Atmospheric Sciences



Earth Observations from Geostationary Satellites: Applied Research and Applications
Primary Convener:  Daniel Lindsey, NOAA/NESDIS/GOES-R, Fort Collins, CO, United States
Conveners:  Joel McCorkel, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Satya N Kalluri, NOAA/NESDIS, College Park, MD, United States and Tsengdar J Lee, NASA, Burke, VA, United States
Primary Liaison:  Daniel Lindsey, NOAA/NESDIS/GOES-R, Fort Collins, CO, United States


A Comparison of Air Dispersion and Statistical Models Predicting Air Pollution in South Korea
Primary Convener:  No Ol Lim, Korea University, Environmental Science and Ecological Engineering, Seoul, Korea, Republic of (South)
Convener:  No Ol Lim, Korea University, Environmental Science and Ecological Engineering, Seoul, Korea, Republic of (South)
Primary Liaison:  Seong-Woo Jeon, Korea University, Environmental Science & Ecological Engineering, Seoul, South Korea


Addressing Challenges for the Next Generation of Earth System Models
Primary Convener:  Christopher Vogl, Lawrence Livermore National Laboratory, Center for Applied Scientific Computing, Livermore, CA, United States
Conveners:  Katherine J Evans, Oak Ridge National Laboratory, Oak Ridge, TN, United States, Carol S Woodward, Lawrence Livermore National Laboratory, Livermore, CA, United States and Oliver Fuhrer, Vulcan Inc, Seattle, WA, United States
Primary Liaison:  Christopher Vogl, Lawrence Livermore National Laboratory, Center for Applied Scientific Computing, Livermore, CA, United States


Advanced Methods for Systematic Evaluation and Improvement of Earth System Models
Primary Convener:  Marcus van Lier-Walqui, Columbia University, Center for Climate Systems Research, New York, NY, United States
Conveners:  Andrew Gettelman, NCAR, Boulder, CO, United States, Gregory Elsaesser, Columbia University/NASA GISS, Dept. of Applied Physics and Applied Mathematics, New York, NY, United States, Peter Martin Caldwell, Lawrence Livermore National Laboratory, Livermore, CA, United States and Po-Lun Ma, Pacific Northwest National Laboratory, Richland, WA, United States
Primary Liaison:  Marcus van Lier-Walqui, Columbia University, Center for Climate Systems Research, New York, NY, United States


Advanced remote sensing in preparation for NASA's PACE mission
Primary Convener:  Brian Cairns, NASA Goddard Institute for Space Studies, New York, NY, United States
Convener:  Lorraine Ann Remer, University of MD Baltimore County, Baltimore, MD, United States
Primary Liaison:  Brian Cairns, NASA Goddard Institute for Space Studies, New York, NY, United States


Advances in a Global Observing System for Air Quality
Primary Convener:  Laura Margaret Judd, NASA Langley Research Center, Hampton, VA, United States
Conveners:  Luke Valin, Environmental Protection Agency Research Triangle Park, Research Triangle Park, NC, United States, Hyeong-Ahn Kwon, Harvard-Smithsonian Center for Astrophysics, Cambridge, United States and Joris P Veefkind, Royal Netherlands Meteorological Institute, De Bilt, 3730, Netherlands
Primary Liaison:  Laura Margaret Judd, NASA Langley Research Center, Hampton, VA, United States


Advances in Methods and Technologies for Emission Monitoring and Exposure Assessment to Hazardous Air Pollutants
Primary Convener:  Olga Pikelnaya, South Coast Air Quality Management District, Diamond Bar, CA, United States
Conveners:  Tara Irene Yacovitch, Aerodyne Research Inc., Billerica, MA, United States, Jochen Stutz, University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States and Scott C. Herndon, Aerodyne Research Inc, Billerica, MA, United States
Primary Liaison:  Olga Pikelnaya, University of California LA, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States


Advances in Radar Remote Sensing of Clouds and Precipitation: Observations, Data Processing, Weather and Water Model Applications
Primary Convener:  Haonan Chen, Colorado State University, Fort Collins, CO, United States
Conveners:  Robert Cifelli, NOAA/ESRL Physical Sciences Laboratory, Boulder, CO, United States and V. Chandrasekar, Colorado State University, Electrical and Computer Engineering, Fort Collins, CO, United States
Primary Liaison:  Haonan Chen, Colorado State University, Fort Collins, CO, United States


Advances in remote sensing and modeling of vertical distributions of aerosols and clouds
Primary Convener:  Jun Wang, University of Iowa, Department of Chemical and Biochemical Engineering, & Center of Global and Regional and Environmental Research, & Interdisciplinary Graduate Program in Informatics, the University of Iowa, Iowa City, IA, United States
Conveners:  John E Yorks, SSAI/NASA GSFC, Greenbelt, MD, United States, Valentina Aquila, NASA GSFC, Greenbelt, MD, United States and Zhien Wang, University of Colorado at Boulder, Boulder, CO, United States
Primary Liaison:  Jun Wang, the University of Iowa, Department of Chemical and Biochemical Engineering, & Center of Global and Regional and Environmental Research, & Interdisciplinary Graduate Program in Informatics, the University of Iowa, Iowa City, IA, United States


