Aviation Glossary - Convective Condensation Level

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Convective Condensation Level

The lowest level at which condensation will occur as a result of convection due to surface heating. When condensation occurs at this level, the layer between the surface and the CCL will be thoroughly mixed, temperature lapse rate will be dry adiabatic, and mixing ratio will be constant.

source: FAA Aviation Weather for Pilots (AC 00-6A)

The level at which cumulus forms from surface-based convection. Under this level, the air is dry adiabatic and the mixing ratio is constant.

source: FAA Glider Flying Handbook (FAA-H-8083-13A)

(abbrev. CCL)- The level in the atmosphere to which an air parcel, if heated from below, will rise dry adiabatically, without becoming colder than its environment just before the parcel becomes saturated. See Lifted Condensation Level (LCL).

source: NOAA National Weather Service Glossary

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