Table 2: Weather data and IWT operation.

16 Dec 2016 - Baseline 30 Dec 2016 - ILFN-rich
Wind speed (m/s) 0.5 - 1.5 4.0 - 6.5
Wind direction south-southwest southwest
Temperature (℃11/11/2017) 0 - 1 6 - 8
Rel. humidity (%) 90 - 100 90 - 95
Precipitation (mm) 0 < 0.5
IWT rotation no yes
Hour of video footage 14:38, 14:42 11:20, 13:30, 15:40