Advances in wildland fire - atmosphere interactions
Primary Convener:  Tirtha Banerjee, University of California Irvine, Department of Civil and Environmental Engineering, Irvine, CA, United States
Conveners:  Janine Baijnath-Rodino, University of California Irvine, Department of Civil and Environmental Engineering, Irvine, CA, United States, Bruna R F Oliveira, Centre for Environmental and Marine Studies, Department of Environment and Planning, University of Aveiro, Aveiro, Portugal and William C Porter, University of California Riverside, Riverside, CA, United States
Primary Liaison:  Tirtha Banerjee, University of California Irvine, Department of Civil and Environmental Engineering, Irvine, CA, United States


Advances of Atmospheric Remote Sensing Inversion
Primary Convener:  Oleg Dubovik, University of Lille 1, Laboratoire d'Optique Atmosphérique, Villeneuve d'Ascq, France
Convener:  Feng Xu, University of Oklahoma, School of Meteorology, Norman, OK, United States
Primary Liaison:  Feng Xu, University of Oklahoma, School of Meteorology, Norman, OK, United States


Aerosol, Cloud, Precipitation and Radiation Studies over High Latitude Oceans
Primary Convener:  Greg M McFarquhar, University of Oklahoma, Cooperative Institute for Mesoscale Meteorological Studies and School of Meteorology, Norman, OK, United States; Cooperative Institute for Mesoscale Meteorological Studies, University of Oklahoma, Norman, OK, United States
Conveners:  Bart Geerts, University of Wyoming, Laramie, WY, United States, Ann M Fridlind, NASA Goddard Institute for Space Studies, New York, NY, United States and Manfred Wendisch, University of Leipzig, Leipzig Institute for Meteorology, Leipzig, Germany
Primary Liaison:  Greg M McFarquhar, Cooperative Institute for Mesoscale Meteorological Studies, University of Oklahoma, Norman, OK, United States


Aerosols, Clouds, Convection and Precipitation
Primary Convener:  Ali H Omar, NASA Langley Research Center, Hampton, VA, United States and Meloë S. Kacenelenbogen, NASA Ames Research Center
Conveners:  Meloe S Kacenelenbogen, NASA Ames Research Center, Moffett Field, CA, United States, Gerald G Mace, Univ Utah, Salt Lake City, UT, United States, Derek J Posselt, University of Michigan Ann Arbor, Ann Arbor, MI, United States and Meloë S. Kacenelenbogen, NASA Ames Research Center
Primary Liaison:  Ali H Omar, NASA/Langley Research Ctr, Hampton, VA, United States and Meloë S. Kacenelenbogen, NASA Ames Research Center


AI in Weather and Climate Modeling: From Theoretical Advances to Operational Use
Primary Convener:  Muralikrishnan Gopalakrishnan Meena, Oak Ridge National Lab, Oak Ridge, TN, United States
Conveners:  Sam James Silva, Pacific Northwest National Laboratory, Richland, WA, United States, Mike S Pritchard, University California Irvine, Department of Earth System Science, Irvine, CA, United States and Matthew R Norman, Oak Ridge National Lab, Oak Ridge, TN, United States
Primary Liaison:  Muralikrishnan Gopalakrishnan Meena, Oak Ridge National Lab, Oak Ridge, TN, United States


AI Techniques for Improving Predictive Understanding of Climate Modes of Variability and Their Teleconnections
Primary Convener:  Linsey Passarella, University of Tennessee, Knoxville, TN, United States
Conveners:  Salil Mahajan, Oak Ridge National Laboratory, Computational Sciences and Engineering Division and Climate Change Science Institute, Oak Ridge, United States, Min Xu, Oak Ridge National Laboratory, Oak Ridge, TN, United States and Muralikrishnan Gopalakrishnan Meena, Oak Ridge National Lab, Oak Ridge, TN, United States
Primary Liaison:  Linsey Passarella, University of Tennessee, Knoxville, TN, United States


Air pollution detection, monitoring and analytics with human health.
Primary Convener:  Qian Liu, George Mason University Fairfax, Fairfax, VA, United States
Conveners:  Jingchao Yang, George Mason Univ., Fairfax, VA, United States, Manzhu Yu, George Mason University Fairfax, Fairfax, VA, United States and Yun Li, Curtin University, Perth, WA, Australia
Primary Liaison:  Qian Liu, Ocean University of China, Marine Chemistry, Qingdao, China


Air pollution, greenhouse gases and emissions in Asia and its interactions with the world
Primary Convener:  Jintai Lin, Peking University, Beijing, China
Conveners:  Yu Zhao, Nanjing University, Nanjing, China, Zhu Liu, Tsinghua University, Department of Earth System Science, Beijing, China, Zhifu Mi, University College London, Bartlett, London, United Kingdom and Mingxi Du, McGill University, Department of Geography, Montreal, QC, Canada
Primary Liaison:  Jintai Lin, Peking University, Beijing, China


Aquatic aerosols: from microscale processes to impacts on climate
Primary Convener:  Hosein Foroutan, Virginia Tech, Department of Civil and Environmental Engineering, Blacksburg, VA, United States
Conveners:  Hannah Marie Horowitz, University of Illinois at Urbana-Champaign, Department of Civil and Environmental Engineering, Urbana, IL, United States, Paul J DeMott, Colorado State University, Fort Collins, CO, United States and Amanda A Frossard, University of Georgia, Department of Chemistry, Athens, GA, United States
Primary Liaison:  Hosein Foroutan, Virginia Tech, Department of Civil and Environmental Engineering, Blacksburg, VA, United States


