Air Stability Adiabatic Processes No heat is added / removed from the moving air parcel by the...

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Transcript of Air Stability Adiabatic Processes No heat is added / removed from the moving air parcel by the...

Air Stability

Adiabatic Processes

• No heat is added / removed from the moving air parcel by the external environment because of fast movement of the air parcel.

• All temperature changes within the air parcel are due to expansion / contraction.

1000m

ground

Warm air

Cooler thansurrounding

cloud

Condensation level

Stableair

Unstableair

precipitation

Energy loss

Air stops rising

Causes of Cooling

Orographic Cooling

Rising air

Frontal Cooling

Front

Condensation

Rising air

Thermal Cooling

Rising air

Precipitation

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Humanities UnitCurriculum Development Institute

Education Department