Cold, rain, chance of frost and temperatures close to 0°C: check the weather forecast

The polar air mass continues to influence the weather in Brazil this Tuesday (14), maintaining cold and frost conditions in part of the South region.

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According to Climatempo, maritime circulation still favors rain on the Southeast coast, while instability continues to affect areas of the North and Northeast. The forecast also warns of low air humidity in the interior of the country and rough seas on stretches of the Brazilian coast.

Check the weather forecast region by region:

South

The day will be marked by the predominance of a cold air mass associated with a high pressure system, guaranteeing firm weather in practically the entire southern region of the country.

On the coast of Paraná, there is the possibility of light and isolated rain due to the circulation of maritime humidity, while in other areas the weather remains firm.

Dawn remains cold, with temperatures close to 0°C in Rio Grande do Sul and Santa Catarina, and favorable conditions for the formation of frost in Serra Gaúcha and Catarinense, in the north, northwest and northeast of Rio Grande do Sul, in the center-west of Santa Catarina and in the south, northeast and central regions of Paraná, such as the Ivaí region.

Throughout the day, the sun predominates and temperatures gradually rise during the afternoon, although they remain mild and pleasant.

Relative air humidity remains under observation in the northwest of Paraná, with rates between 20% and 30%.

Southeast

The cold front will already be away over the ocean, while the maritime circulation still maintains greater cloudiness between the coast of São Paulo, Rio de Janeiro and Espírito Santo.

In these areas, the day will be cloudy, with the possibility of drizzle or light, isolated rain in the early hours and throughout the day.

In the east and northeast of Minas Gerais there is also the possibility of rain favored by maritime humidity associated with the movement of the cold front over the ocean. There is still a chance of light to moderate rain showers in the extreme east and northeast of Minas Gerais and in the center-north of Espírito Santo, decreasing until the early afternoon.

In other areas of the region, the weather remains firm, with sun between few clouds.

Temperatures remain mild during the morning and there is the possibility of occasional frosts in the southwest of São Paulo, in the Vale do Ribeira region and in the extreme south of Minas Gerais, in the Serra da Mantiqueira.

In the afternoon, temperatures rise gradually and the day remains pleasant in much of São Paulo, Rio de Janeiro, Espírito Santo and in the center-south and east of Minas Gerais, while in other areas the thermometers increase more.

Relative air humidity becomes lower again in the west of São Paulo, in the northwest and extreme west of Minas Gerais and in the Triângulo Mineiro, with rates between 20% and 30%.

The sea remains rough along the region's coast, and wind gusts can vary between 50 and 70 km/h on the north coast of Rio de Janeiro and the coastal strip of Espírito Santo.

Midwest

The weather remains predominantly stable in most of the region, while in the extreme north of Mato Grosso, humidity coming from the North region and daytime heating favor light and isolated rain throughout the day.

In other areas, the sun predominates throughout the day, with few clouds and low relative humidity levels during the afternoon in Goiás, in the Federal District, in the extreme east and southeast of Mato Grosso and in the west, southwest, southeast, east and north regions of Mato Grosso do Sul, where rates can be between 20% and 30%.

Temperatures remain high in the afternoon, while in the center-south and east of Mato Grosso do Sul and in points further south of Goiás the day remains pleasant.

Northeast

Maritime humidity continues to transport moisture to the coastal strip and, together with the advance of the cold front over the ocean, favors rain showers on the coast of Bahia, between Salvador and Porto Seguro, with moderate to heavy intensity.

On the coast between Rio Grande do Norte and Pernambuco and on the north coast of the region, between Maranhão, Piauí and Ceará, in addition to the interior of Ceará, instability increases and light to moderate rain is forecast.

In the west, southwest and central region of Maranhão, areas of instability are advancing and may cause heavier rain showers.

In the northeastern interior, the weather remains firm, with a predominance of sun and high temperatures in the afternoon, while on the coast and in the south of Bahia the day should be more pleasant.

Relative air humidity remains low in the north and center-west of Bahia, in the south and east of Piauí, in the central region of Paraíba and in the western half of Pernambuco, with rates between 20% and 30%.

The sea is rough between the south of Bahia and the Salvador region, and wind gusts vary between 50 and 70 km/h along the Bahian coast.

North

The combination of heat, high availability of moisture and the action of the Intertropical Convergence Zone (ITCZ) in areas further north maintains favorable conditions for rain showers in a large part of the region.

Instability occurs mainly between the afternoon and night, and may be accompanied by thunderstorms and gusts of wind.

The greatest instabilities are expected between Amazonas, western Acre, Roraima, northwest, east, central and western Pará, eastern half of Amapá and northern Tocantins, where there is a forecast of moderate to heavy rain and a risk of storms in the extreme north and northwest of Amazonas and in the west and interior of Roraima.

In other areas of Acre, Pará, Amapá and the southern part of Amazonas, light rain is forecast.

In the rest of Tocantins, the weather remains firm, with variations in cloudiness and low relative humidity in the center-south of the state, where rates can be between 20% and 30%.

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