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Text by Josélia Pegorim, meteorologist
This Saturday (19), the hot and humid air that spreads over Brazil forms very heavy clouds over almost all the Brazilian states. These clouds grow mainly in the afternoon and at night and, in addition to the rain, they cause lightning and sometimes strong winds.
A new cold front is advancing in southern Brazil, associated with an intense zone of low atmospheric pressure that will cause a strong extratropical cyclone in the region near Buenos Aires and Montevideo. This system causes gusts in areas of southern Brazil.
Saturday Weather
Summer is coming. The new station begins at 7:02 am on Monday, December 21, Brasilia time.
The last weekend of spring promises storms in many areas of Brazil.
A strong cold front advances this Saturday over the southern region of Brazil and leaves Rio Grande do Sul in danger from strong storms. It rains several times in the state throughout the day. Rains occur throughout the day in the Midwest of Paraná and Santa Catarina. In the other areas of these two states, the rain should arrive in the late evening.
In the states of the South, Southeast and Midwest regions of Brazil, Saturday is hot with periods of sun and rain in the afternoon and evening. In Goiás these blows can occur in the morning.
In the Northeast region of Brazil there are rain forecasts, which can be strong in Maranhão and Piauí and also rains for almost all of Bahia. It must not rain in the Bom Jesus da Lapa region.
Sun and showers without rays in the south and along the entire coast of Bahia and also in the east of the Northeast, from Sergipe to Rio Grande do Norte. In the Northern Region of Brazil, on the other hand, periods of sun and showers are forecast throughout the day and there is a risk of lightning.
Weather alerts for today
During this Saturday, almost all Brazilian states are alert or alert for the rain.
Dangerous situation due to electrical storms, with hailstorms and even risk of tornado in the Midwest and North of Rio Grande do Sul.
Alert for electrical storms in the southwestern center of Santa Catarina, in the south of Minas Gerais in the Belo Horizonte forest area and also in the mountainous region of Rio de Janeiro. The other areas of the river in the south of Espírito Santo, the mining triangle, the state of São Paulo Paraná, the east, the north of Santa Catarina, and the east of Mato Grosso do Sul are in attention with risk of moderate rain to strong lightning and strong gusts of wind .
Attention to moderate rains in the Salvador region.
Alert for storms also in Amazonas in the interior of Pará in the north center of Tocantins in the south center of Maranhão and in the south of Piauí. Attention to moderate rains to strong lightning and strong winds in Roraima, Amapá, in the north of Pará, north of Maranhão and north of Piauí, including the capitals Boa Vista, Macapá, Belém, São Luís and Teresina.
Attention is also paid to the rains and winds that can be strong, in the south-central Tocantins, in the north-central Mato Grosso, Rondônia and Acre. Alert for gusts of 50 to 60 km per hour in the west of Mato Grosso in the center-west and south of Mato Grosso do Sul.
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