According to Inmet, the most affected regions are: a large part of the South-East, in addition to certain parts of the South and Center-West.
Summary
Brazil is facing an intense heat wave with alerts for 1,284 municipalities in eight states, record temperatures and health impacts, requiring special attention from the population.
In recent days, an intense heatwave has affected several regions of the country. According to a report published by the National Institute of Meteorology (Inmet), around 1,284 cities, spread across eight states, are on red alert for this phenomenon.
Due to the heatwave, temperatures in affected areas could be up to 5°C above average within three to five days. The Amber Alert may also indicate attention to the possibility of hazardous weather events, with the phenomenon typically expected within 72 hours.
As a result, the weather is expected to start returning to normal from Monday 29 until 6 p.m.
Affected areas
According to Inmet, the regions most affected by the intense heatwave are a large part of the South-East, as well as parts of the South and Center-West. In São Paulo, for example, the capital recorded 35.9 °C on Thursday 25, breaking the record for the hottest December day since 2024. Rio de Janeiro also faced extreme temperatures, with 40.1 °C, the highest ever recorded in the city.
Why does this happen
According to the agency, the heatwave is due to an atmospheric blockage installed in part of the country. The phenomenon makes it difficult for cold fronts and other weather systems to advance; As a result, dry weather and high temperatures prevail for several days. Faced with this scenario, authorities and health-related organizations have reinforced the importance of hydration and care during sun exposure.