Atmosphere, Ocean, and Land Processes in the Maritime Continent and Indo-Pacific
Primary Convener:  Ning Zhao, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan
Conveners:  Elizabeth Jennifer Thompson, NOAA PSL, Physical Sciences Lab, Boulder, CO, United States, Je-Yuan Hsu, National Taiwan University, Institute of Oceanography, Taipei, Taiwan and Sean William Freeman, Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States
Primary Liaison:  Ning Zhao, JAMESTEC, Tokyo, Japan


Atmospheric Aerosols and Their Interactions with Clouds, Radiation, and Climate on Regional Scale
Primary Convener:  Bin Zhao, Pacific Northwest National Laboratory, Richland, WA, United States
Conveners:  Yu Gu, University of California Los Angeles, Joint Institute for Regional Earth System Science and Engineering, Los Angeles, CA, United States, Hong Liao, Nanjing University of Information Science & Technology, Nanjing, China and Chuanfeng Zhao, Beijing Normal University, College of Global Change and Earth System Science, Beijing, China
Primary Liaison:  Bin Zhao, Pacific Northwest National Laboratory, Richland, WA, United States


Atmospheric and Oceanic Processes Governing the Trade Wind Regions
Primary Convener:  Hauke Schulz, Max Planck Institute for Meteorology, Hamburg, Germany
Conveners:  Isabel Louise McCoy, New Mexico Institute of Mining and Technology, Socorro, NM, United States, Mira L. Pöhlker, Max Planck Institute for Chemistry, Mainz, Germany and Dongxiao Zhang, CICOES/University of Washington and NOAA/PMEL, Seattle, WA, United States
Primary Liaison:  Hauke Schulz, Max Planck Institute for Meteorology, Hamburg, Germany


Atmospheric Convection: Processes, Dynamics, and Links to Weather and Climate
Primary Convener:  Giuseppe Torri, University of Hawaii at Manoa, Honolulu, HI, United States
Conveners:  Rachel L Storer, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Hanii Takahashi, Jet Propulsion Lab, Pasadena, CA, United States and Yang Tian, Lawrence Livermore National Laboratory, Livermore, United States
Primary Liaison:  Yang Tian, Lawrence Livermore National Laboratory, Livermore, United States


Atmospheric methane measurements - bridging anthropogenic emissions and mitigation internationally
Primary Convener:  Stefan Schwietzke, Environmental Defense Fund, Berlin, Germany
Conveners:  Christopher Thomas Konek, Organization Not Listed, Washington, DC, United States and Anke Roiger, Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institute of Atmospheric Physics, Oberpfaffenhofen, Germany
Primary Liaison:  Christopher Thomas Konek, Organization Not Listed, Washington, DC, United States


Atmospheric Oxidation Capacity Constraints: Laboratory Investigations, Field and Remote Sensing Observations, and Modeling Studies
Primary Convener:  Yasin F Elshorbany, University of South Florida, Atmospheric Chemistry and Climate Laboratory, College of Arts and Sciences, St. Petersberg, FL, United States
Conveners:  Thomas F Hanisco, NASA GSFC, Greenbelt, MD, United States and Philip S Stevens, Indiana University, O'Neill School of Public and Environmental Affairs, Bloomington, IN, United States
Primary Liaison:  Yasin F Elshorbany, University of South Florida, Atmospheric Chemistry and Climate Laboratory, College of Arts and Sciences, St. Petersberg, FL, United States


Atmospheric Research Supported by Uncrewed Aerial Systems
Primary Convener:  Fan Mei, Pacific Northwest National Laboratory, Richland, WA, United States
Conveners:  Gijs de Boer, CIRES/University of Colorado/NOAA/PSL, Boulder, CO, United States, Greg M McFarquhar, Cooperative Institute for Mesoscale Meteorological Studies, University of Oklahoma, Norman, OK, United States and Beat Schmid, Pacific Northwest National Laboratory, Richland, WA, United States
Primary Liaison:  Fan Mei, Pacific Northwest National Laboratory, Richland, WA, United States


Atmospheric Sciences 2021 Fellows, Ascent Award winners, and Holton Award Winner
Primary Convener:  Paul A. Newman, NASA Goddard Space Flight Center, Greenbelt, MD, United States
Conveners:  Allison L Steiner, University of Michigan Ann Arbor, Department of Climate and Space Sciences and Engineering, Ann Arbor, MI, United States, Susan C van den Heever, Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States and Laura Pan, NCAR / ACD, Boulder, CO, United States
Primary Liaison:  Susan C van den Heever, Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States


Atmospheric Sciences OSPA Highlights
Primary Convener:  Benjamin Nault, Aerodyne Research Inc., Billerica, CA, United States
Conveners:  Erin McDuffie, Washington University in St Louis, St Louis, MO, United States, Alyssa M Stansfield, Stony Brook University, School of Marine and Atmospheric Science, Stony Brook, NY, United States and Zhen Qu, University of Colorado, Mechanical Engineering, Boulder, CO, United States
Primary Liaison:  Benjamin Nault, Aerodyne Research Inc., Billerica, CA, United States


Boundary Layer Clouds and Climate Change
Primary Convener:  David Painemal, SSAI /NASA Langley Research Center, Hampton, VA, United States
Conveners:  Hailong Wang, Pacific Northwest National Laboratory, Richland, WA, United States and Armin Sorooshian, University of Arizona, Department of Chemical and Environmental Engineering, Tucson, AZ, United States
Primary Liaison:  David Painemal, Science Systems and Applications, Inc. Hampton, Hampton, VA, United States


