Science Art: Geostrophic and Surface-Winds at Southport, 1931


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Eight years of observations, from 1908 to 1915, went into this chart. We’re looking at deviations from geographic points, and the percentage of geostrophic wind to surface-wind for each orientation, and I’m not ashamed to say I can’t really tell half of what’s going on in this diagram.

It’s from Manual of Meteorology, Vol IV: Meteorological calculus: pressure and wind, by Sir Napier Shaw and Elaine Austin.

You can check it out at