoing warming trend observed both locally and globally ... More >>
National Advisory: No Tsunami Activity Expected For New Zealand
Tuesday, 17 December 2024, 6:26 pm | NIWA
However, the public are advised to remain vigilant in beach and marine areas as some unusual currents may occur over the next few hours. More >>
Spring Climate Summary
Saturday, 7 December 2024, 8:30 pm | NIWA
Spring 2024 was characterised by a higher-than-normal mean sea level pressure (MSLP) over and surrounding Aotearoa New Zealand, with lower-than-normal MSLP to the southwest of the country. This generally resulted in more westerly winds than normal. More >>
November Climate Summary - Dry & Warm For Most Of The Country
Wednesday, 4 December 2024, 6:05 pm | NIWA
The nationwide average temperature in November 2024 was 14.7°C. This was 1.0°C above the 1991-2020 November average, making it New Zealand’s 13th-warmest November since NIWA’s seven station temperature series began in 1909. More >>
