Data related to: Cloud liquid water path detectability and retrieval accuracy from airborne passive microwave observations over Arctic sea ice Nils Risse https://doi.org/10.5281/zenodo.15848709

Unified Airborne Active and Passive Microwave Measurements over Arctic Sea Ice and Ocean during the HALO-(AC)³ Campaign in Spring 2022 (v2.7) Henning Dorff et al. https://doi.org/10.1594/PANGAEA.974108

Aircraft measurements of backscatter ratio, particle depolarization and water vapour molecular density profiles over Arctic sea ice and ocean during the HALO-(AC)³ campaign in spring 2022 Martin Wirth and Silke Groß https://doi.org/10.1594/PANGAEA.967086

One-dimensional cloud-top or surface brightness temperature with 20 Hz temporal resolution derived at flight altitude from VELOX-KT19 during the HALO-(AC)³ field campaign Michael Schäfer et al. https://doi.org/10.1594/PANGAEA.967378

Two-dimensional cloud-top and surface brightness temperature at spectral band BT3 (10.74 +/- 0.39 μm) with 1 Hz temporal resolution derived at flight altitude from VELOX during the HALO-(AC)³ field campaign Michael Schäfer et al. https://doi.org/10.1594/PANGAEA.963382

Spectral radiance measurements with the hyperspectral and polarized imaging system specMACS during the HALO-(AC)3 field campaign Anna Weber et al. https://doi.org/10.1594/PANGAEA.966992

Dropsonde measurements from HALO and POLAR 5 during HALO-(AC)³ in 2022 Geet George et al. https://doi.org/10.1594/PANGAEA.968891

Complete ERA5 from 1940: Fifth generation of ECMWF atmospheric reanalyses of the global climate H. Herbsach et al. https://doi.org/10.24381/cds.143582cf

ERA5 hourly data on single levels from 1940 to present H. Herbsach et al. https://doi.org/10.24381/cds.adbb2d47

GPM SSMIS on F16 Common Calibrated Brightness Temperatures L1C 1.5 hours 12 km V07 Wesley Berg https://doi.org/10.5067/GPM/SSMIS/F16/1C/07

Aerial maps of Arctic surface skin temperature and surface type during the HALO-(AC) 3 campaign in March/April 2022 J. Müller et al. https://doi.org/10.1594/PANGAEA.974454

nrisse/si-clouds: Code related to: Cloud liquid water path detectability and retrieval accuracy from airborne passive microwave observations over Arctic sea ice Nils Risse https://doi.org/10.5281/zenodo.18237101