On 22 September 2025, during Super Typhoon Nando (known internationally as Ragasa), a sudden tornado tore through six barangays in Santa Maria, Ilocos Sur, in the Philippines. The Provincial Social Welfare and Development Office reported that the tornado destroyed 20 houses and partially damaged another 60, leaving dozens of families homeless.
pia.gov.ph
Research shows that La Niña conditions tend to shift the upper‑level jet stream northward and create an environment conducive to tornadoes and hailstorms, particularly in the southern and southeastern United States. This mechanism helps explain how a Pacific cyclone can spawn local tornadoes — and why extreme events are becoming more frequent and harder to predict worldwide.
Global lessons: One tropical system in the Pacific produced tornadoes in the Philippines, while other countries experience severe‑storm outbreaks during La Niñaclimate.gov. This shows that climate risks know no borders and demand integrated monitoring and forecasting.
Heading toward COP 30: The world will gather in Brazil in 2025 to discuss adaptation and resilience. Events like Santa Maria’s highlight the urgency of adopting predictive solutions that anticipate cyclones, tornadoes and hail weeks or months in advance, allowing insurers, governments and communities to prepare and protect lives.
Sipremo combines short‑, medium‑ and long‑term climate intelligence to turn data into decisions — whether in Asia, the Americas or any vulnerable region. Discover how our forecasts can strengthen your risk‑management strategy.
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