Mackerel Sky Meaning. This is reflected in the associated weather lore. Mackerel-sky meaning A sky covered with many small cirrocumulus or altocumulus clouds resembling the markings found on a mackerel.
Usually it indicates the transient levels and presence of moisture which can result in thunderstorms or rain showers if the lower cumulus clouds transform to the altocumulus form. A Mackerel sky is a sky that is streaked with rows of small white clouds which resemble the pattern of scales on a mackerels back. 2003-2012 Princeton University Farlex Inc.
MACKEREL SKY noun Sense 1.
A sky filled with rows of cirrocumulus or small altocumulus clouds. MACKEREL SKY noun Sense 1. So called because of a resemblance to the scales on a mackerel. 2003-2012 Princeton University Farlex Inc.
