A cold front that arrived on Sunday has brought heavy rains to the central-south region of Brazil, with warnings for high winds and rough seas along the southern coast, while the National Meteorology Institute predicts ongoing rain and possible thunderstorms across various states, particularly in São Paulo, Paraná, and Santa Catarina, leading to alerts for potential flooding and severe weather conditions in the coming days. #WeatherAlert #ColdFront #RainForecast