A200
Boundary Layer Clouds and Climate Change III eLightning

Tuesday, 15 December 2020: 11:30-12:30
Virtual
Primary Convener:  Michael S Diamond, University of Washington, Atmospheric Sciences, Seattle, WA, United States
Conveners:  Jan Kazil, University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, Armin Sorooshian, University of Arizona, Department of Chemical and Environmental Engineering, Tucson, AZ, United States and Matthew Christensen, University of Oxford, Oxford, United Kingdom
Primary Liaison:  Jan Kazil, University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States
Chairs:  Hailong Wang, Pacific Northwest National Laboratory, Richland, WA, United States, David Painemal, Science Systems and Applications, Inc. Hampton, Hampton, VA, United States, Sarah J Doherty, Univ Wash--CICOES, Seattle, WA, United States and Michael S Diamond, University of Washington, Atmospheric Sciences, Seattle, WA, United States
OSPA Liaison:  Hailong Wang, Pacific Northwest National Laboratory, Richland, WA, United States
11:30
A200-02
Volcano and ship tracks lend causal relationship to large aerosols effects on marine boundary layer clouds cover and radiation (747469)
Daniel Rosenfeld1, Xin Wang2, Shuang Hu2, Yannian Zhu3 and Feiyue Mao2, (1)Hebrew University of Jerusalem, Jerusalem, Israel, (2)Wuhan University, Wuhan, China, (3)Meteorological Institute of Shaanxi Province, Xi'an, China
11:33
A200-03
When do ship tracks not form? (697061)
Duncan Watson-Parris1, Matthew Christensen1 and Philip Stier2, (1)University of Oxford, Oxford, United Kingdom, (2)University of Oxford, Department of Physics, Oxford, United Kingdom
11:36
A200-05
Quantifying biases in aerosol-cloud-radiation interactions associated with spatiotemporal averaging (746785)
Graham Feingold, NOAA Boulder, Boulder, CO, United States, Tom Goren, University of Leipzig, Leipzig, Germany and Takanobu Yamaguchi, NOAA/Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States
11:39
A200-06
Large‐Scale Industrial Cloud Perturbations Confirm Bidirectional Cloud Water Responses to Anthropogenic Aerosols (689828)
Heido Trofimov1, Nicolas Bellouin2 and Velle Toll1, (1)University of Tartu, Tartu, Estonia, (2)University of Reading, Department of Meteorology, Reading, United Kingdom
11:42
A200-07
What can Possibly go Wrong? Cloud Microphysical Implications for Marine Cloud Brightening (763394)
Fabian Hoffmann, CIRES, Boulder, CO, United States; Ludwig Maximilians University of Munich, Meteorological Institue, Munich, Germany and Graham Feingold, NOAA ESRL CSL, Boulder, CO, United States
11:45
A200-08
Characterising the evolution of a flower cloud system observed during the EUREC4A field campaign using satellite observations (724884)
Zhiqiang Cui, University of Leeds, National Centre for Atmospheric Science, Leeds, LS2, United Kingdom and Alan M Blyth, University of Leeds, Leeds, LS2, United Kingdom
11:48
A200-09
Quantifying the Effects of Downward Longwave Radiation on Low Clouds (709446)
Christopher Macpherson, Scripps Institution of Oceanography, La Jolla, United States and Joel R Norris, Scripps Institution of Oceanography, La Jolla, CA, United States
11:51
A200-10
Investigating Cold Air Outbreaks over the Western North Atlantic Ocean (716951)
Seethala Chellappan1, Paquita Zuidema1, David Painemal2, Xiangyu Li3, Hailong Wang3, Kenneth Lee Thornhill II4 and Armin Sorooshian5, (1)University of Miami, Miami, FL, United States, (2)Science Systems and Applications, Inc. Hampton, Hampton, VA, United States, (3)Pacific Northwest National Laboratory, Richland, WA, United States, (4)NASA Langley Research Center, Hampton, VA, United States, (5)University of Arizona, Department of Chemical and Environmental Engineering, Tucson, AZ, United States
11:54
A200-11
Large-eddy Simulations of Marine Boundary-layer Clouds during the ACTIVATE Campaign: Sensitivities to Large-scale Forcings (731746)
Xiangyu Li1, Hailong Wang1, Andrew S Ackerman2, Brian Cairns2, Seethala Chellappan3, Gao Chen4, Jingyi Chen1, Ewan Crosbie5, Richard Anthony Ferrare6, Geet George7, Johnathan W Hair6, Simon Kirschler8, Mary M Kleb6, Richard Moore6, David Painemal9, Amy Jo Scarino6, Michael Shook6, Taylor J Shingler10, Armin Sorooshian11, Kenneth Lee Thornhill II6, Florian Tornow2,12, Christiane Voigt8, Xubin Zeng13, Luke D Ziemba6 and Paquita Zuidema14, (1)Pacific Northwest National Laboratory, Richland, WA, United States, (2)NASA Goddard Institute for Space Studies, New York, NY, United States, (3)University of Miami, Miami, United States, (4)NASA Langley Research Ctr, Hampton, VA, United States, (5)University of Arizona, Tucson, AZ, United States, (6)NASA Langley Research Center, Hampton, VA, United States, (7)Max Planck Institute for Meteorology, Hamburg, Germany, (8)German Aerospace Center DLR Oberpfaffenhofen, Institute of Atmospheric Physics, Oberpfaffenhofen, Germany, (9)Science Systems and Applications, Inc. Hampton, Hampton, VA, United States, (10)Science Systems and Applications, Inc., Hampton, VA, United States, (11)University of Arizona, Department of Chemical and Environmental Engineering, Tucson, AZ, United States, (12)Columbia University, New York, United States, (13)University of Arizona, Department of Hydrology and Atmospheric Sciences, Tucson, AZ, United States, (14)University of Miami, Miami, FL, United States
11:57
A200-12
Surface Coupling Effects on Heterogeneous Ice Formation in Arctic Mixed-Phase Clouds (731760)
Hannes Griesche1, Kevin Ohneiser1, Patric Seifert2, Albert Ansmann1, Johannes Bühl1, Ronny Engelmann1 and Martin Radenz1, (1)Leibniz Institute for Tropospheric Research, Leipzig, Germany, (2)Leibniz Institute for Tropospheric Research - TROPOS, Leipzig, Germany
12:00
Discussion
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