Boundary Layer Processes and Turbulence
Primary Convener:  Marco Giovanni Giometto, Columbia University of New York, New York, NY, United States
Conveners:  Shane Mayor, California State University, Department of Geological and Environmental Sciences, Chico, United States, Ying Pan, Pennsylvania State University, Department of Meteorology and Atmospheric Science, University Park, PA, United States and Scott Salesky, University of Oklahoma, School of Meteorology, Norman, OK, United States
Primary Liaison:  Marco Giovanni Giometto, Columbia University of New York, New York, NY, United States


Bridging the Gap from Climate to Extreme Weather: Observations, Theory, and Modeling
Primary Convener:  Kevin A Reed, Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook, NY, United States
Conveners:  Daniel Robert Chavas1, Akintomide A Akinsanola2 and Gabriel J Kooperman2, (1)Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States(2)University of Georgia, Department of Geography, Athens, GA, United States
Primary Liaison:  Kevin A Reed, Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook, NY, United States


Building Confidence in Future Projections of Regional Precipitation: Identifying Dynamic Sources of Certainty and Uncertainty
Primary Convener:  Samuel J Smith, Indiana University Bloomington, Earth and Atmospheric Sciences, Bloomington, IN, United States
Conveners:  Jian Lu, Pacific Northwest National Laboratory, Richland, WA, United States and Tiffany Shaw, The University of Chicago, Department of Geophysical Sciences, Chicago, IL, United States
Primary Liaison:  Samuel J Smith, Indiana University Bloomington, Earth and Atmospheric Sciences, Bloomington, IN, United States


Causes and Consequences of Polar Amplification
Primary Convener:  Lantao Sun, Colorado State University, Department of Atmospheric Science, Fort Collins, CO, US
Conveners:  James Screen, University of Exeter, Exeter, EX4, United Kingdom, Yutian Wu, Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, United States and Qinghua Ding, University of California Santa Barbara, Santa Barbara, CA, United States
Primary Liaison:  Lantao Sun, Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States


Chemical Physics Insights into Atmospheric and Planetary Chemistry
Primary Convener:  Rebecca Caravan, Argonne National Laboratory, Chemical Sciences and Engineering Division, Argonne, IL, United States
Conveners:  S Klippenstein, Argonne National Laboratory, Chemical Sciences and Engineering Division, Lemont, IL, United States, Marsha I Lester, University of Pennsylvania, Department of Chemistry, Philadelphia, PA, United States and Frank Winiberg, NASA Jet Propulsion Laboratory, Pasadena, United States
Primary Liaison:  Rebecca Caravan, Argonne National Laboratory, Chemical Sciences and Engineering Division, Argonne, IL, United States


Cirrus in the Tropical Upper Troposphere and Lower Stratosphere
Primary Convener:  Peter N Blossey, University of Washington, Seattle, WA, United States
Convener:  Elisabeth J Moyer, University of Chicago, Department of the Geophysical Sciences, Center for Robust Decision-making on Climate and Energy Policy (RDCEP), Chicago, IL, United States
Primary Liaison:  Peter N Blossey, University of Washington, Seattle, WA, United States


Climate change and extreme winter weather: insights from the US cold wave of February 2021.
Primary Convener:  Judah Levi Cohen, Atmospheric and Environmental Research Lexington, Lexington, MA, United States
Conveners:  Jennifer Francis, Senior Scientist, Falmoth, MA, United States; Woodwell Climate Research Center, Falmoth, United States, James Screen, University of Exeter, Exeter, EX4, United Kingdom and Jason Furtado, University of Oklahoma, School of Meteorology, Norman, OK, United States
Primary Liaison:  Jennifer Francis, Senior Scientist, Falmoth, MA, United States; Woodwell Climate Research Center, Falmoth, United States


Climate Sensitivity and Feedbacks: Advances and New Paradigms
Primary Convener:  Chad William Thackeray, University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States
Conveners:  Mark Richardson, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Maria Rugenstein, Colorado State University, Department of Atmospheric Science, Fort Collins, United States and Daniel McCoy, University of Wyoming, Laramie, WY, United States
Primary Liaison:  Chad William Thackeray, University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States


Cloud observations and measurements from remote sensing instruments
Primary Convener:  Nofel Lagrosas, Graduate School and Faculty of Engineering, Chiba University, Chiba, Japan
Conveners:  Tatsuo Shiina, Graduate School and Faculty of Engineering, Chiba University, Chiba, Japan and Hiroaki Kuze, Center for Environmental Remote Sensing, Chiba University, Chiba, Japan
Primary Liaison:  Nofel Lagrosas, Graduate School and Faculty of Engineering, Chiba University, Chiba, Japan


CMIP6 Climate Model Evaluation
Primary Convener:  Baijun Tian, NASA Jet Propulsion Laboratory, Pasadena, CA, United States
Conveners:  Shaocheng Xie, Lawrence Livermore Nat''l Lab, Livermore, CA, United States, Ming Zhao, NOAA/Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States and Brian Medeiros, National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, CO, United States
Primary Liaison:  Baijun Tian, NASA Jet Propulsion Laboratory, Pasadena, CA, United States


Constraining Greenhouse Gas Exchange Processes Using Remote Sensing and in Situ Observations
Primary Convener:  Abhishek Chatterjee, NASA Goddard Space Flight Center, GMAO, Greenbelt, MD, United States
Conveners:  Andrew E Schuh, Colorado State University, CIRA, Fort Collins, CO, United States, Thomas Lauvaux, Pennsylvania State University Main Campus, Department of Meteorology and Atmospheric Science, University Park, United States and Mathias Goeckede, MPI Biogeochemistry, Jena, Germany
Primary Liaison:  Abhishek Chatterjee, USRA, Greenbelt, MD, United States


