This thundercloud will burst upon producers with torrential force when the present arrangements cease at the end of this year.
It hangs like a black thundercloud over our economy.
The whole future of the milk industry is overshadowed by a vast thundercloud on the horizon.
It, too, arose suddenly like a thundercloud.
They are triggered by the discharges of positive lightning between the thundercloud and the ground.
However, unlike tornadoes, the rotating column of air in a gustnado "usually" does not extend all the way to the base of the thundercloud.
The electric field strength within the thundercloud is not typically large enough to initiate this process by itself.
They are triggered by the discharges of positive lightning between an underlying thundercloud and the ground.
