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Inmet Issues Red Heat Warning for Center‑South Brazil

The agency says a low‑pressure system is funneling very hot air into the region with a cooling front due around October 1 expected to ease the heat.

Overview

  • Inmet set red "aviso vermelho" heat alerts starting Saturday, Sept. 26 through Wednesday, Sept. 30 that cover all of Paraná and parts of southern Goiás.
  • Temperatures are forecast about 5°C above normal for several days and could exceed 41°C locally in southern Goiás, prompting the Ministry of Health to advise hydration, cool environments, light clothing and precautions for people with chronic heart or lung conditions.
  • Regional agencies warn that where intense heat overlaps with daytime instability, especially in the West and Southwest of Bahia, storms with heavy rain, strong gusts and small‑sized hail may occur in isolated spots.
  • Local, automated city forecasts continue to show routine day‑to‑day conditions such as sun, clouds and afternoon showers but officials say the Inmet/Inema warnings are the authoritative guidance for preparation and risk management.
  • Inmet links the heat to a low‑pressure area over northern Argentina and western Paraguay that is steering hot air into the country, and the red alert signals direct risks to health and infrastructure that could raise heat‑related illness and strain local services.