The Southeast region of Brazil faces days of intense heat, which are expected to continue throughout the week.
On Monday (20), of the 10 highest temperatures in Brazil measured by the National Institute of Meteorology (Inmet), the majority occurred in states in the Southeast and coastal regions.
Temperatures around 39º occurred in coastal areas of São Paulo, Rio de Janeiro, and Espírito Santo, which could also be repeated today.
According to Climatempo, three factors explain the heat that makes the days suffocating.
- reduction in cloudiness and rain, with more consecutive hours of strong sunshine
- absence of cold winds of polar origin
- adiabatic heating (natural process associated with the presence of mountains, when the direction of the winds forces the air to descend down the mountain)
Climatempo says that this adiabatic process is common on the coast of São Paulo, when the northwest wind blows. The air that descends Serra do Mar will heat up by around 1ºC every 100 meters.
The dawn of January 20th was the hottest this year in São Paulo, with a minimum of 22.7ºC. The average minimum temperature in São Paulo for January is 19.4ºC.
São Paulo may have the highest temperature of the year today, with a forecast above 33ºC.
This content was originally published in Where did so much heat come from in the Southeast? Three factors explain suffocating days on the CNN Brasil website.
Source: CNN Brasil
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