Extratropical cyclone and cold front cause storms in the south of the country

The formation of an extratropical cyclone and a cold front on the coast of the southern region is expected to cause an increase in instability and rain in different areas of southern Brazil this Tuesday (26). According to Climatempo, despite the advance of the system, the expectation is that the phenomenon will have weak to moderate intensity and will not repeat the intense cold recorded in recent days.

According to meteorological forecasts gathered for the week, the system begins to organize itself between the coast of Rio Grande do Sul and Santa Catarina, favoring the formation of heavy clouds and rain showers in a large part of the region. The biggest impacts are expected to occur between Paraná, Santa Catarina and areas in the north of the state of Rio Grande do Sul.

There is a forecast of moderate to heavy rain in practically all of Paraná, in a large part of Santa Catarina and also in the center, north and east of Rio Grande do Sul. In areas of the west and south of Paraná, center and west of Santa Catarina and the extreme north of Rio Grande do Sul, the scenario includes a risk of isolated storms, with thunderstorms and gusts of wind.

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According to meteorological projections, the cyclone should not present characteristics of great intensity. The strongest gusts predicted in coastal areas in the north of Rio Grande do Sul and the coast of Santa Catarina could reach up to 70 km/h, while at sea the winds could occasionally exceed this level. The estimated atmospheric pressure for the center of the system remains above the level normally associated with the most intense cyclones.

The tendency is for both the cold front and the cyclone to quickly move away from the coast on Wednesday (27), reducing the conditions for rain in the South. Moderate gusts may still occur on the coast of Santa Catarina and Paraná, but the weather should clear up in most of the region.

With the passage of the system, a new mass of cold air advances over the South and causes a drop in temperatures, especially during the nights and early mornings. Even so, meteorologists indicate that the cooling will be more moderate than that recorded in recent weeks and the risk of frost remains low, concentrated in higher areas of the mountains of Rio Grande do Sul and Santa Catarina.

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Accumulated rain forecast for Tuesday (26) and Wednesday (27) - Reproduction/Inmet
The week will see a change in the weather pattern in Brazil
In addition to the effects in the South, the last week of May should be marked by changes in the behavior of the weather in different regions of the country. According to the National Institute of Meteorology (Inmet), while the cold is losing strength in the center-south, rain is gaining ground again in areas of the Southeast and remains frequent in the North and on the coast of the Northeast.

Weather forecast: Storms hit the South and Southeast again this week | CNN PRIME TIME

In the Southeast, the expectation is for a gradual increase in instability between Wednesday (27) and Thursday (28), with the cold front advancing along the coast and the possibility of rain in areas of São Paulo, Rio de Janeiro and southern Minas Gerais. In the Central-West, firm weather prevails and the return of heat, with temperatures rising throughout the week.

In the Northeast, the alert remains for persistent rain in coastal areas, especially between Maranhão, Piauí and Ceará and also in the eastern part of the region, where there is the possibility of high accumulations. In the North, the pattern continues of frequent storms and high volumes of precipitation in states such as Amazonas, Pará, Amapá and Roraima.

Projections for the beginning of June indicate the passage of a new cold front along the South and Southeast coast, but with no expectation of intense cold or large volumes of rain.

Source: CNN