Warning situation for heavy rains in several capitals of the Northeast. In Brazil dry air still predominates, despite the arrival of the new cold front in the south
A great dry air mass of polar origin still dominates over Brazil and inhibits the formation of large clouds in most parts of the country. This Saturday, heavy clouds begin to spread over some areas of Rio Grande do Sul, with the arrival of a new cold front.
The circulation of winds at various atmospheric altitudes favors the formation of dense clouds east of the Northeast, which could cause heavy and heavy rains.
OR high heat and humidity they also form charged clouds over all the states in the northern region.
A Intertropical Convergence Zone helps spread storm clouds off the northern coast of Brazil
The cold front arrives in Rio Grande do Sul on 5/20/23
Weather forecast for Brazil for 05/20/2023
South Region
Dry weather and sunshine still prevail over southern Brazil on Saturday. The cloud cover increases during the day due to the areas of instability that are growing between Paraguay and northern Argentina and a new cold front arriving in Rio Grande do Sul. This cold front causes rain showers during the day in south-central and western Rio Grande do Sul and on the southern coast of Rio Grande do Sul. No rain is expected for other areas of the South Region.
There are still conditions for frost at dawn in southeast Paraná, in the mountains and plateaus of south and north of Santa Catarina.
Pay attention to training fog at dawn in the Greater Curitiba region.
The temperature is rising in southern Brazil, but the day is still cold.
Southeast region
Dry air of polar origin still prevails over the southeast region of Brazil this Saturday. Practically the whole Region is sunny, with little or no cloud cover during the day.
Some showers can occur on the coast of Espírito Santo, but with weak to moderate intensity. In Vitória it should only rain at night.
There are conditions for frost sunrise in southern Minas Gerais and in the Serra da Mantiqueira, in São Paulo.
Pay attention to training fog at dawn in the valleys and mountains areas and also in the Greater Sao Paulo region.
It gets cold at night and at dawn throughout the Southeast, but temperatures are pleasant in the afternoon.
Midwest region
Dry and cold air of polar origin still predominates in the central-western region of the country. This air mass is warming, but the temperature is still low at night and at dawn across the region.
Virtually the entire Midwest is sunny this Saturday. Clouds increase on the border of Mato Grosso do Sul with Paraguay, but it does not rain. Some clouds grow in central-north and west of Mato Grosso, but they don’t even cause rain.
Beware of very dry air, with humidity levels between 11 and 30 percent throughout virtually the Midwest.
Northeast Region
Sun and dry weather prevail this Saturday in interior Bahia, inland Pernambuco and south-central Piauí. All other areas of the interior and the north-east coast will be subject to showers during the day.
The situation is alert for intense and voluminous rains on the coast of Alagoas and Sergipe. There is a risk of heavy rains in the capitals Aracaju, Maceió, Recife and João Pessoa.
Rain showers with lightning, ranging from moderate to severe, are forecast for Maranhão, Northern Piauí, Ceará and Rio Grande do Norte.
Only the coast of Bahia has temporary rains.
Northern region
Rain showers with lightning strikes this Saturday in most areas of the northern region of Brazil. But most of the region also has periods of all day sunshine. The weather remains dry all day, with no rain, in south-central Tocantins, extreme southern Pará and most areas of Rondônia.
From the afternoon there may be showers in the north of Rondônia, in Acre, in the central-south of Amazonas and Pará, in the central areas of the Tocantins.
In Roraima, Amapá, in the areas north of Amazonas and Pará and north of Tocantins, showers are frequent, with lightning and the risk of heavy rains is greater.
Weather alerts for 05/20/2023 – Saturday
Watch out for moderate to heavy rains in the capitals Aracaju, Maceió, Recife, João Pessoa, Natal, Fortaleza, São Luís, Belém, Macapá, Boa Vista and Manaus
Special warning: danger of heavy and voluminous rainwith great potential for hardship for the population of the coast of Alagoas, including the region of Maceió
frost alarm for the southeast of Paraná, Serra, southern and northern highlands of Santa Catarina, in the south of Minas and in the Serra da Mantiqueira in São Paulo
storm warning on the coast of Pernambuco, on the coast of Maranhão and Pará, in Roraima and in the northwest of the Amazon
Beware of moderate heavy rains, with lightning and sometimes strong winds in the southwest of Rio Grande do Sul, on the coast of Paraíba, on the east coast of Rio Grande do Norte, on the north coast of Ceará, on the extreme north of the coast of Piauí, in the hinterland of Maranhão, a north of the Tocantins, in the center, west and east of Pará, in Amapá, in Amazonas except in the northwest and extreme south of the state, in central-west of Acre
Warning for very dry air, with humidity levels between 11% and 20% in the northwest of São Paulo, in the mining regions of Triângulo Mineiro, Alto Paranaíba and Noroeste, in Goiás, in the Federal District, in the east and south of Mato Grosso and in Mato Grosso do Sul (except in the south of the state)
Source: Terra
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