The cold front changes the weather in Sao Paulo. The instability should ease from the afternoon on Rio Grande do Sul. Low air humidity in the SE, CO and NE states.
Areas of instability intensified in southern Brazil and Paraguay and organized as a cold front. There is still plenty of cloud cover and a chance of rain in southern Brazil, but the rain will taper off in the afternoon across parts of Rio Grande do Sul. This Saturday this cold front advances on São Paulo, spreading heavy clouds across the entire territory. the day in the state.
Heavy clouds also grow in Mato Grosso do Sul, which can cause heavy rain.
A dry air mass affects parts of the Central-West, the South-Eastern Region, the North and the interior of the Northeast of Brazil.
Risk of heavy rain in the South, SP and MS (Photo: getty images)
Weather forecast for Brazil from 09/09/2023 to Saturday
Southern region
Areas of instability left by a cold front have spread heavy clouds over southern Brazil.
In the states of Paraná and Santa Catarina, the weather is unstable with lots of clouds and several rain showers during the day. Rain can be moderate to heavy at times. Rainfall should be heaviest in the north and north-west of Paraná.
In Rio Grande do Sul it still rains in the early hours and in the morning, with the risk of moderate to heavy rain. But the prediction is decrease in cloud cover and rain in the afternoon in the center, west and south of Rio Grande do Sul, with the appearance of the sun. It shouldn’t rain anymore at night.
South-eastern region
OR The weather changes this Saturday in the State of Sao Paulo with the arrival of a cold front. In the far west of Paulista, in the Presidente Prudente region, it can rain at any time of day and there is the risk of thunderstorms, with lightning and gusts of wind up to 80 km per hour. In the São Paulo metropolitan area, south-central, east and north-west São Paulo, rain showers with lightning are expected in the afternoon and evening, with a risk of moderately heavy rain and lightning. It is not expected to rain in the north of the state, in the regions of Ribeirão Preto and Franca.
One dry air mass prevails over Minas Gerais, Rio de Janeiro and Espírito Santo Below, the humidity of the air inhibits the formation of large clouds. The sun appears strong all day. Only the northern coast of Espírito Santo could see some quick rain. The sun predominates in the capitals of Rio de Janeiro, Belo Horizonte and Vitória.
Midwest Region
Areas of instability due to a cold front leave heavy clouds over Mato Grosso do Sul. The situation is a warning for storms across nearly the entire state. Danger of lightning and gusts of wind up to 80 km/h. In the west the showers should be less intense. There is a risk of lightning, wind and hail.
Rain showers with lightning also occur in the south and central-west of Mato Grosso, especially in the afternoon and evening, but the sun appears for most of the day. There is a risk of moderate to heavy rain.
In Goiás, in the Federal District and also in the central-east and north-east of Mato Grosso, the sun appears strong, for a long time hot all day and no rain. The humidity in the air is low, between 21% and 30%.
North-East Region
Dry, warm air predominates in northeastern Brazil, leaving most of the region without conditions for rain.
OR the sun appears strong in the north-east, but there are conditions for rain showers at any time along the entire coast, from Maranhão in the south of Bahia, in the Zona da Mata and in Agreste in the east of the region. There are conditions for rain showers in the Chapada Diamantina and in the Planalto da Conquista, in Bahia.
A rain is more frequent In the Salvador region the sun still appears all day.
Northern Region
Moist air is widespread over almost all of northern Brazil, and heavy clouds form over almost the entire region. OR dry, hot air still predominates on the central-west and south of Pará and Tocantins. There are no rain conditions in these areas. It doesn’t even rain in Acre.
In other areas of the northern region of Brazil the sun appears strong throughout the day, but it is not lacking rain showers with lightning mainly in the afternoon and night. These strokes are typically short-lived and localized to small areas.
Rain is more frequent in Roraima and there is a risk of moderately heavy rain in the central-west and north-west of the Amazon, in Roraima and also in Rondônia.
Weather alert for 09/09/2023 – Saturday
Watch out for moderate to heavy rain in the capitals Porto Alegre, Florianópolis, Curitiba, Sao Paulo, Campo Grande, Cuiabá, Belém and Boa Vista.
Thunderstorm warning (lightning and wind gusts up to 80 km/h) in the north/northwest of Paraná, in the far west of São Paulo (including Presidente Prudente), in Mato Grosso do Sul (except in the west of the state), in the extreme south/southwest of MT (Cáceres and Poconé region)
Watch out for moderate rain on the coast of Bahia, on the coastal strip of Alagoas east of the Rio Grande do Norte
Beware of moderately heavy rain and lightning at dawn and in the morning in Rio Grande do Sul (except in the south of the state)
Beware of moderately heavy rain and lightning in Santa Catarina, Paraná (except in the north/northwest), in the northwest, center, south and east of São Paulo (includes Greater SP), in the west of Mato Grosso do Sul, in the southeast, center-west and north-west of Mato Grosso, in Rondônia (except in the north/north-west of the state), in the central-west and north-west of Amazonas, in Roraima and on the coast of Pará.
Be careful of rough seas on the coast of Rio de Janeiro
Pay attention to dry air, with air humidity levels between 21% and 30% in Goiás, in the Federal District, in the east of Mato Grosso, in Tocantins, in the interior of Maranhão, Piauí, in the central-south of Ceará, in the interior of the Northeast, in the center, west and north of Bahia, in the west, center , south of Minas Gerais, in the Zona da Mata Mineira, north of Sao Paulo.
Source: Terra

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