Fig. 6

Overview of a moist air intrusion case during the MOSAiC expedition from 13th to 23rd April 2020 showing the IWV as in Fig. 1 (a), absolute humidity (ρv) profiles from radiosondes (b) and HATPRO (c), as well as temperature (T) profiles from radiosondes (d), HATPRO zenith (e) and boundary layer (BL) (f) modes. HATPRO humidity and zenith temperature profiles have been resampled to one-minute averages.