Barometric gradient
pressure gradient.
the change in atmospheric pressure per unit of horizontal distance in the direction in which pressure changes most rapidly.
Historical Examples
What was the result of your work on the correlation of the velocity of the wind and the barometric gradient in Chapter X?
Practical Exercises in Elementary Meteorology Robert DeCourcy Ward
noun
the change of pressure per unit distance See adverse pressure gradient, favourable pressure gradient
(meteorol) the decrease in atmospheric pressure per unit of horizontal distance, shown on a synoptic chart by the spacing of the isobars
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