Assume a warm air parcel,at sea level,has a temperature of 21°C and begins to rise upward.Assume it becomes saturated at 1000 m altitude,and continues to rise to 2000 m altitude.What would the approximate temperature of the parcel be at an elevation of 2000 m?

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The air parcel cools at the dry adiabatic lapse rate of 10°C/km until it reaches saturation at 1000 m, then cools at the moist adiabatic lapse rate of about 5°C/km. Starting at 21°C at sea level, it cools to 11°C at 1000 m, and then to approximately 6°C at 2000 m.

Assume a Warm Air Parcel,at Sea Level,has a Temperature of 21°C