Cold front acts in the Southeast. Cold polar air has entered southern Brazil, MS and SP. Heat and dry air in the North-East. Humid air in the North and Midwest.
A cold front advances on the South-East of Brazil and heavy clouds spread over the four states of the Region. But a dry air mass still predominates in northern Minas Gerais and prevents rain clouds from reaching this region. With the removal of this cold front from southern Brazil, heavy clouds left the region, significantly reducing precipitation.
OR cold air of polar origin which has advanced over southern Brazil causes a sharp drop in temperature, compared to October standards, in southern Brazil and also affects parts of Mato Grosso do Sul and São Paulo.
In presence of humid and warm air over the Central-West and North of Brazil it allows the formation of heavy clouds over these regions. These clouds may cause moderate to heavy rain showers
OR dry air It predominates over the Northeast and few clouds form over most of this region.
Rain, heat, dry air, cold and frost in Brazil on 10/13/23 (Image: Goes 16/Climatempo)
Weather forecast for Brazil from 10/13/2023 to Friday
Southern region
With the removal of the cold front from southern Brazil, heavy clouds have left the region, significantly reducing precipitation.
OR cold air of polar origin which advanced over southern Brazil causes a sharp drop in temperature, by October standards.
This Friday the sun predominates over Rio Grande do Sul, in the western part of Santa Catarina and Paraná, but in some areas there may be many clouds in the morning.
Due to the atypical cold it can freeze at dawn on the border with Uruguay, in the south of Rio Grande do Sul.
In the central-east of Paraná, in the Itajaí valley and on the coast of Santa Catarina, including the capitals Florianópolis and Curitiba, there are still it rains lightly at dawn and in the morning, but during the day it should only drizzle. It is cold.
In south-central and the Santa Catarina Mountains, the the sky is cloudy and it may drizzleA. The central-northern part of Paraná has some sunny periods, but among many clouds there may still be some isolated and light rain.
South-eastern region
One the cold front advances on Rio de Janeiro and Minas Geraithe formation of heavy clouds is favored over almost the entire South-East.
OR dry, hot air still predominates on the border between Minas Gerais and Bahia and therefore it does not rain in this region, the heat in some places reaches 40°C
The cold front and the warm air that still predominates over the South-East form thick clouds that cause a lot of rain this Friday in Rio de Janeiro, in the Triângulo Mineiro, in the Alto Paranaíba, in the Gran Belo Horizonte, in the Zona da Mata Mineira, in the South of Minas and in the north and coast of São Paulo. These regions are inside thunderstorm warning. Rain can cause inconvenience to the population
In central-eastern Minas (including Vale do Rio Doce) and Espírito Santo the sun appears for several hours and rain showers occur from the afternoon onwards.
Greater Sao Paulo, South and East Sao Paulo spend the day cloudy sky and cold. It may still rain, but with light to moderate intensity. In the center, west and northwest of São Paulo, Friday features periods of sunshine, lots of clouds and rain at all times, but of moderate intensity. OR the heat decreases with the presence of cold winds of polar origin.
Midwest Region
Moist air predominates over the Midwest and heavy clouds develop over much of the region. Thus, almost all of the Midwest has a hot and muggy Friday, with sunshine and rain showers with lightning in the afternoon and evening, but occurring in isolated and short-lived ways.
The passage of a cold front through southeastern Brazil leaves the more unstable weather in Goiânia and in the central-south of Goiás and in the far north of Mato Grosso do Sul, causing the rain is more frequent and stronger in these areas
OR dry air It affects the far north of Goiás and Chapada dos Veadeiros, leaving the weather stable, with strong sunshine all day.
OR cold air of polar origin It crosses the west and south of Mato Grosso do Sul, leaving the temperature low for this time of year. The sun appears between many clouds.
North-East Region
OR dry air prevails over the Northeast and few clouds form over much of this region. Low air humidity inhibits the formation of large clouds.
Almost all of the Northeast will have a day with strong sunshine and some clouds, but no conditions for rain.
The passage of a cyclonic vortex at high levels of the atmosphere (VCAN) can cause an increase in cloud cover and rain showers throughout the day on the coasts of Maranhão and Piauí and on Cearáwhich is not common at this time.
Some rain showers They can also occur on the coast, in Agreste and in the Zona da Mata, from Rio Grande do Norte to Ilhéus, in the south of Bahia.
Northern Region
Moist, warm air predominates over the northern region of Brazil, and heavy clouds form in most of the region.
Dry air once again prevails in the Tocantins and eastern Pará, where the strong sun prevails and there is no rain.
In the southwest and south of the Amazon, in Acre and on the Rondônia border with Bolivia, the day is very cloudy and frequent rain showers, which can be heavy and voluminous.
In other areas of Rondônia and Amazonas, in Roraima, Amapá and much of Pará, the sun appears for most of the day, but there are rain showers with lightning mainly in the afternoon and nightAND. Some rain showers may be moderate to heavy
Weather warning for 10/13/2023 – Friday
Watch out for moderate to heavy rain in capital citiess Rio de Janeiro, Belo Horizonte, Goiânia, Cuiabá, Rio Branco, Porto Velho, Belém.
Special alert: danger of thunderstorms and heavy rainwith the risk of inconvenience for the population, with lightning and gusts of wind up to 90 km/h in the Zona da Mata Mineira, on the border between Minas Gerais and Rio de Janeiro, in the mountainous region of Rio de Janeiro.
Thunderstorm warning, with wind gusts up to 70 km/h in the north of São Paulo, on the coast of São Paulo, in the south, in the coast and in the north of Rio de Janeiro, in Grande Rio, in the south of Minas, Triângulo Mineiro and Alto Paranaíba, in the Grande Belo Horizonte and north-east of Mato Grosso do Sul, south of Goiás, south-west of Amazonas and in Acre
Watch out for moderate to heavy rain with lightning and gusts of wind up to 60 km/h in the south of Espírito Santo, Vale do Rio Doce (MG), north-west of Minas, in the center of Goiás (includes Goiânia), in Mato Grosso (except in the north-east of state), in Rondônia, in the central-south and west of the Amazon, on the coast and in the north-east of Pará,
Watch out for moderate rain in the center, south and east of São Paulo (includes the Greater SP), on the coast of Pernambuco and Alagoas
Be careful with very dry airwith humidity rates between 21% and 30% in the central-south and east of Maranhão, in Piauí (except the north of the state), in the north, in the west and in the Vale do São Francisco da Bahia, in inland and in the north of Minas Gerais
Source: Terra
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