Start_Time      Stop_Time       Feature_Type            Note(s)
51370           51400           Tropopause Crossing     Sharp tropopause crossing during initial ascent
52190           52460           Unknown Filament        Stratospheric filament at constant altitude (~3 km above LRT and 430–440-K), with dramatic increase in O3 and potential temperature (likely high latitude filament)
52920           53010           Unknown Filament        Stratospheric filament at constant altitude (~3 km above LRT and 430–440-K), with dramatic increase in O3 and potential temperature (likely high latitude filament)
53085           53240           Strong Gradient         Strong stratospheric composition gradient at mostly constant altitude (~3 km above LRT and 430–440-K), with changes in O3, CO, aerosol, and potential temperature
59830           59950           Recent Convection       Very marginal stratospheric H2O enhancement linked with <1-day-old convection at constant altitude (~3.5 km above LRT and ~435-K)
62490           62950           Recent Convection       Broad, variable enhancement in stratospheric H2O linked with <1-day-old convection at constant altitude (~3 km above LRT and ~425-K)
63170           63810           Large Variability       Substantial variability in stratospheric O3 at constant altitude (~3 km above LRT and ~420-K)
65580           65880           Recent Convection       Broad, highly variable enhancement in stratospheric H2O linked with <1-day-old convection at constant altitude (~3 km above LRT and ~420-K)
66710           66755           Recent Convection       Short, moderate enhancement in stratospheric H2O linked with ~1-day-old convection at constant altitude (~3 km above LRT and ~410-K)
67040           67100           Recent Convection       Short, moderate enhancement in stratospheric H2O linked with ~1-day-old convection at constant altitude (~3 km above LRT and ~415-K)
67170           67440           Recent Convection       Large, variable enhancement in stratospheric H2O linked with 1-1.5-day-old convection at constant altitude (~3 km above LRT and ~410-K)
69830           70030           Aged Convection         Large, variable enhancements in stratospheric H2O linked with ~1.75-day-old convection at constant altitude (~2 km above LRT and ~405-K)
70180           70390           Recent Convection       Large enhancement in stratospheric H2O linked with ~1-day-old convection at constant altitude (~2 km above LRT and ~405-K), bounded by pronounced indication of downward transport before and after enhancement
74360           74485           Aged Convection         Moderate enhancement in stratospheric H2O linked with ~3-day-old convection during descent (~1.5 km above LRT and ~400-K), within a lower stratosphere aerosol layer
