2025–26 South Pacific cyclone season

Common card · No. 205989

The 2025–26 South Pacific cyclone season, with only 2 tropical cyclones forming, was the least active South Pacific cyclone season on record, tied with the 1990-91 season, characterized by the latest forming named storm in recorded history. While the season officially began on 1 November 2025 and concluded on 30 April 2026, the first named system, Urmil, did not develop until late February. This record-breaking delay surpassed the previous benchmark set during the 2016–17 season. The season's inactivity was primarily attributed to a poorly organised South Pacific Convergence Zone (SPCZ) and the failure of a predicted La Niña event to fully materialise, which left atmospheric conditions unfavourable for cyclogenesis for much of the summer. Despite the low number of named storms, the season was notable for the rapid intensification of Vaianu in April, which became the most intense system of the period and ended a multi-year drought of major cyclones in the basin. The season officially started...

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