Figure A. Vertical cross sections of O3 concentration and aerosol
backscatter for the NW-SE flight legs passing over Nashville for the
afternoon flights on 12 July. (i) O3 concentrations (ppbV) for the
first pass (1220-1248 CDT, scale at lower left), (ii) aerosol
backscatter (10-5 m-1 sr-1) for the first pass (scale at lower right),
and (iii) O3 concentration for the second pass (1405-1433 CDT).