A cold front is located off the coast of Rio de Janeiro and another cold front approaches Rio Grande do Sul.
One the cold front is located off the coast of Rio de Janeiro and throughout this Friday there are areas of instability in the states of the South-East Region. The greatest amount of heavy clouds forms over Minas Gerais and Rio de Janeiro.
Other the cold front approaches the coast of Rio Grande do Sul and will contribute to forming new areas of instability in southern Brazil. The combination of a sharp drop in atmospheric pressure between Paraguay and southern Brazil and the presence of forts warm, humid air currents Coming from North to South Brazil, they stimulate the formation of very heavy clouds over Paraná, Santa Catarina and Rio Grande do Sul, which will cause a lot of rain this Friday.
OR dry air It predominates over the Northeast and therefore fewer clouds form over this region.
OR humid and warm air It predominates over the North and Central-West, which facilitates the formation of more rain clouds over these regions.
Photo: Chapecó (SC), by Mateus dos Santos
Weather forecast for Brazil from 06/10/2023 to Friday
Southern region
Attention: Due to the large amount of rain that has already hit Santa Catarina this weekThe Civil Protection of Santa Catarina warns of the risk of river overflows, flash floods and flooding due to the heavy rains forecast for the weekend.
New areas of instability will grow during this Friday over southern Brazil, spreading heavy clouds that will cause further heavy rain in the three states. The only one region without rain This is the southern and southern coast of Rio Grande do Sul, where areas such as the regions of Pelotas and Bagé are located.
In the Planalto and Serra do Rio Grande do Sul, in the mountainous region and on the southern coast of Santa Catarina, The weather remains very unstablewith cloudy skies and rain throughout the day, which can be heavy and voluminous.
Northern Paraná has sunny periods for most of the day and rain showers in the afternoon and evening.
In other areas of Paraná, Santa Catarina and Rio Grande do Sul, including the metropolitan regions of Curitiba, Florianópolis and Porto Alegre, Friday will be characterized by unstable weather, with rain showers What can occur at any time. There is the possibility of a few moments with the sun, but always among many clouds.
South-eastern region
A cold front extends over the coast of Rio de Janeiro and will maintain areas of instability in the South-Eastern states throughout this Friday. The greatest amount of heavy clouds forms over Minas Gerais and Rio de Janeiro.
To the Coast of Sao Paulo, the sun shines through many clouds, but it can rain at any time, with moderate intensity. In Greater Sao Paulo and other areas of the state of Sao Paulo, the sun appears strong for most of the day and there are rain showers with lightning in the afternoon and evening.
There is a risk of thunderstorms in the south of the state of Sao Paulo.
To the coast of the state of Rio de Janeiro, the day continues with periods of sunshine among many clouds, and it can rain at any time, even with moderate intensity. Within the State of Rio de Janeiro there are also sunny periods and rain showers with lightning are expected in the afternoon and at night. There is a risk of heavy rain inland from Rio de Janeiro
In Minas Gerais, there will be periods of sunshine on Friday and several rain showers and lightning in the afternoon and evening. There is a risk of storms in the Belo Horizonte region and also in the forest area of Minas Gerais.
The sun predominates all day only on the north coast of Espírito Santo. In other areas of Espírito Santo the sun also appears all day, but there are some forecasts rain showers, also in Vitória.
The air is suffocating throughout the Southeast.
Midwest Region
Heavy clouds form over much of the Midwest as warm, moist air spreads over the region.
In the west of Mato Grosso do Sul and in the west/southwest of Mato Grosso, the the sun predominates all day and it doesn’t rain.
In other areas of Mato Grosso do Sul, in other areas of Mato Grosso, in the Federal District, throughout the state of Goiás, the sun appears for most of the day, it is hot and there are rain showers with lightning in the afternoon and evening. Some hits can be moderate to strong in intensity.
North-East Region
Dry air still predominates over the northeast and makes it difficult for large clouds and rain to form over most of the region.
To the Rain showers are expected south of Maranhão, south of Piauí, west of Bahia and south-central Vale do São Francisco. But it is hot in these regions and the sun is strong for several hours.
On the coast between Ceará and the Ilhéus region, in Bahia, the sun appears all day and it rains quickly.
For the other areas of the Northeast, a Friday with lots of sun, few clouds and very hot is expected. Temperatures around 40°C continue to occur in the interior of Maranhão and Piauí
Northern Region
Warm, moist air spreads over northern Brazil, allowing heavy clouds to form over nearly the entire region. Even with rain showers forecast, the sun appears strong in the northern region and it is very hot, with temperatures between 35°C and near 40°C in most of the region.
Intense heat increases evaporation, worsening the drought situation in the States. It generally doesn’t rain much in October in the northern region
In Amapá, in the north-east of Pará, in Acre, in Rondônia and in the extreme south-west of the Amazon, the the sun predominates and it doesn’t rain.
In other areas of the Amazon, including Manaus, in the center, west, south and east of Pará, in Tocantins and Roraima, the sun appears strong for several hours and there are isolated rain showers in the afternoon or eveningwhich can be moderate to strong.
Weather warning for 06/10/2023 – Friday
Watch out for moderate to heavy rain in capital cities Porto Alegre, Florianópolis, Curitiba, Belo Horizonte, Goiânia, Brasilia, Palmas, Boa Vista
Special alert: danger of heavy, heavy rain and thunderstormswith gusts of wind up to 80 km/h and risk of hail in the Serra and the Rio Grande do Sul Plateau, in the Serra and on the southern coast of Santa Catarina.
Thunderstorm warning, with risk of wind gusts up to 70 km/h in the south and east of Paraná (includes Grande Curitiba, in the west, north of Santa Catarina, Grande Florianópolis and Vale do Itajaí, in the north-west, west and center of Rio Grande do Sul and Grande Porto Alegre, in the south of São Paulo (Vale do Ribeira), in Grande Belo Horizonte, in the Zona da Mata Mineira, in the mountains and hinterland of Rio de Janeiro and north of Roraima
Watch out for moderate to heavy rain with lightning and gusts of wind up to 60 km/h in the Itajaí valley, in the west/southwest and center of Paraná, in the center-east and north-east of São Paulo, in the south, west and north-west of Minas Gerais, in Goiás (except in in the central-south of Goiás), in the Federal District, in Tocantins (except in the extreme north of the state), in Roraima (except in the north of the state), in the centre, north, west and south-east of Amazonas, west of Bahia, extreme south of Maranhão
Watch out for moderate rain on the eastern coast of Rio Grande do Norte up to Pernambuco
Pay attention to very dry air, with a humidity rate between 21% and 30% on the border between Rondônia and Bolivia, in the west of Mato Grosso and Mato Grosso do Sul, in the north of Bahia, in the interior of Piauí and Maranhão and in the hinterland of the Northeast.
Source: Terra
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