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Stable Equilibrium Unstable. Neutral Equilibrium.

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Presentation on theme: "Stable Equilibrium Unstable. Neutral Equilibrium."— Presentation transcript:

1 Stable Equilibrium Unstable

2 Neutral Equilibrium

3 ?_________ ? Equilibrium

4 ? ______ ? Equilibrium

5 Adiabatic cooling Adiabatic warming Unsaturated Air

6 Adiabatic cooling Adiabatic warming Saturated Air (on the way up) 30 o C 24 o C 18 o C 28 o C 38 o C

7 Stable Atmosphere Lifted, unsaturated air at each level is colder and heavier than the air around it. If given the chance the parcel would return to its original position Dry air

8 Stable Atmosphere Moist air

9 Unstable Atmosphere Dry air

10 Unstable Atmosphere Moist Air air

11 Stable Atmosphere Dry air

12 Unstable Atmosphere Moist air



15 Making the air more stable Warm the air above Cool the air below Do Both

16 Making the air more unstable cool the air above warm the air below Do Both

17 Subsidence Inversion (creating a stable environment through sinking air) +4.6 km = + 46 °C +4.2 km = + 42 °C

18 More or Less Stable?

19 Convective instability (creating an unstable environment through rising air)



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