Arcus clouds are low-level, wide ranging clouds typically associated with powerful storm clouds and thunderstorms.
Height of base: Up to 6500 ft. Shape: Wedge shaped, or a long rolling horizontal column. Latin: Arcus = Arch. Precipitation: None directly, but heavy showers in the vicinity from cumulonimbus clouds. What are arcus clouds? Arcus clouds are spectacular low-level, long and thin clouds associated