ASAS reduces rainfall across parts of the Southeast and Midwest

ASAS reduces rainfall across parts of the Southeast and Midwest


Rain showers occur across almost the entire country. The rain intensifies again in southern Brazil.

Heavy clouds are growing over almost all of Brazil with the high availability of heat and humidity observed over the country. This is a typical situation for this time of year and already characterizes the summer climate. The season will officially begin on December 22, at 00:27 Brasilia time. But for Meteorology the months of December, January and February are part of the so-called meteorological summer.

High air pressure in the South Atlantic leaves the eastern Northeast, Espírito Santo, northern and eastern Minas Gerais with little cloud cover and little chance of rain. This Wednesday, high pressure will push further into Brazil and reduce the amount of clouds over the Central West.

The drop in atmospheric pressure on the coast of Rio Grande do Sul will increase heavy rain conditions in the southern region.




Photo: Brasilia (DF) by Aiane Resende

Weather forecast for Brazil from 06/12/2023 to Wednesday

Southern region

This Wednesday, more clouds they grow in southern Brazil due to the drop in atmospheric pressure on the coast of Rio Grande do Sul and the moist, warm air that spreads over the region. The entire southern region is subjected to heavy rain throughout the day.

In the center, west, south-west and south of Rio Grande do Sul the day is cloudy and rains several times, but there are periods of improvement. Heaviest rain is expected at the extreme south of Rio Grande do Sul, the Campanha region and the southern coast of Rio Grande do Sul, where wind gusts can reach 90 km/h.

In the east and north of Rio Grande do Sul, in the mountains, in the center, west and north of Santa Catarina, in the southwest/west, south, center and north/northwest of Paraná, the day is very cloudy and it rains a any time, but every now and then the sun comes out. It could rain heavily.

Greater Curitiba, the Paraná coast, the Itajaí Valley, the south and the Santa Catarina coast have periods with sunshine and rain showers with lightning mainly in the afternoon and at night. There is a risk of Heavy rain.

South-eastern region

OR warm, moist air predominates in the southeast and heavy clouds develop over almost the entire Region. The high atmospheric pressure of the South Atlantic influences the reduction of cloud cover and conditions for rain in Espírito Santo, in the north and in the east of Minas Gerais.

In the north/northwest of Minas Gerais, in the regions of Minas Gerais Vale do Rio Doce and Vale do Jequitinhonha, in most areas of Espírito Santo and on the north coast of Rio de Janeiro, the climate is sunny, with strong sun, very warm and without rain. It may rain in some places in the far north of Espírito Santo.

In the Grande Rio and other areas of the state of Rio de Janeiro, in the Zona da Mata Mineira, in the south of Minas, in the Grande Belo Horizonte, in the west of Minas Gerais and in the Triângulo Mineiro and throughout the state of São Paulo, IL The sun comes out strong and it’s hot all day. In all these regions, due to the heat and high humidity of the air, clouds form rain showers with lightning in the afternoon and night.

Some blows can be strong. The greatest risk of thunderstorms is recorded in southern Minas, southern Rio de Janeiro, Mantiqueira and Vale do Paraíba, in Sao Paulo.

Midwest Region

OR moist, warm air is still widespread over the Central-West, but this Wednesday the cloud cover over the Region tends to decrease due to the influence of the high pressure of the Southern Atlantic which strengthens over the Central-West.

YouThe sun appears strong over the entire region and the heat increases compared to the last three days. On Wednesday, the amount of clouds will decrease and the sun will appear stronger and longer across the Midwest. Rain showers with lightning will return in the afternoon and evening, but isolated and with lower intensity in all states and the Federal District.

There is still the risk of moderate to heavy rain in the south of Goiás, in the center, south and east of Mato Grosso do Sul.

North-East Region

OR dry air prevails over much of the Northeast, inhibiting the occurrence of rainfall. Warm, humid air influences Ceará, Piauí and Maranhão.

The states of Bahia, Sergipe, Alagoas, Pernambuco, Paraíba and Rio Grande do Norte spend most of the day with lots of sun and few clouds. But there is a possibility of temporary rain on the coast, in the Mata forest area and in Agreste. The region of There may be moderate rain in Salvador.

In Maranhão, Piauí and Ceará the day is sunny, hot and rains with lightning, especially in the afternoon and at night. There is the possibility of heavy rain in Maranhão.

Northern Region

OR warm, humid air It predominates over the northern region and heavy clouds are growing in all states. Areas of instability occur most frequently over Acre and Amazonas.

In the far north of Amapá, in the central-west of Acre, in the central, western and southern Amazonia there are sunny periods, always with many clouds and rain showers at any time. There is a risk of thunderstorms.

In the other areas of Amapá, Acre and Amazonas and in the other states of the Northern Region of Brazil the sun appears strong and there are rain showers with lightning mainly in the afternoon and night. There is a risk of moderate to heavy rain.

Weather warning for 06/12/2023 – Wednesday

Watch out for moderate to heavy rain in capital cities Porto Alegre, Florianópolis, Curitiba, São Paulo, Rio de Janeiro, Campo Grande, Manaus, Porto Velho, Rio Branco Boa Vista, Belém, Macapá, São Luís and Teresina.

Special warning: danger of heavy rain and thunderstorms, with wind gusts exceeding 91 km/h on the southern coast of Rio Grande do Sul and in Campanha Gaúcha.

Thunderstorm warning with lightning and wind gusts between 71 km/h and 90 km/h in Rio Grande do Sul (except on the southern coast of Rio Grande do Sul and in Campanha Gaúcha), in the west of Santa Catarina, in the south-west and in the south of Paraná, in Vale do Paraíba and Mantiqueira, in São Paulo, south of Minas, south of the state of Rio de Janeiro, center-west of Acre, south, center and west of Amazonas, far north of Amapa.

Watch out for moderate to heavy rain with lightning and wind gusts from 51 km/h to 70 km/h in Santa Catarina (except in the west of the state), in Paraná (except in the south-west and in the south of the state), in Sao Paulo (except in the Vale do Paraíba and Mantiqueira), in Rio de Janeiro (except in the south of the state and the north coast), in the Triângulo Mineiro and in the Zona da Mata Mineira, in the south of Goiás, in the center, south and east of Mato Grosso do Sul, in Rondônia, in the central-east of Acre, in the central-north and south-east of Amazonas, in Roraima, in the centre, north and east of Pará, in the north of Tocantins, in Amapá (except in the extreme north of the state), in Maranhão, in the Teresina region (PI).

Watch out for moderate rain on the coast of Bahia, between Salvador and Ilhéus

Pay attention to dry airwith air humidity levels between 21% and 30% in the interior of the Northeast, in the interior of Bahia and in the north/northwest of Minas Gerais.

Source: Terra

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