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April 16, 20260 citations

Changes in Cirrus Cloud Supersaturation During Warm Air Intrusion Events

Changes in Supersaturation Inside and Around Arctic Cirrus during Warm Air Intrusion Events

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Authors

GDGeorgios DekoutsidisSGSilke GroflMWMartin Wirth

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Overview

Airborne lidar measures cirrus cloud characteristics during warm air intrusions, suggesting implications for radiative effects.

Key Points

  • This research aims to examine how warm air intrusion impacts the supersaturation conditions in cirrus clouds.
  • Conducted airborne lidar measurements of cirrus clouds in the Arctic during the HALO-(AC)3 campaign.
  • Distinguished between WAI cirrus formed during warm air intrusions and AC cirrus under stable conditions.
  • Analyzed relative humidity over ice (RHi) in cloud and near-cloud regions.
  • WAI cirrus exhibit more frequent high RHi values exceeding nucleation thresholds.
  • Higher absolute RHi values observed in WAI cirrus compared to AC cirrus.
  • Findings suggest WAI cirrus may be younger clouds with ongoing ice nucleation.

Cite This Study

Dekoutsidis et al. (2026) studied this question.

synapsesocial.com/papers/69e07d732f7e8953b7cbe5a9https://doi.org/10.1051/epjconf/202636210001/pdf
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