Now, Asperitas clouds are  thought to be mostly a supplementary feature of stratiform clouds, which are low elevation  layered clouds without vertical development, although asperitas have also been observed to  be stratocumulus or altocumulus.

， 斯佩里塔被认为主要是层的补充特征，层是低海拔层， 有垂直发展，尽管斯佩里塔也被观察到是层积或高积。