Archive for November, 2009

Mares’ tails and mackerel scales, make tall ships trim their sails

Sunday, November 29th, 2009

Or, as a variation, Make lofty ships carry low sails. In the absence of instruments, clouds are the most useful aid to weather forecasting as they are visible clues as to what is going on aloft.  Mares' tails are hooked-shaped cirrus clouds and mackerel scales are cirrocumulus which appear as bands ...