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Table 4

Overview of five performed research flights. DOI: https://doi.org/10.1525/elementa.411.t4

Day of July 2018 (weekday)Take-off and landing [UTC]Avg.a wind direction [deg]Avg.a wind speed [m s–1]PBL depthb [m]Weather situation

 
18th (Wed.) 11:35–14:13 304 ± 14 8.5 ± 1.8 1079 ± 26
2648 ± 7c 
West of occlusion along border Germany/Poland 
20th (Fri.) 11:30–14:07 299 ± 27 4.8 ± 1.8 2737 ± 2 Ridge of high pressure system, low level clouds 
23rd (Mon.) 11:37–14:08 296 ± 16 5.6 ± 1.4 1419 ± 4 Clear sky 
24th (Tues.) 12:12–14:59 25 ± 34 3.3 ± 1.3 2046 ± 1 Eastern edge of high pressure system, low level clouds 
25th (Wed.) 11:28–14:10 27 ± 28 3.3 ± 1.1 1969 ± 56 South-eastern edge of high pressure system, low level clouds 
Day of July 2018 (weekday)Take-off and landing [UTC]Avg.a wind direction [deg]Avg.a wind speed [m s–1]PBL depthb [m]Weather situation

 
18th (Wed.) 11:35–14:13 304 ± 14 8.5 ± 1.8 1079 ± 26
2648 ± 7c 
West of occlusion along border Germany/Poland 
20th (Fri.) 11:30–14:07 299 ± 27 4.8 ± 1.8 2737 ± 2 Ridge of high pressure system, low level clouds 
23rd (Mon.) 11:37–14:08 296 ± 16 5.6 ± 1.4 1419 ± 4 Clear sky 
24th (Tues.) 12:12–14:59 25 ± 34 3.3 ± 1.3 2046 ± 1 Eastern edge of high pressure system, low level clouds 
25th (Wed.) 11:28–14:10 27 ± 28 3.3 ± 1.1 1969 ± 56 South-eastern edge of high pressure system, low level clouds 

a For the average wind speed and direction the average of the whole flight is considered, excluding winds above the PBL when different.

b PBL depth is estimated from meteorological measurements, see Sect. S2.

c PBL has two layers.

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