Overview
- Inmet has active alerts across 15 states, including red warnings for Rio Grande do Sul, Santa Catarina, Paraná and Mato Grosso do Sul with rain of 30–60 mm/h (50–100 mm/day) and gusts that can top 100 km/h.
- Porto Alegre recorded wind gusts up to 97.8 km/h on Sunday, with roof damage, fallen trees, power outages and water pumping stations affected, and other RS cities reporting structural losses.
- São Paulo state remains under Civil Defense advisories for strong storms from Nov. 16–18, and the capital entered a flood attention status at 12:47 p.m. Monday with storms, lightning and gusts above 50 km/h.
- Forecast models indicate the frontal system lingering between São Paulo and Rio on Tuesday and shifting Wednesday toward Espírito Santo and eastern and northern Minas, with risk in SP easing midweek.
- Authorities urge people to avoid flooded areas and trees during gusts, keep distance from power lines, secure loose objects and call 199 (Civil Defense) or 193 (Fire Department) in emergencies.