0 a large, tall type of cumulus cloud that is often dark and brings heavy rain or a thunderstorm -- 積雨雲（一種高空濃密的大積雲，帶來大雨或雷暴）
It also forms from the outflow of tropical cyclones or the anvils of cumulonimbus cloud.
Satellite pictures showed a vortex arrangement consisting of three cloud masses and two arching bands of cumulonimbus clouds, all of which were producing cirrus outflow.
Stratocumulus castellanus may develop into cumulus congestus (and even further into cumulonimbus) under auspicious conditions.
This means that the parent cloud could quickly grow to become a cumulonimbus cloud and continue to grow into a cumulonimbus incus cloud.
Near the end of the competition the weather deteriorated with cumulonimbus clouds and rain showers.
Cumulus and cumulonimbus clouds bearing precipitation follow immediately after the passage of the wall-like bar.
It is therefore one of three warning clouds often recorded by the aviation industry, the other two being towering cumulus and cumulonimbus.
Although these weather phenomena are all related to cumulonimbus clouds, they form and develop under different conditions and geographic locations.
