A cold front advances across southern Brazil. Heat and high humidity form heavy clouds.
The heat and the movement of a new cold front over southern Brazil form heavy clouds over the three states of the Region.
Warm, humid air predominates over northern Brazil, and in the area between Piauí, Maranhão, Goiás and northern Mato Grosso, and stimulates the formation of heavy clouds, which cause heavy rain and lightning.
A dry air mass predominates over the northeast and gains strength over the southeast, reducing conditions for rain in these regions.
The Intertropical Convergence Zone increases precipitation on the coast of Amapá, Pará and Maranhão.
(Photo: Itajubá, MG, by Alana Gabriele)
Weather forecast for Brazil from 12/29/2023 to Friday
Southern region
The last Friday of 2023 is a warning for heavy rain over Rio Grande do Sul with the arrival of a new cold front, which will advance towards Santa Catarina. Rain showers will occur throughout the day in almost all of the state of Rio Grande do Sul, but it is not expected to rain only in the very south of Rio Grande do Sul, in the region of Santa Vitória do Palmar.
In Santa Catarina and Paraná the sun is still strong in the morning, the cloud cover increases and rain showers occur in the afternoon and evening. There is a risk of moderate to heavy rain and lightning. It is very hot in both states
South-eastern region
Warm, dry air gains strength over the southeastern region, reducing humidity and rainy conditions. The day is very hot in all states.
The sun appears strong this Friday in all states. Some clouds form during the day due to the heat. Rain showers with lightning, afternoon or night, are possible in the state of São Paulo (except Vale do Paraíba), on the north coast and in Mantiqueira, in the Gran Belo Horizonte, in the central-west and north-west of Minas Gerais (includes Triângulo Miner ). These rain showers will occur in small areas and for a short duration. It can rain a lot in the north of Espírito Santo.
The capitals Rio de Janeiro and Sao Paulo are among the hottest in the country.
Midwest Region
Warm, moist air is present over much of the Midwest and heavy clouds may form in several areas of the region.
The sun appears strong in all states and the Federal District. Cloud cover increases with the heat and there is the possibility of some rain showers from the afternoon onwards across almost the entire region, but isolated and short-lived. Even so, some showers could be strong in the northeast of Mato Grosso and in the Federal District.
It is not expected to rain in the areas near the border with Bolivia.
The capitals Cuiabá, Goiânia and Campo Grande are among the hottest in Brazil.
North-East Region
Warm, dry air predominates over the northeastern region, reducing humidity and rainy conditions.
The sun appears strong and it is very hot in all states. Some clouds form due to the heat and rain showers with lightning are expected in the afternoon or evening in Maranhão, Piauí (except in the east of the state) and in the west of Bahia. Rain is more likely in Maranhão. Rain showers may also occur in the north and on the coast of Ceará.
It rains temporarily on the coast from Rio Grande do Norte to the south of Bahia
Northern Region
Warm, moist air predominates in northern Brazil and heavy clouds form throughout the region. The intertropical convergence zone increases the frequency of rainfall in Amapá and the Pará coast.
In the east and north-east of the Amazon, in the central-south of Roraima and in the west of Pará and in the north of Amapá, there are periods with sun and several showers during the day, which can be abundant.
The other areas of the Northern Region have sunny days with rain showers from the afternoon onwards, which can be moderate to heavy
Weather alert for 12/29/2023 – Friday
Watch out for moderate to heavy rain in the capitals Porto Alegre, Florianópolis, Goiânia, Brasília Palmas, Belém, Manaus, Macapá, Boa Vista, Porto Velho and Teresina
Special Warning: Danger of thunderstorms and heavy rain, with a risk of lightning and wind gusts exceeding 91 km/h in Grande Porto Alegre, on the north-central coast of Rio Grande do Sul, in the center, west and southwest of Rio Grande do Sul.
Thunderstorm warning with lightning and gusts of wind between 71 km/h and 90 km/h Campanha Gaúcha, in the extreme north of Rio Grande do Sul and the south coast of Santa Catarina, in the center and south-west of Maranhão, in the centre, west and south -west of Pará, in the center, east and north-east of Amazonas, in the extreme south of Roraima
Watch out for moderate to heavy rain with lightning and wind gusts from 51 km/h to 70 km/h on the southern coast of Rio Grande do Sul, in Santa Catarina (except in the Itajaí Valley), in the south, center, west and south-west of Paraná, in the south of Mato Grosso do Sul, in Goiás, in the Federal District, in the center, east and north of Mato Grosso, in the far north of São Paulo, in the Triângulo Mineiro and west of Minas Gerais, in Tocantins and south-west of Bahia , in Teresina and on the border of Piauí with Maranhão, in the interior of Maranhão to the north, east and coast of Pará, in Tocantins, on the coast of Amapá, in Roraima (except in the extreme south of the state), in the center, west and south of Amazonas, in Rondônia (except in the south of the state)
Watch out for moderate rain in the coastal region of Maranhão and Piauí.
Pay attention to dry air, with air humidity levels between 21% and 30%
to the west of Mato Grosso, to the north-west of Mato Grosso do Sul, to the center and north of Bahia, in the hinterland of the Northeast
Source: Terra
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