thunderstorm(A storm caused by strong rising air currents and characterized by thunder and lightning and usually heavy rain or hail; Атмосферное явление, образованное сильными восходящими воздушными потоками, характеризуемое громом и молниями, сопровождаемыми сильным дождем, иногда градом)
stormy weather(The clip, which is possibly the clearest video of the phenomenon ever captured, was filmed on Wednesday evening during an intense period of stormy weather in Alberta, Canada.unexplained-mysteries.comART Vancouver)
unexplained-mysteries.com ART Vancouver)