ナショナルジオグラフィックさんのインスタグラム動画 - (ナショナルジオグラフィックInstagram)「Video by Keith Ladzinski @ladzinski | A time-lapse of a massive supercell cloud spins over the town of Imperial, Nebraska, dropping a wall of rain and hail in its path. This spiraled shape is classified as a “mothership” in the meteorology world, and it's sculpted by a strong rotation coupled with rapid lifting air. Supercells can can stretch for hundreds of miles and are known for dropping powerful tornados at their center. To see more storm chasing photos, please visit @ladzinski」10月11日 11時40分