FAST-LVOS 2017 TOPAZ Data

June 16, 2017

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Daily Summary:

Friday, June 16
TOPAZ data were recorded from 09:05 - 20:33 PDT. Very hot (max. of 43 C), clear conditions, and light winds that followed the diurnal flow pattern. The mixed layer gradually grew to 3300 m agl. It entrained a thin ozone layer aloft containing moderate ozone concentrations (~70 ppbv) in the early afternoon. The hot temperatures and light winds caused a buildup of ozone that reached 87 ppbv at the surface in the afternoon. MDA8 ozone reached 76 ppbv at the TOPAZ lidar site.