Altocumulus clouds are more than just beautiful patterns in the sky — they can be powerful indicators of upcoming weather changes. From fair skies to looming storms, their shapes, heights, and ...
Altocumulus undulatus or Altocumulus stratiformis undulatus with the ‘unda’ referring to the Latin term for wave. Atlocumulus undulatus or altocumulus stratiformis undulatus spotted Jan. 3 2021.