Cyclone Vaianu (2026)
Cyclone Vaianu was a severe tropical cyclone in the South Pacific during the 2025–26 South Pacific cyclone season.
Cyclone Vaianu was a severe tropical cyclone in the South Pacific during the 2025–26 South Pacific cyclone season. It formed on 3 April 2026, reached severe tropical cyclone intensity, and later affected Fiji and New Zealand’s North Island with damaging winds, heavy rain, flooding, and power outages.
Meteorological history
Cyclone Vaianu formed on 3 April 2026 and quickly strengthened as it moved through the South Pacific. Sources describe it as reaching severe tropical cyclone intensity, with peak winds reported near 185 km/h before it began transitioning to a subtropical or extratropical system.
Impact in Fiji
As Vaianu passed near Fiji, it produced heavy rainfall, flooding in low-lying areas, strong winds, and marine hazards. Reports noted rainfall totals exceeding 140 mm in some places and the issuance of flash-flood and gale warnings.
Impact in New Zealand
Vaianu affected New Zealand’s North Island in April 2026, bringing damaging winds, heavy rainfall, flooding, coastal inundation, and power outages. Media reports described evacuations of hundreds of residents and outages affecting thousands of homes.
Forecasts and warnings
New Zealand’s meteorological service issued strong wind and heavy rain watches and warnings ahead of the storm’s approach. Officials warned of potentially life-threatening winds, landslides, storm surge, and coastal flooding in exposed areas.
Key facts
- Cyclone Vaianu formed on 3 April 2026 and became the first severe tropical cyclone of the 2025–26 South Pacific cyclone season.
- It reached peak winds near 185 km/h and a central pressure around 954 hPa.
- The cyclone brought heavy rain, flooding, and strong winds to Fiji.
- In New Zealand, it caused flooding, power outages, and evacuations across the North Island.
- The system transitioned from tropical to subtropical and later extratropical as it moved south.
Frequently asked questions
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References
- Wikipedia — https://en.wikipedia.org/wiki/Cyclone_Vaianu_(2026)Supports: Formation date, season placement, and general classification as a severe tropical cyclone.
- The Guardian — https://www.theguardian.com/world/2026/apr/12/cyclone-vaianu-new-zealand-north-island-floods-power-outages-hundreds-evacuatedSupports: New Zealand impacts, flooding, outages, evacuations, and landfall reporting.
- U.S. Mission New Zealand — https://nz.usembassy.gov/weather-alert-u-s-mission-new-zealand-tropical-cyclone-vaianu/Supports: Warnings, watches, and forecast movement across New Zealand.
- Zoom Earth — https://zoom.earth/storms/vaianu-2026/Supports: Track and reported peak intensity details.
- Hauraki Gulf Weather — https://www.haurakigulfweather.com/cyclone-vaianu-2026Supports: Formation, intensity, Fiji impacts, transition, and New Zealand impacts.
- Reuters — https://www.reuters.com/business/environment/new-zealand-braces-cyclone-vaianu-north-island-evacuations-ordered-2026-04-11/Supports: Forecasts, evacuation orders, and expected hazards in New Zealand.