Thanks, but I wasn't asking why a moist parcel of air would rise if it was surrounded by dry air. (planet3.org)
I was asking why a moist parcel of air would be surrounded by dry air. (planet3.org)
: With no convection whatsoever, the change in temperature with a doubling of CO2 would be different than if parcels of air are allowed to rise, thus allowing the various forms of lapse rates to take effect. (judithcurry.com)