Cyclone Triggers Storm Warnings in the South as Heat Protocol Hits Level 3 in Rio

Overview

• Inmet issued an orange alert through midday Sunday for the South, forecasting 30–60 mm/h (50–100 mm/day) of rain, 60–100 km/h winds and isolated hail with risks of outages, treefall and flooding.
• São Paulo saw Saturday evening downpours and gusts up to 70 km/h with localized flooding attention, and forecasts point to a hotter Sunday near 36°C with very low humidity and extreme UV before showers return early next week.
• The storm risk forms a broader corridor that also reaches parts of the Center‑West and interior of São Paulo state, including coastal wind alerts on the northern São Paulo coast.
• Rio de Janeiro is under Protocolo de Calor level 3 with forecast highs of 39–40°C on Sunday and Monday; the state set up hydration points at 27 UPAs, reinforced SAMU coverage and Cedae distributed 10,000 liters of cold water on Saturday.
• Health authorities advise frequent hydration, light clothing, sunscreen and avoiding direct sun from 10 a.m. to 4 p.m., with residents told to follow municipal and state updates for evolving conditions.