Previsão 11/10/2024 - Perigo entre SC, PR e MS. Temporais em SP, MG e ES

Summary

A low-pressure system moving over southern Brazil has led to the development of a cold front, resulting in unstable atmospheric conditions. Heavy rain and thunderstorms are expected in the central and southern regions, particularly in Santa Catarina and Paraná, with wind gusts up to 90 km/h and a risk of hail. Meanwhile, the northeastern states will remain dry under a high-pressure system. While temperatures rise, the weather remains humid and overcast in many areas. Cities like São Paulo will experience warmth, whereas places like Porto Alegre will see cooler temperatures. Overall, significant weather events are anticipated across various regions.

Takeaways

• 🌧️ A low-pressure system over southern Brazil is generating a new cold front.
• 🌩️ The potential for thunderstorms is increasing in central and southern Brazil.
• 💨 Wind circulation in the mid and lower atmosphere is contributing to heavy cloud formation.
• ☔ The only areas expected to remain dry are the northeastern states, influenced by dry air masses.
• ⚠️ There is a risk of heavy, persistent rain in Santa Catarina, Paraná, and southern Mato Grosso do Sul.
• 💨 Wind gusts could reach up to 90 km/h, with possible localized hail in some areas.
• 🌧️ Florianópolis is predicted to have cloudy and rainy weather by the end of the week.
• ⚡ Increased thunderstorm risk is forecasted for São Paulo and surrounding areas.
• 🌡️ Temperatures are rising, leading to a humid and muggy feel across much of the country.
• 🌞 The northern regions are expected to be sunnier, with humidity dropping below 30%.

Q & A

What weather event originated from the low pressure moving across the south of Brazil?

A new cold front was formed, leading to unstable atmospheric conditions and an increased potential for storms.

Which regions of Brazil are expected to experience heavy rain?

The central and southern regions of Brazil, particularly areas in Santa Catarina, Paraná, and the extreme south of Mato Grosso do Sul, are expected to receive significant rainfall.

What are the expected wind speeds associated with the storms in southern Brazil?

Wind gusts may reach up to 90 km/h, with localized occurrences of hail possible in some areas.

How will the weather affect the city of Florianópolis?

Florianópolis is forecasted to have a closed and rainy weekend, with a risk of heavy rain and storms.

What conditions are anticipated for São Paulo and the surrounding regions?

São Paulo and areas like Pouso Alegre in southern Minas Gerais will face increased risks of storms, with strong winds and potential for heavy rainfall.

What is the expected weather for the northeastern states of Brazil?

The northeastern states are likely to remain sunny and dry, with humidity dropping below 30%.

Which areas are at risk of high winds despite not experiencing rain?

The northern coastline of Rio Grande do Sul and southern Santa Catarina may see high wind speeds exceeding 90 km/h.

What temperature extremes are expected in major Brazilian cities?

São Paulo could reach a maximum of 27°C, while Goiânia might experience highs of 34°C, and Manaus could see temperatures soar to 39°C.

What impact will the atmospheric conditions have on the temperature in Porto Alegre?

Porto Alegre is expected to have cooler temperatures, with highs not exceeding 22°C due to overcast weather conditions.

How will the rain and wind affect the weather along the southeastern coast of Brazil?

The southeastern coast, from Rio Grande do Sul to Rio de Janeiro, will experience rough seas and increased wind speeds, impacting coastal conditions.