Scud (cloud)
From Wikipedia, the free encyclopedia
Scud clouds, a type of fractus cloud, are low, detached, irregular clouds found beneath storm clouds. These clouds are often ragged or wispy in appearance. Caught in the outflow beneath a thunderstorm, scud clouds will move faster that the storm clouds themselves; indeed, the presence of scud clouds almost always indicates the presence of an outflow.
Scud clouds are formed as the cold downdraft of a thunderstorm lifts the relatively warm air near the ground. These clouds condense as this warm, moist air saturates through ascent and is pushed outward from the storm. Scud clouds are very commonly found on the leading edge of a storm front.
Rising scud my condense and organize into a wall cloud.
