The beginning of winter in Brazil will be marked by rain and the possibility of snow. According to the forecast, the main areas affected by the climate condition will be the mountains of Rio Grande do Sul and Santa Catarina.
According to Nottus meteorologist Alexandre Nascimento, the first snow of the season should fall between this Tuesday night (23) and the early hours of Wednesday (24).
According to Climatempo, in the South the polar air mass maintains firm weather in most of the region this Wednesday (24). There is a possibility of light and isolated rain in the north of the South Region, the coast of Paraná and points in the south of Rio Grande do Sul due to the flow of low-level humidity associated with the displacement of the cold front in the Southeast and maritime circulation.
Dawn on Wednesday (24) will be , with temperatures close to or below 0°C in the highest areas of Rio Grande do Sul and Santa Catarina. There are favorable conditions for widespread frost in practically the entire territory of Rio Grande do Sul, the western half, north and south of Santa Catarina, in addition to the west, southwest, central and southern regions of Paraná.
Localized fogs can also occur in valleys and areas close to rivers, but they tend to dissipate quickly. The sun appears between few clouds throughout Wednesday (24), but temperatures remain low. Wind gusts vary between 40 and 50 km/h in the eastern half of Rio Grande do Sul and in the south of Santa Catarina.
Forecast in other regions
Southeast Region: A and an area of low pressure cause moderate to heavy rain in much of São Paulo and areas of Minas Gerais and Rio de Janeiro. There is a warning for storms in the north and coast of São Paulo, Triângulo Mineiro and Baixada Santista, with high risks of accumulation. A mass of polar air drops temperatures in SP, southern MG and RJ, while the north of Minas Gerais remains dry, with humidity below 30%.
Midwest Region: The cold front also acts in this region, bringing thunderstorms for Mato Grosso do Sul, the south of Goiás and parts of Mato Grosso. Polar air keeps temperatures low in the south of the region, with the possibility of frost in the south of MS. The northeast of Goiás faces very dry air, with humidity that could fall below 20%.
Northeast Region: The climate is divided between rain on the coast and heat in the interior. Sea winds bring humidity and heavy rain to the coast between Sergipe and Bahia, while the northern strip also records intense showers. The interior remains sunny and very dry, especially in western Bahia, where humidity can be below 20%.
North Region: Heat and high humidity prevail, favoring typical rain showers in the afternoon and evening in almost the entire region, under the influence of the Intertropical Convergence Zone. States such as Amazonas, Roraima and the coast of Pará have greater conditions for storms. While Tocantins continues with firm weather and very dry air, the south of Rondônia, Acre and Amazonas they receive colder air that makes temperatures more pleasant.
*Under AR supervision.
