Stable Equilibrium Unstable. Neutral Equilibrium.

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Stable Equilibrium Unstable

Transcript of Stable Equilibrium Unstable. Neutral Equilibrium.

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Stable Equilibrium

Unstable

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Neutral Equilibrium

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?_________ ? Equilibrium

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? ______ ? Equilibrium

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Adiabatic cooling

Adiabatic warming

Unsaturated Air

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Adiabatic cooling

Adiabatic warming

Saturated Air(on the way up)

30 oC

24 oC

18 oC 18 oC

28 oC

38 oC

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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

Dryair

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Stable AtmosphereMoistair

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Unstable AtmosphereDryair

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Unstable AtmosphereMoist Airair

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Stable AtmosphereDryair

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Unstable AtmosphereMoistair

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Making the air more stable

Warm the air above Cool the air below Do Both

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Making the air more unstable

cool the air above warm the air below Do Both

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Subsidence Inversion (creating a stable environment through sinking air)

+4.6 km = + 46 °C

+4.2 km = + 42 °C

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More or Less Stable?

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Convective instability (creating an unstable environment through rising air)

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