Change Date: 6 Dec 2023, 9:37 a.m.
eastward_wind_shear s-1 [PRSC] P07 id: CFSN0654 "Eastward" indicates a vector component which is positive when directed eastward (negative westward). Wind is defined as a two-dimensional (horizontal) air velocity vector, with no vertical component. (Vertical motion in the atmosphere has the standard name upward_air_velocity.) Wind shear is the derivative of wind with respect to height.