Extratropical Cyclone Moves Offshore After Strong Winds Lash Rio, Alerts Remain Through Sunday

Overview

• Rio de Janeiro recorded widespread tree falls, closures and outages on Saturday, with peak gusts of 77.7 km/h at Galeão and 96.4 km/h in Arraial do Cabo, according to city and state reports.
• A national Inmet alert valid through late Sunday forecasts rain of 30–60 mm/h or 50–100 mm/day, winds of 60–100 km/h and potential hail, with coastal wind danger highlighted for Paraná, São Paulo and Santa Catarina.
• São Paulo saw instability ease Saturday afternoon but maintained the risk of gusts up to about 80 km/h, with forecasters expecting the system to be farther offshore and conditions to improve on Sunday.
• Maritime authorities warned of a swell with waves of 2.5 to 3.5 meters from Santa Catarina to Armação dos Búzios through Sunday night, and emergency services kept crews in the field for debris clearance and power restoration.
• Officials confirmed a tornado linked to the frontal system in Paraná on Friday that killed at least six people and injured hundreds, while separate monitoring in Campo Grande noted a downgraded alert and no expected new impacts.