Wind flowing parallel to pressure isobars or contours with low pressure on the left of the observer in the Northern Hemisphere; velocity such that the pressure gradient, Coriolis, and certrifugal force acting in the area are in balance. Wind created by differing barometric pressures between high- and low-pressure systems. Velocity is generally five to 30 miles per hour, and wind shifts are usually gradual as systems move and shift.
A theoretical wind that results from a balance between the pressure gradient, Coriolis and centrifugal forces. It is a better approximation than the geostrophic wind as it accounts for the curvature of real weather systems.
Wind blowing along curved isobars with a balance of centrifugal, Coriolis and pressure gradient accelerations.