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Overview
- Civil Defense and Inmet warn of strong thunderstorms from November 16–18 with lightning, isolated hail and gusts ranging from 60 to 100 km/h, with rainfall of 30–60 mm per hour or 50–100 mm per day in spots.
- Higher concern areas include the Vale do Paraíba, Litoral Norte, Serra da Mantiqueira, Vale do Ribeira, Baixada Santista, the São Paulo metro area and wide swaths of the interior such as Bauru, Araraquara, Presidente Prudente, Marília, Araçatuba and São José do Rio Preto.
- In São Paulo city, the CGE reported a cool, unstable morning near 18°C with highs around 24°C and forecasts of moderate to strong showers and gusts over 60 km/h, noting November’s rainfall is at 30.8 mm, about 22.7% of the monthly average.
- Inmet broadened severe weather alerts to 15 states, with the highest risk concentrated in the South and Southeast and specific red zones indicating potential storm damage, including parts of São Paulo.
- Authorities flag risks of flooding, landslides, roof damage, falling trees and coastal swell, urge residents to follow safety guidance and call 199 (Civil Defense) or 193 (Fire Department) in emergencies, and note a gradual return to more stable conditions from Wednesday.