Start_Time      Stop_Time       Feature_Type            Note(s)
51494           51714           Aerosol Layer           Moist upper troposphere aerosol layer with elevated ozone filament
51729           51889           Aerosol Layer           Moist upper troposphere aerosol layer
52549           52569           Tropopause Crossing     Sharp tropopause crossing during ascent
60119           60149           Strong Gradient         Pronounced stratospheric O3 and CO gradient at constant altitude/potential temperature (~2 km above LRT and ~380-K) consistent with tropopause break crossing
60289           60839           Large Variability       Large variability in O3 and CO at constant altitude (~2 km above LRT and ~380-K) after crossing tropopause break
68599           68784           Unknown Hydration       Stratospheric hydration from ~2 km above LRT to the LRT (suspect source is PyroCb in Canada); accompanied by O3 and aerosol variability
68914           69009           Aerosol Layer           Moist upper troposphere aerosol layer with large CO enhancement and relatively modest O3 reduction (suspect source is PyroCb in Canada)
69314           69354           Tropopause Crossing     Shallow tropopause crossing during ascent (may not have been entirely below transition layer)
69354           69419           Unknown Hydration       Shallow (~1500 m) near-LRT H2O enhancements, anticorrelated with O3 (335–345-K)
75384           75429           Unknown Filament        Narrow filament of higher O3 along constant altitude leg (~4.5 km above LRT and ~400-K)
77849           77959           Tropopause Crossing     Broad tropopause crossing during descent
78344           78539           Aerosol Layer           Dual-peaked moist upper troposphere aerosol layer with O3 enhancement near higher altitudes / earlier times (potential smoke plume)
78754           78879           Aerosol Layer           Dual-peaked aerosol layer (potential smoke plume)
