In middle latitudes, which cloud will have the lowest base?
A
Cirrostratus
B
Stratocumulus
C
Altocumulus
D
Cirrus
Correct Answer: Stratocumulus
Low clouds (stratus, stratocumulus, nimbostratus) can form anywhere from the ground to an altitude of approximately 6,000 feet. Fog is simply a low cloud in contact with the earth's surface.