Strongly severe weather strong wind thunder thunderstorm heavy precipitation rainstorm freezing gray black dark ice storm tropical cyclone windstorm air sky atmosphere powerful approaching cloudscape cloudy cloud clouds nimbus cumulus cirrus cumulonimbus alto stratus cirrostratus stratocumulus tempest hurricane meteorology overcast tornado dusk gloaming fog disappear disappearing disappears mist evaporates during horizon regional climate nature atmospheric best spectacular magnificent real natural depressing gloomy dreary supercell drear sad somber roll cylinder imposing cinematic background landscape view typhoon wonderful fantastic excellent beautiful beauty gorgeous. UHD 4K 3840X2160