Extratropical cyclone forms in southern RS and gives rise to a new cold front

One extratropical cyclone should form and give rise to a new cold front in the south of Rio Grande do Sul starting this Wednesday (21). The The formation of the weather event should stimulate more winds and thus push the heat wave that is hitting the country .

According to Climatempo, extratropical cyclones are common since their fundamental ingredients for their formation, which are horizontal temperature variations near the surface and cold fronts, occur frequently in the atmosphere.

Furthermore, air humidity is expected to remain at an emergency level in the Central-West region and smoke from fires is expected to spread across Mato Grosso, Mato Grosso do Sul and part of the interior of the country.

See the forecast for this Wednesday (21)

Southeast Region

Dry air is expected to continue to affect the entire Southeast region this Wednesday (21). Dawn may have a little more cloud in the city of Rio de Janeiro and São Paulo, as well as some humid fog on the southern coast of São Paulo.

The forecast is for the day to be very clear, sunny and with a warning of low air humidity, without rain.

Southern Region

The fThe formation of an extratropical cyclone in the south of Rio Grande do Sul should bring more winds to the state this Wednesday (21). There should be strong gusts, especially on the coast of Rio Grande do Sul, and the rain should still be restricted to the west and south of Rio Grande do Sul, with the risk of some storms.

The capital Porto Alegre and the northern half of the state are expected to remain dry and temperatures may rise throughout the day. In addition, there may be some fog in the east of Paraná and in Curitiba at dawn.

The forecast is for a sunny and stable day, but with some wind between Santa Catarina and Paraná. The air should be drier in the north-central and interior of Paraná.

Central-West Region

The forecast for this Wednesday (21) is for dry and hot air to predominate over the entire Central-West Region. There should be no rain in any of the areas.

In addition, relative humidity should remain at alert levels in the center and north of MT and GO, in the DF. In Mato Grosso do Sul, south of Mato Grosso Goiás, humidity should register levels below 12% during the hottest hours of the day.

Northeast Region

The humid winds blowing from the sea against the coast should still stimulate some humidity for the eastern strip of the Northeast Region, this Wednesday (21).

The forecast is for sunny weather, increasing clouds and rain at any time in Recife. In addition, it may rain quickly in Salvador, Aracaju, Maceió and Natal. The weather should remain stable in the other areas and in São Luís, Fortaleza and Teresina.

Northern Region

The sun should appear and the weather should remain warm throughout the North Region, this Wednesday (21). There is a chance of more irregular showers at the end of the day between the west of Acre, northwest of Amazonas and the state of Roraima.

The rain should be more temporary in Belém (PA) and the weather should remain stable in other areas and in the capitals, Manaus, Macapá and Palmas.

This content was originally published in Extratropical cyclone forms in southern RS and gives rise to a new cold front on the CNN Brasil website.

Source: CNN Brasil