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Rescuers Search for Missing in São Paulo as Expanding Alerts Warn of Heavier Rains Across Brazil

Forecasters expect the South Atlantic Convergence Zone to re-form next week with a high risk of multi-day heavy rain.

Overview

  • The São Paulo capital spent Friday under citywide flood alerts, with a stream overflow reported in the East Zone and flooding across ABC municipalities such as Santo André and Mauá.
  • Firefighters are searching for two people missing after a flash flood in the city’s south dragged vehicles into a córrego, with damage and transport disruptions reported across the metro area.
  • INMET issued and expanded storm warnings across several regions, including an alert covering 313 municipalities in Paraná and severe conditions forecast for Rio Grande do Sul and Santa Catarina.
  • Local governments decreed emergencies after severe downpours, including Rio Claro, where Cemaden measured 107.2 mm in about one hour, and Osvaldo Cruz, which recorded 1,297 lightning strikes, 60.5 km/h winds and infrastructure damage.
  • Weekend forecasts point to fronts and troughs driving storms in the South and Southeast, with Climatempo indicating a renewed ZCAS from Monday that could deliver 200–400 mm in parts of MG, ES and RJ, and São Paulo authorities planning a crisis cabinet for Sunday and Monday.