Overview
- Official stations measured wind gusts near 90–100 km/h across the state, with a localized 138.9 km/h reading on the coast, as heavy rain, lightning and isolated hail swept São Paulo.
- Enel reported a substation shutdown that initially cut electricity to about 900,000 customers, and hundreds of thousands in the metropolitan area remained without power through the afternoon as repairs progressed.
- Five people were injured when an event tent collapsed in Peruíbe, and state authorities later tallied eight injured and 12 displaced in incidents that included falling trees, destelhamentos and structure failures.
- Emergency services logged hundreds of weather-related calls, including more than 280 for fallen trees by early afternoon, while flooding and tree falls were recorded in central São Paulo after the sky darkened during the strongest cells.
- Flight operations were affected as GRU diverted 15 flights and canceled 7, and Congonhas reported cancellations and alternates, while automated severe alerts and a statewide crisis cabinet guided the response and ongoing weather warnings.