The cold front arrives in the southeast and it could rain heavily

The cold front arrives in the southeast and it could rain heavily


The extratropical cyclone formed yesterday on the sea, between Rio Grande do Sul and Uruguay, moves away from Brazil during the day

Strong and vast areas of instability involving southern Brazil and Paraguay were organized yesterday (4/9) as a cold front, associated with an extratropical cyclone. The highly charged clouds that form over these regions have caused heavy rains, lightning, high winds and hail.

The cold front moves towards São Paulo and spreads rain clouds over Rio de Janeiro, part of Minas Gerais and Mato Grosso do Sul.

The extratropical cyclone formed at sea, between Rio Grande do Sul and Uruguay and is moving towards the high seas, rapidly moving away from Brazil on Tuesday.

Charged clouds leave southern Brazil and cold polar air moves over the region, causing a drop in temperature.

Dry air affects north-central Brazil, leaving part of the North Region and the interior of the Northeast with few clouds.




In the southeast, heavy rains could occur with the arrival of warm and cold fronts

Weather forecast for Brazil from 05/09/2023 to Tuesday

South Region

Cold air of polar origin advances over the South Region causing a drop in temperature in the three states. With the removal of the cold front and the extratropical cyclone, the heavy clouds have left southern Brazil. The sun reappears and the rain stops over most of the Region.

In the north of Paraná it is still raining this Tuesday, but the sun appears. The coast of Paraná has cloudy skies and drizzle.

In eastern Paraná, highlands, mountains and coast of Santa Catarina, Itajaí Valley, highlands, mountains, Grande Porto Alegre and central and northern coast of Rio Grande do Sul, the sun appears all the day, but in many clouds.

In the other inland areas of the South Region the weather is clear, with sun and some clouds.

There are freezing conditions on Rio Grande do Sul’s border with Uruguay, including the Campanha Gaúcha.

Southeast region

The arrival of a cold front on the coast of São Paulo spreads heavy clouds over various areas of southeastern Brazil. The early hours of the morning are very muggy in all states, especially in Rio de Janeiro. The city of São Paulo may have had the hottest morning of the year.

The southern coast of São Paulo and Baixada Santista spend the day with cloudy skies and rain. The temperature drops a lot after yesterday’s 38°C in Santos. In Greater São Paulo, in the south and east of the state, rain begins at dawn and in the morning, but the weather turns rainy in the afternoon. The temperature drops a lot compared to yesterday. In the center, west and north of São Paulo, rain showers occur at any hour, but with periods of sunshine throughout the day

In the state of Rio de Janeiro, in the south of Espírito Santo, in the south of Minas, in the Zona da Mata Mineira, in the Triângulo Mineiro and in the central-west of Minas, the weather is sunny, cloud cover increases and showers occur in the afternoon and in the night.

In the center and north of Espírito Santo, in the north and east of Minas Gerais, the sun predominates and it is very hot.

Risk of rain and strong winds in all southeastern states.

Midwest region

Warm, moist air is still prevalent over much of the Midwest region, and storm clouds form over much of the region.

The sun prevails all day and there is no rain in the north of Goiás, in the Federal District, in the north and northeast of Mato Grosso and in the northwest of Mato Grosso do Sul (Corumbá region).

In the other areas of Goiás, Mato Grosso and Mato Grosso do Sul, including the regions of Campo Grande, Goiânia and Cuiabá, the sun appears for most of the day and there are conditions for showers with lightning in the afternoon and in the evening. night, but which in general should not be loud. But these blows are short-lived.

It can rain a lot in south-central Goiás and northeast Mato Grosso do Sul.

Northeast Region

Dry air predominates over northeastern Brazil, making it difficult for large clouds to form over the region.

Rain showers are expected during the day on the coast of Bahia and Chapada Diamantina, on the coast of Agreste and Zona da Mata da Sergipe in Ceará.

Rain is more frequent on the coast between Salvador and Recife and it can rain a lot in these two capitals.

In Maranhão, Piauí and other areas of the interior of the Northeast the day is with strong sunshine, few clouds and no conditions for rain.

North Region

Dry air predominates over parts of northern Brazil, inhibiting the growth of storm clouds.

The day continues with sun and some clouds, but no rain in Roraima (except in the north of the state), in the north and east of Amazonas, in Pará (except in the north of the state and in Tocantins.

In the center, south and west of the Amazon, in Acre and Rondônia, lightning showers can occur at any hour, with periods of sunshine.

In Amapá, in the north and on the coast of Pará, in the north of Roraima, there are showers with lightning in the afternoon and at night.

Weather alert for 05/09/2023 – Tuesday

Beware of moderate to heavy rains in the capitals São Paulo, Rio de Janeiro, Belo Horizonte, Goiânia, Rio Branco, Salvador and Recife

storm warning in the center and north of São Paulo, in the Paraíba valley and on the coast of São Paulo, in the mountains and south of Rio de Janeiro, in the Zona da Mata Mineira, in the south of Minas and in Grande Belo Horizonte

Be aware of the risk of moderate to heavy rain and lightning in the northeast of Mato Grosso do Sul, in the south and northwest of São Paulo, in Greater São Paulo, in Grande Rio and in the north-central state of Rio, in the south of Espírito Santo, in the Triângulo Mineiro, in the Goiânia and in central-southern Goiás, in the west of Rondônia, in Acre, in the region of Salvador and on the coast of Pernambuco.

Frost warning early in the morning on the border of Rio Grande do Sul with Uruguay (including Campanha Gaúcha)

Beware of strong gusts of wind between 60 km/h and 80 km/h, at dawn and in the morning, in the mountains and south of Santa Catarina, east, coast and mountains of Rio Grande do Sul

Source: Terra

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