The measured lapse rate at a given location was 3.8 F/1000’, and the surface temperature? need help on this Update: sorry didnt' complete this ' The measured lapse rate at a given location was 3.8 F/1000’, and the surface temperature was 60 F. If an air parcel at the surface was heated to 65 F by solar radiation and accelerated vertically by buoyant forces, at what height would the parcel achieve neutral stability? thanks! show more sorry didnt' complete this '