INMET Extends Severe-Weather Alerts Across Center-South Brazil as New Front Triggers Storms

Overview

• Fresh yellow and orange alerts cover wide areas from Rio Grande do Sul to Goiás and the Southeast, with forecasts of 30–60 mm/h or 50–100 mm/day of rain, gusts of 60–100 km/h and localized hail risk.
• Rio Grande do Sul faces a state‑wide Inmet yellow alert through Monday with 20–30 mm/h (up to 50 mm/day) and potential hail, while the state civil defense flagged central regions for storm conditions and 80–100 km/h gusts.
• Paraná remains under dual Inmet advisories through Tuesday morning, as Simepar warns of locally intense downpours, nighttime squall lines, strong gusts and isolated hail with the front’s passage.
• São Paulo has a state‑wide yellow alert Monday and Cemaden flagged moderate risk for urban flash floods in the Vale do Paraíba, as Presidente Prudente reached 284.8 mm in 14 days and received a severe Cell Broadcast warning.
• The Rio de Janeiro region expects a daytime shift to moderate to strong storms with COR monitoring, and Inmet placed South RJ/Costa Verde under orange and yellow alerts through Wednesday, while Goiás’ Cimehgo projects statewide storms and gusts above 50 km/h.