Convection Processes and Their Environmental and Aerosol Interactions: Theory, Observation, and Modeling
Primary Convener:  Dié WANG, Brookhaven National Laboratory, Upton, NY, United States
Conveners:  Michael P Jensen, Brookhaven National Laboratory, Upton, NY, United States, Andreas F Prein, National Center for Atmospheric Research, Boulder, CO, United States and Yunyan Zhang, Lawrence Livermore Nat Labs, Livermore, CA, United States
Primary Liaison:  Dié WANG, Brookhaven National Laboratory, Upton, NY, United States


Convective and Volcanic Clouds (CVC) and impact on aviation management
Primary Convener:  Riccardo Biondi, University of Padova, Padova, Italy
Conveners:  Tatjana Bolic, University of Westminster, London, United Kingdom, Nina Iren Kristiansen, Norwegian Institute for Air Research, Kjeller, Norway and Stefano Corradini, National Institute of Geophysics and Volcanology, Rome, Italy
Primary Liaison:  Stefano Corradini, National Institute of Geophysics and Volcanology, Rome, Italy


Coupling of Clouds, Convection, and Circulation from Meso- to Planetary Scales
Primary Convener:  Louise Nuijens, Delft University of Technology, Delft, Netherlands
Conveners:  Michael P Byrne, University of St Andrews, St Andrews, United Kingdom, Aiko Voigt, University of Vienna, Vienna, Austria and Ji Nie, Peking University, Beijing, China
Primary Liaison:  Louise Nuijens, Delft University of Technology, Delft, Netherlands


COVID-19 lockdowns: What have we learned about air pollution and carbon emissions?
Primary Convener:  James D Lee, National Centre for Atmospheric Science, York, United Kingdom
Conveners:  Jessica Gilman, NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States, Keding Lu, Peking University, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Beijing, China and Roisin Commane, Columbia University, Palisades, NY, United States
Primary Liaison:  James D Lee, University of York, Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, York, United Kingdom


Deep Space Earth Observations
Primary Convener:  Alexander Marshak, NASA Goddard Space Flight Center, Greenbelt, MD, United States
Convener:  Adam Szabo, NASA Goddard Space Flight Center, Greenbelt, MD, United States
Primary Liaison:  Jay Herman, UMBC, Greenbelt, United States


Diagnostic tools and metrics for improving subseasonal-to-seasonal (S2S) prediction
Primary Convener:  Benjamin P Kirtman, University of Miami, Miami, FL, United States
Conveners:  Matthew Janiga, US Naval Research Laboratory, Marine Meteorology Division, Monterey, CA, United States, Yan Xue, Climate Prediction Center, College Park, MD, United States and Jessie Carmen, NOAA, Weather Program Office, Washington DC, United States
Primary Liaison:  Benjamin P Kirtman, University of Miami, Miami, FL, United States


Dust in a changing climate: from small‐scale insights to large‐scale understanding
Primary Convener:  Chun Zhao, University of Science and Technology of China, School of Earth and Space Sciences, Hefei, China
Conveners:  Adeyemi Adebiyi, University of California – Merced, Department of Life and Environmental Sciences, Merced, CA, United States, Martina Klose, Karlsruhe Institute of Technology, Department Troposphere Research, Karlsruhe, Germany and Cassandra Gaston, University of Miami, Miami, FL, United States
Primary Liaison:  Adeyemi Adebiyi, University of California – Merced, Department of Life and Environmental Sciences, Merced, CA, United States


Emissions and Air Quality in Africa
Primary Convener:  Claire Granier, Laboratoire d'Aerologie and CIRES/NOAA, Toulouse, France and Boulder, USA, France
Conveners:  Benjamin Gaubert, National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, CO, United States and Evelyne N'datchoh Toure, University Félix Houphouët-Boigny, UFR SSMT - LASMES, Abidjan, Côte D'ivoire
Primary Liaison:  Benjamin Gaubert, National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, CO, United States


Emissions of atmospheric pollutants from oil, gas, and coal operations
Primary Convener:  Scot M Miller, Johns Hopkins University, Environmental Health and Engineering, Baltimore, MD, United States
Conveners:  Joost A de Gouw, University of Colorado, CIRES and Department of Chemistry, Boulder, CO, United States, Sarah Jordaan, Johns Hopkins University, School of Advanced International Studies, Baltimore, MD, United States and Matthew Johnson, Carleton University, Department of Mechanical and Aerospace Engineering, Ottawa, Canada
Primary Liaison:  Scot M Miller, Johns Hopkins University, Environmental Health and Engineering, Baltimore, MD, United States


Environmental sensor networks
Primary Convener:  Misha Krassovski, Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, TN, United States
Convener:  Jeffery S Riggs, Oak Ridge National Laboratory, Oak Ridge, TN, United States
Primary Liaison:  Jeffery S Riggs, Oak Ridge National Laboratory, Oak Ridge, TN, United States


Extratropical and High-latitude Storm Tracks, Circulation Dynamics, and Extreme Events in the Context of Rapidly Changing Arctic and Antarctic Climate
Primary Convener:  Xiangdong Zhang, University of Alaska Fairbanks, Fairbanks, AK, United States
Conveners:  Kent Moore, Univ Toronto, Toronto, ON, Canada and James E Overland, NOAA Seattle, Seattle, WA, United States
Primary Liaison:  Xiangdong Zhang, Univ Alaska, Fairbanks, AK, United States


