Weather phenomenon in summer: "It was a very extreme situation"

Alexandra Fonseca talked about a meteorological phenomenon that occurred during the summer, describing it as a very extreme situation. The specialist indicated that the phenomenon was caused by an instability associated with the passage of an upper-level trough. This upper-level trough originated the formation of isolated convective cells. The article presents Alexandra Fonseca's explanations about the atmospheric conditions that triggered this meteorological event.