ACCAS

ACCAS (usually pronounced ACK-kis) - AltoCumulus CAStellanus; mid-level clouds (bases generally 8 to 15 thousand feet), of which at least a fraction of their upper parts show cumulus-type development.

ACCAS An acronym for Altocumulus Castellanus.
Accessory Cloud A cloud which is dependent on a larger cloud system for development and continuance. Roll clouds, shelf clouds, and wall clouds are examples of accessory clouds.

ACCAS - permalink - collapse
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(usually pronounced ACK-kis) - AltoCumulus CAStellanus; mid-level clouds (bases generally 8 to 15 thousand feet), ...

ACCAS - AltoCumulus CAStellanus. A variant of altocumulus that forms in unstable environments where the height of each cloud element is about the same as its width.

Cbs, towering cumulus clouds, and ACCAS clouds all are visible forms of convection. However, convection is not always made visible by clouds.

Cbs, towering cumulus and ACCAS all are visible forms of convection. However, convection is not always made visible by clouds.

Cumulonibus (Cb), towering cumulus clouds, and Altocumulus Castellanus (ACCAS) clouds all are visible forms of convection. However, convection is not always made visible by clouds.

See also: Norther, Precipitation, Horizon, Radar, Instability