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

Multiple Choice

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