Data related to: Cloud liquid water path detectability and retrieval accuracy from airborne passive microwave observations over Arctic sea ice

Input and output of the sea ice-atmosphere optimal estimation retrieval for the HAMP microwave radiometer onboard the HALO research aircraft during the HALO-(AC)³ campaign. Filename description: x_a: a priori state x_op: optimal state x_syn: true state (only for synthetic retrievals) Simulation versions: pub_r1_clearsky_v1: Retrieval 1, clear-sky pub_r2_clearsky_v1: Retrieval 2, clear-sky pub_r2_allsky_v1: Retrieval 2, all-sky pub_r2_case_7_v1: Retrieval 2, case: research flight 02, high-level 11 pub_r2_case_5_v1: Retrieval 2, case: research flight 03, high-level 09 pub_r2_case_1_v1: Retrieval 2, case: research flight 04, high-level 08 pub_r2_case_8_v1: Retrieval 2, case: research flight 04, high-level 11 pub_r2_case_6_v1: Retrieval 2, case: research flight 18, high-level 03 pub_r2_syn_22_183_v1random: Retrieval 2, synthetic: cwp accuracy pub_r2_syn_amb_v1random: Retrieval 2, synthetic: parameter ambiguity