Static Stability of the Atmosphere
•Ge = environmental lapse rate
•Gd = dry adiabatic lapse rate
•Gm = moist adiabatic lapse rate
•
• Absolutely Stable
•            Ge < Gm
• Absolutely Unstable
•             Ge > Gd
• Conditionally Unstable
•         Gm < Ge < Gd
D:\yu\maker\talk\uci\class\ESS55\image\environmenatl.dry.moist.lapse.rate.gif
(from Meteorology Today)