cloudburst , a sudden, very heavy rainfall, usually local in nature and of brief duration. Most so-called cloudbursts occur in connection with thunderstorms. In these storms there are violent uprushes of air, which at times prevent the condensing raindrops from falling to the ground. A large amount of water may thus accumulate at high levels, and if the upward currents are weakened, the whole of this water falls at one time. Encyclopædia Britannica, 25 Oct. 2016, https://www.britannica.com/science/cloudburst.
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