vEGU21 session AS4.5: Clouds, moisture, and precipitation in the Polar Regions

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vEGU21 session AS4.5: Clouds, moisture, and precipitation in the Polar Regions

Irina Gorodetskaya-2

Dear colleagues,

would like to bring your attention to session AS4.5 "Clouds, moisture, and precipitation in the Polar Regions: Sources, processes and impacts" at the vEGU21 (virtual) conference 19-30 Apr 2021:

This session aims at bringing together researchers using observational and/or modeling approaches (at various scales) to improve our understanding of polar tropospheric clouds, precipitation, and related mechanisms and impacts. Contributions are invited on various relevant processes including (but not limited to): - Drivers of cloud/precipitation microphysics at high latitudes, - Sources of cloud nuclei both at local and long range, - Linkages of polar clouds/precipitation to the moisture sources and transport, - Relationship of the poleward moisture transport to processes in the tropics and extra-tropics, including extreme transport events (e.g., atmospheric rivers, moisture intrusions), - Relationship of moisture/cloud/precipitation processes to the atmospheric dynamics, ranging from synoptic and meso-scale processes to teleconnections and climate indices, - Role of the surface-atmosphere interaction in terms of mass, energy, and cloud nuclei particles (evaporation, precipitation, albedo changes, cloud nuclei sources, etc),  - Impacts that the clouds/precipitation in the Polar Regions have on the polar and global climate system, surface mass and energy balance, sea ice and ecosystems. Papers including new methodologies specific to polar regions are encouraged, such as (i) improving polar cloud/precipitation parameterizations in atmospheric models, moisture transport events detection and attribution methods specifically in the high latitudes, and (ii) advancing observations of polar clouds and precipitation. We would like to emphasize collaborative observational and modeling activities, such as the Year of Polar Prediction (YOPP), Polar-CORDEX, the (AC)3 project on Arctic Amplification, MOSAiC, other specific measurement campaigns in the Arctic and Southern Ocean/Antarctica and encourage related contributions.

Abstract Deadline: 13 Jan 2021, 13:00 CET

During vEGU21, all sessions will run in the new EGU virtual PICO (vPICO) session format with display materials uploaded prior to the start of the meeting. Sessions will be divided in time blocks of about 20 abstracts each. All time blocks will start with 2-minute presentations by all authors who have abstracts in that time block, moderated by a chairperson. Following the 2-minute presentations, each abstract will have a breakout webinar during which questions to individual authors can be posted.

For more information please visit the conference website:

We are looking forward to your contributions.

Best wishes,

Irina Gorodetskaya (U Aveiro), Susanne Crewell (U Koeln), Tom Lachlan-Cope (British Antarctic Survey), Penny Rowe (NorthWest Associates), Manfred Wendisch (U Leipzig)

Irina Gorodetskaya
Researcher in meteorology and climate
CESAM - Centre for Environmental and Marine Studies
Dept Physics, University of Aveiro, Portugal

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