Extratropical large-scale atmospheric circulation variability
Primary Convener:  Aditi Sheshadri, Stanford University, Department of Earth System Science, Stanford, CA, United States
Conveners:  Pedram Hassanzadeh, Rice University, Houston, TX, United States, Paul J Kushner, University of Toronto, Physics, Toronto, ON, Canada and Ding Ma, Columbia University, New York, NY, United States
Primary Liaison:  Pedram Hassanzadeh, Rice University, Houston, TX, United States


Extreme Events: Observations and Modeling
Primary Convener:  Sridhara Nayak, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan
Conveners:  Sridhara Nayak, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan and Tetsuya Takemi, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan
Primary Liaison:  Sridhara Nayak, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan


Extreme Precipitation in a Changing Climate
Primary Convener:  Abhishekh Kumar Srivastava, University of California Davis, Land, Air and Water Resources, Davis, CA, United States
Conveners:  Richard Grotjahn, University of California Davis, Davis, CA, United States, Paul Aaron Ullrich, University of California Davis, Land, Air & Water Resources, Davis, CA, United States and Michael F Wehner, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
Primary Liaison:  Abhishekh Kumar Srivastava, University of California Davis, Land, Air and Water Resources, Davis, CA, United States


Extreme Precipitation in Past, Present, and Future Climates
Primary Convener:  Markus Donat, Barcelona Supercomputing Center, Earth Sciences Department, Barcelona, Spain
Conveners:  Erich M Fischer, ETH Zurich, Zurich, Switzerland, Andreas F Prein, National Center for Atmospheric Research, Boulder, CO, United States and Angie Pendergrass, Cornell University, Ithaca, United States
Primary Liaison:  Markus Donat, University of New South Wales, Sydney, NSW, Australia


Extreme weather and climate in urban areas, their social impacts, and mitigation
Primary Convener:  Quang Van Doan, University of Tsukuba, Center for Computational Sciences, Tsukuba, Japan
Conveners:  Ashish Sharma, University of Notre Dame, Department of Civil Engineering, Environmental and Earth Sciences, Notre Dame, IN, United States, Fei Chen, NCAR/RAL, Boulder, CO, United States and Donald J Wuebbles, University of Illinois at Urbana Champaign, Department of Atmospheric Sciences, Urbana, IL, United States
Primary Liaison:  Quang Van Doan, University of Tsukuba, Center for Computational Sciences, Tsukuba, Japan


Extreme Weather Events: Forecast skill, Uncertainty Quantification and Impact Modeling
Primary Convener:  Marina Astitha, University of Connecticut, Civil and Environmental Engineering, Storrs, CT, United States
Conveners:  Marina Astitha, University of Connecticut, Civil and Environmental Engineering, Storrs, CT, United States, Forest Cannon, Scripps Institution of Oceanography, San Diego, CA, United States; University of California San Diego, La Jolla, CA, United States, Efthymios I Nikolopoulos, Florida Institute of Technology, Mechanical and Civil Engineering, Melbourne, United States and Alison Cobb, University of California San Diego, Scripps Institute of Oceanography, Center for Western Weather and Water Extremes, La Jolla, CA, United States
Primary Liaison:  Marina Astitha, University of Connecticut, Civil and Environmental Engineering, Storrs, CT, United States


Fire and Smoke: Biomass Burning Emissions, Chemical Evolution, and Impacts on Air Quality and Climate
Primary Convener:  Pablo E Saide, University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States
Conveners:  Rebecca A Washenfelder, NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, Elizabeth Brooke Wiggins, Universities Space Research Association Columbia, Columbia, MD, United States; NASA Langley Research Center, Hampton, VA, United States and Chelsea Stockwell, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States; NOAA Boulder, Boulder, CO, United States
Primary Liaison:  Pablo E Saide, University of California Los Angeles, Institute of the Environment and Sustainability (IoES), Los Angeles, CA, United States


General Session: Atmospheric Chemistry & Composition
Primary Convener:  Joost A de Gouw, University of Colorado, CIRES and Department of Chemistry, Boulder, CO, United States
Convener:  Anne M Thompson, NASA Goddard Space Flight Center, Greenbelt, MD, United States
Primary Liaison:  Joost A de Gouw, University of Colorado, CIRES and Department of Chemistry, Boulder, CO, United States


General Session: Atmospheric Dynamics & Climate
Primary Convener:  L. Ruby Leung, Pacific Northwest National Laboratory, Richland, WA, United States
Conveners:  James W Hurrell, Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States and Cecilia M Bitz, University of Washington, Atmospheric Sciences, Seattle, WA, United States
Primary Liaison:  L. Ruby Leung, Pacific Northwest National Laboratory, Richland, WA, United States


General Session: Atmospheric Physics, Radiation, Clouds, and Aerosols
Primary Convener:  Rong Fu, University of California Los Angeles, Los Angeles, CA, United States
Conveners:  V Ramaswamy, NOAA/OAR/ GFDL, Princeton, NJ, United States and Ralph A Kahn, NASA/Goddard Space Flight Ctr, Greenbelt, MD, United States
Primary Liaison:  Rong Fu, University of California, Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States


Geostationary and Polar-orbiting Satellite Constellation for Air Quality and Atmospheric Composition
Primary Convener:  Shobha Kondragunta, NOAA College Park, College Park, MD, United States and None
Conveners:  Diego G Loyola, German Aerospace Center (DLR), Remote Sensing Technology Institute (IMF), Oberpfaffenhofen, Germany, Claus Zehner, European Space Research Institute, Frascati, Italy, James F Gleason, NASA Goddard SFC, Greenbelt, MD, United States and None
Primary Liaison:  Diego G Loyola, German Aerospace Center (DLR), Remote Sensing Technology Institute (IMF), Oberpfaffenhofen, Germany and None


