Overview
- Inmet broadened its advisories to 15 states, with red alerts centered on Rio Grande do Sul, Santa Catarina, Paraná and Mato Grosso do Sul for winds above 100 km/h and daily rain totals that can exceed 100 mm.
- São Paulo city entered a flood attention status at midday Monday as the CGE reported pockets of strong storms, while statewide guidance warns of lightning, gusts over 70 km/h and isolated hail.
- The São Paulo state civil defense sent a Cell Broadcast to Baixada Santista urging people to leave beaches and seek shelter as strong rain, lightning and gusty winds spread along the coast.
- Cemaden flagged hydrological and geologic risks in parts of Paraná, Rio de Janeiro and Minas Gerais, citing potential for urban flooding, rapid rises in streams and landslides.
- Authorities expect the highest threat through Tuesday, with a gradual return to more stable conditions from Wednesday, and advise calling 199 (Defesa Civil) or 193 (Bombeiros) in emergencies.