Midwestern farmers used to say "mare's tail and mackerel scales bring the storm down on you head"; Mare's tails are cirrus clouds and mackerel scales are cirrostratus. When this sequence is followed by altostratus the old farmers were talking about an approaching ___________front.
A) cold
B) warm or cold
C) warm
D) none of these

Question

Quizplus · Accepted Answer

The sequence of clouds described (cirrus, cirrostratus followed by altostratus) typically indicates an approaching warm front. These cloud types are associated with the gradual overrunning of warm air over cooler air, which is characteristic of warm fronts.

Midwestern Farmers Used to Say "Mare's Tail and Mackerel Scales