isentropic weight chart

A chart of atmospheric pressure difference between two selected isentropic surfaces (surfaces of constant potential temperature); the greater the pressure difference the greater the weight of the air column separating the two surfaces.

Related terms:

• isentropic thickness chart
• isentropic chart
• constant-height chart
• pressure-change chart
• thickness chart
• upper-level chart
• Stuve chart
• isentropic mixing
• constant-pressure chart
• isentropic surface