An air parcel having 40°C temperature moves from ground

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Function: require_once

An air parcel having 40°C temperature moves from ground

An air parcel having 40°C temperature moves from ground level to 500 m elevation in dry air following the “adiabatic lapse rate”. The resulting temperature of air parcel at 500 m elevation will be

Adiabatic lapse rate = 9.8°C/km
∴ Fall in temperature = 0.5 × 9.8 = 4.9°C
∴ Resulting temperature = 40 – 4.9 ≈ 35°C.