Convective cloud mergers and their impact on lightning activity in a severe squall-line system over the Beijing Metropolitan Region

<p>1. Radar_CR&nbsp;includes the 2D combined reflectivity data used to draw the figures (Fig. 2, 3) in this manuscript, and Radar_mref includes the 3D reflectivity data used to draw the figures (Fig. 5, 6, 7, 8) which&nbsp;has been translated into the Cartesian coordinates.</p> <p>2. VDRAS&nbsp;gives the 3D dynamic field data to draw the figure 10.&nbsp;</p> <p>3. Raw lightning data located by BLNet.</p> <p>&nbsp;</p>