Evaluation of the Vertical Distribution of Particle Shape (VDPS) method with in situ measurements and assessment of the impact of non-Rayleigh scattering

Teisseire, Audrey; Seifert, Patric; Ohneiser, Kevin; Maahn, Maximilian; Spirig, Robert; Henneberger, Jan

doi:10.5194/amt-19-2897-2026

Articles | Volume 19, issue 9

https://doi.org/10.5194/amt-19-2897-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Fusion of radar polarimetry and numerical atmospheric modelling...

https://doi.org/10.5194/amt-19-2897-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 9

Research article

|

04 May 2026

Research article |

| 04 May 2026

Evaluation of the Vertical Distribution of Particle Shape (VDPS) method with in situ measurements and assessment of the impact of non-Rayleigh scattering

Audrey Teisseire, Patric Seifert, Kevin Ohneiser, Maximilian Maahn, Robert Spirig, and Jan Henneberger

Data sets

Eriswil Data (CLOUDLAB campaign) A. Teisseire et al. https://doi.org/10.5281/zenodo.15692821

Custom collection of lidar, and radar data from Eriswil on 6 Jan 2024 P. Seifert https://doi.org/10.60656/2b5162c0dc5749e7

Custom collection of lidar, and radar data from Eriswil on 8 Jan 2024 P. Seifert https://doi.org/10.60656/730593a33a3247f2

Custom collection of lidar, and radar data from Eriswil on 9 Jan 2024 P. Seifert https://doi.org/10.60656/5d8d87c586a24c72

Custom collection of lidar, and radar data from Eriswil on 22 Feb 2024 P. Seifert https://doi.org/10.60656/93f9b76b35ff446f

Custom collection of lidar, and radar data from Eriswil on 24 Feb 2024 P. Seifert https://doi.org/10.60656/f73f420d0e7744d9

Video In Situ Snowfall Sensor (VISSS) data for Eriswil (2023-2024) M. Maahn and V. Ettrichrätz https://doi.org/10.1594/PANGAEA.981222

Model code and software

pyLARDA v3.2 W. Schimmel et al. https://doi.org/10.5281/zenodo.4721311

Short summary

This study evaluates the vertical distribution of particle shape (VDPS) method for identifying particle shapes and riming/aggregation using in-situ and multi-frequency radar data from the CLOUDLAB campaign. Despite non-Rayleigh scattering effects, results show that the VDPS method using a Ka-band scanning cloud radar in slanted depolarization ratio (SLDR) mode is effective for hydrometeor classification.