Global and local effects of the COVID-19 related quarantine measures on Air Quality and emissions
Primary Convener:  Fei Liu, NASA Goddard Space Flight Center, Greenbelt, MD, United States
Conveners:  Brian C McDonald, Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States, Pieternel Levelt, Royal Netherlands Meteorological Institute, De Bilt, Netherlands and Qi Chen, Peking University, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Beijing, China
Primary Liaison:  Fei Liu, NASA Goddard Space Flight Center, Greenbelt, MD, United States


Grand Challenge Initiative - Mesosphere / Lower Thermosphere Project
Primary Convener:  Kolbjorn Blix, Andoya Space, Andenes, Norway
Convener:  Douglas E. Rowland, NASA Goddard Space Flight Center, Greenbelt, MD, United States
Primary Liaison:  Kolbjorn Blix, Andøya Space Center, Andenes, Norway


Ground-Based Atmospheric Monitoring Networks
Primary Convener:  Dominique E Young, University of California Davis, Davis, CA, United States
Conveners:  Jenny L Hand, Colorado State Univ, Fort Collins, CO, United States, Nicole P Hyslop, University of California, Davis, CA, United States and Xiaolu Zhang, University of California - Davis, Benicia, CA, United States
Primary Liaison:  Dominique E Young, University of California Davis, Davis, CA, United States


High Precision Wide Area Continuous Methane Monitoring
Primary Convener:  Juliano Grigoleto Hayashi, MIRICO, Didcot, United Kingdom
Conveners:  Catlin G Gunn, MIRICO, Didcot, United Kingdom, Arun Kannath, MIRICO, Oxford, United Kingdom and Damien Weidmann, Rutherford Appleton Laboratory, Space Science and Technology Department, Didcot, United Kingdom
Primary Liaison:  Juliano Grigoleto Hayashi, MIRICO, Didcot, United Kingdom


High resolution Earth system modeling on large supercomputers
Primary Convener:  L. Ruby Leung, Pacific Northwest National Laboratory, Richland, WA, United States
Conveners:  Gokhan Danabasoglu, National Center for Atmospheric Research, Boulder, CO, United States, Malcolm J Roberts, Met Office Hadley center for Climate Change, Exeter, United Kingdom, Pier Luigi Vidale, University of Reading, Department of Meteorology and National Centre for Atmospheric Science (NCAS), Reading, United Kingdom and Rein Haarsma, Royal Netherlands Meteorological Institute, De Bilt, Netherlands
Primary Liaison:  L. Ruby Leung, Pacific Northwest National Laboratory, Richland, WA, United States


Investigating Atmospheric Reactivity: from Novel (VOC) Emission Sources to Advances in Observational Constraints
Primary Convener:  Therese S Carter, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States
Conveners:  Katherine Travis, NASA Langley Research Center, Hampton, VA, United States and Eva Y Pfannerstill, University of California, Berkeley, Berkeley, United States
Primary Liaison:  Therese S Carter, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States


Jetstream Dynamics, Atmospheric Rossby Waves and Associated Extreme Weather and Climate Events
Primary Convener:  Rachel H White, University of British Columbia, Vancouver, BC, Canada
Conveners:  Kai Kornhuber, Potsdam Institute for Climate Impact Research, Potsdam, Germany, Haiyan Teng, National Center for Atmospheric Research, Boulder, CO, United States and Pedram Hassanzadeh, Rice University, Houston, TX, United States
Primary Liaison:  Rachel H White, University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States


Laboratory Studies in Atmospheric Sciences
Primary Convener:  David M Wilmouth, Harvard University, Cambridge, MA, United States
Conveners:  James B Burkholder, NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, Neil McPherson Donahue, Carnegie Mellon University, Center for Atmospheric Particle Studies, Pittsburgh, PA, United States and Sarah A Styler, University of Alberta, Department of Chemistry, Edmonton, AB, Canada
Primary Liaison:  David M Wilmouth, Harvard University, Cambridge, MA, United States


Lagrangian and Climatological Transitions of Warm Boundary Layer Clouds
Primary Convener:  Isabel Louise McCoy, University of Miami, RSMAS, Miami, FL, United States; University Corporation for Atmospheric Research, Boulder, CO, United States
Conveners:  Mikael Witte, Naval Postgraduate School, Meteorology, Monterey, CA, United States; Jet Propulsion Laboratory, Pasadena, CA, United States and Mark Smalley, Jet Propulsion Laboratory, Pasadena, CA, United States
Primary Liaison:  Isabel Louise McCoy, University of Miami, RSMAS, Miami, FL, United States; University Corporation for Atmospheric Research, Boulder, CO, United States


Large Ensemble Climate Model Simulations as Tools for Exploring Natural Variability, Change Signals, and Impacts
Primary Convener:  Sebastian Milinski, Max Planck Institute for Meteorology, Hamburg, Germany
Conveners:  Nicola Maher, CIRES/ATOC CU Boulder, Boulder, United States, Raul R. Wood, Ludwig Maximilians University of Munich, Geography, Munich, Germany and Yohei Takano, Los Alamos National Laboratory, Los Alamos, NM, United States
Primary Liaison:  Sebastian Milinski, Max Planck Institute for Meteorology, Hamburg, Germany


