**Appendix A**

**Figure A1.** As in Figure 11a,b, but for the ZTD experiment.

**Figure A2.** As in Figure 12a–d, but for the 6-h accumulated precipitation at 10 May 2018 1200 UTC.

**Figure A3.** As in Figure 13a,b, but for 18 November 2018 (**a**,**c**) 0900UC and (**b**,**d**) 1500 UTC.

**Figure A4.** As in Figure 13a,b, but for the ZTD experiment.

**Figure A5.** As in Figure 14a–d, but for the 6-h accumulated precipitation at 18 November 2018 1200 UTC.

**Figure A6.** As in Figures 11c and 13c, but for 16 June 2018 0000 UTC.

**Figure A7.** As in Figures 11c and 13c, but for 26 July 2018 0600 UTC.

**Figure A8.** As in Figures 11c and 13c, but for 27 August 2018 0000 UTC.

**Figure A9.** As in Figures 11c and 13c, but for 28 August 2018 0000 UTC.

**Figure A10.** As in Figures 11c and 13c, but for 29 September 2018 0000 UTC.

**Figure A11.** As in Figures 11c and 13c, but for 30 September 2018 0000 UTC.

**Figure A12.** As in Figures 11c and 13c, but for 26 November 2018 0000 UTC.

**Figure A13.** As in Figures 11c and 13c, but for 27 November 2018 0000 UTC.
