The formation of several areas of instability over Brazil causes clouds and rain showers, which can be of strong intensity this Saturday (12). The phenomenon is stimulated by the hot and humid air that is spread over the country and the circulation of winds at various levels of the atmosphere.
An area of ​​low atmospheric pressure between Paraguay and northern Argentina gains strength over the weekend, encouraging the entry of heavy clouds over the south of the country.
Warm air predominates over the country and there is no expectation of a drop in temperature over the weekend. Check out the weather forecast for this Saturday (12).
Areas of instability continue to form over the region Southeast and Saturday will be hot and muggy in every state. In São Paulo and in the Triângulo Mineiro region, the sun appears strong in the morning, the cloudiness increases throughout the day and there are forecasts of showers with lightning in the afternoon and at night. There is a risk of heavy rain, but with a short duration.
In other areas of Minas Gerais, Rio de Janeiro and EspÃrito Santo, Saturday is cloudy and rain showers at any time. It can rain heavily in the capitals Belo Horizonte, Rio de Janeiro and Vitória.
At the South , Saturday is sunny, with increasing clouds and showers with lightning in the afternoon and evening in almost all areas of the region. In the east of Paraná, in the Itajaà valley, on the northern coast of Santa Catarina and in Florianópolis, it can rain at any time and the sun appears between many clouds. The east of Rio Grande do Sul, including the Porto Alegre region, has sun all day with some clouds, but there is no forecast of rain.
Strong areas of instability are expected to advance over the South during Sunday (13) causing thunderstorms in the three states.
Saturday is hot throughout the region Midwest 🇧🇷 Sunny periods should be observed throughout the day, but between many clouds. Lightning rain showers mostly occur in the afternoon and evening across the region. The rain will be more frequent in the Federal District and in the East of Goiás. There are conditions for rain showers in all capitals of the Midwest.
During Sunday, Goiás, Mato Grosso and the Federal District will have longer periods with sun and rain showers starting in the afternoon. In Mato Grosso do Sul, the weather is more unstable, with rain in the morning and risk of thunderstorms.
Areas of instability also grow over the region North East in this Saturday. Even with increasing cloudiness, the sun appears most of the day across the region. There are conditions for rain showers on the coast and in the interior of all states, but the rain will be of light to moderate intensity. Some strong blows can happen in the interior of Maranhão, in the Center-South of Piauà and in the Center-West of Bahia.
For Sunday, the forecast is for periods with sun and rain showers in almost the entire Northeast. Dry weather will prevail in the hinterland of Alagoas and Sergipe, in the Chapada Diamantina region and in the hinterland of Bahia.
The humid and warm air that is over the region North stimulates the formation of charged clouds in all states. This Saturday, the entire region has periods of sunshine and showers with lightning, which happen mainly in the afternoon and at night. There is a risk of heavy rain showers, but of short duration.
Sunday will also be marked by periods with sun and rain showers. During the weekend, there are conditions for rain showers in all capitals of the North region.
(With information from Climatempo)
Source: CNN Brasil