Experts say the downpour was intensified by an extreme weather phenomenon known as the Mesoscale Convective Complex (MCC)—a massive storm system capable of unleashing torrential rain over a wide area ...

“By analyzing the parent lightning discharges, we discovered that the sprites were triggered by high-peak current positive ...

Instead, they form within massive, highly electrified storm systems known as Mesoscale Convective Systems (MCS) which are large clusters of thunderstorms that behave as a single weather system.