Light Scattering and Radiative Transfer: Basic Research and Applications
Primary Convener:  Ping Yang, Texas A&M University College Station, Department of Atmospheric Sciences, College Station, TX, United States
Convener:  Lazaros Oreopoulos, NASA GSFC, Greenbelt, MD, United States
Primary Liaison:  Ping Yang, Texas A&M Univ, College Station, TX, United States


Light-Absorbing Carbon Aerosol from Observations and Models
Primary Convener:  Chao Liu, Nanjing University of Information Science and Technology, School of Atmospheric Physics, Nanjing, China
Conveners:  Yuan Wang, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Dantong Liu, University of Manchester, Manchester, United Kingdom and Joshua Peter Schwarz, NOAA Chemical Sciences Laboratory (CSL), Boulder, CO, United States
Primary Liaison:  Yuan Wang, NASA Jet Propulsion Laboratory, Pasadena, CA, United States


Low-cost air quality sensors and their application
Primary Convener:  Yi Li, SailBri Cooper Inc., Tigard, OR, United States
Conveners:  Haofei Yu, University of Central Florida, Civil, Environmental and Construction Engineering, Orlando, FL, United States and Cesunica Ivey, University of California Riverside, Chemical and Environmental Engineering, Riverside, United States
Primary Liaison:  Yi Li, Colorado State University, Fort Collins, CO, United States


Machine Learning for Weather and Climate: Predictions and Applications
Primary Convener:  Venkata Ratnam Jayanthi, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan
Conveners:  Jing-Jia Luo1, Takeshi Doi2 and Swadhin K Behera2, (1)NUIST Nanjing University of Information Science and Technology, Institute for Climate and Application Research (ICAR), Nanjing, China(2)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan
Primary Liaison:  Venkata Ratnam Jayanthi, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan


Mega-LES for Atmospheric Discovery:What Have We Learned and How Can We Improve?
Primary Convener:  William I Gustafson Jr, Pacific Northwest National Laboratory, Richland, WA, United States
Conveners:  William I Gustafson Jr, Pacific Northwest National Lab, Richland, WA, United States, Hyeyum Hailey Shin, National Center for Atmospheric Research, Boulder, CO, United States and Andrew M Vogelmann, Brookhaven Natl Lab, Upton, NY, United States
Primary Liaison:  William I Gustafson Jr, Pacific Northwest National Lab, Richland, WA, United States


Methodological improvements in fire smoke and smoke exposure
Primary Convener:  Sandra Marcela Loria Salazar, University of Oklahoma Norman Campus, School of Meteorology, Norman, OK, United States
Conveners:  Joseph L Wilkins, Saint Louis University, Saint Louis, MO, United States and Cesunica Ivey, University of California Riverside, Chemical and Environmental Engineering, Riverside, United States
Primary Liaison:  Jessica L McCarty, Miami University Oxford, Oxford, OH, United States


Microphysical and Macrophysical Properties and Processes of Ice and Mixed-Phase Clouds: Linking in Situ, Remote Sensing Observations and Multiscale Models
Primary Convener:  Minghui Diao, San Jose State University, Meteorology and Climate Science, San Jose, CA, United States
Conveners:  Yu Gu, UCLA 405 Hilgard Ave, Los Angeles, CA, United States, Xiaohong Liu, Texas A&M University College Station, College Station, TX, United States and James R Campbell, Naval Research Laboratory, Monterey, CA, United States
Primary Liaison:  Minghui Diao, San Jose State University, Meteorology and Climate Science, San Jose, CA, United States


Microplastics in the Atmosphere and Ocean
Primary Convener:  Robert A Duce, Texas A&M University College Station, Oceanography and Atmospheric Sciences, College Station, TX, United States
Conveners:  Timothy D Jickells, Univ East Anglia, Norwich, United Kingdom, Melanie Bergmann, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany and Peter S Liss, University of East Anglia, Norwich, NR4, United Kingdom
Primary Liaison:  Robert A Duce, Texas A&M University College Station, Oceanography and Atmospheric Sciences, College Station, TX, United States


Modeling Across Scales From Global to Convection-permitting: Weather, Climate, and Air Quality
Primary Convener:  Guangxing Lin, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China
Conveners:  Bryce E Harrop, Pacific Northwest National Laboratory, Richland, WA, United States, Chun Zhao, University of Science and Technology of China, School of Earth and Space Sciences, Hefei, China, Colin M. Zarzycki, Pennsylvania State University, Department of Meteorology and Atmospheric Science, University Park, PA, United States and Changhai Liu, National Center for Atmospheric Research, Boulder, CO, United States
Primary Liaison:  Guangxing Lin, Pacific Northwest National Laboratory, Richland, WA, United States


Molecular Scale Characterisation of Atmospheric Aerosol Using Simulations and Experiments
Primary Convener:  Maria Lbadaoui-Darvas, Swiss Federal Institute of Technology Lausanne, ENAC, Lausanne, Switzerland
Conveners:  Katerina S. Karadima, University of Patras, Department of Chemical Engineering, Patras, Greece, Josip Lovrić, University of Gothenburg, Chemistry and Molecular Biology, Gothenburg, Sweden, Athanasios Nenes, Ecole Polytechnique Federale de Lausanne, School of Architecture, Civil and Environmental Engineering (ENAC), Laboratory of Atmospheric Processes and their Impacts (LAPI), Lausanne, Switzerland and Céline Toubin, University of Lille, Villeneuve D Ascq, France
Primary Liaison:  Maria Lbadaoui-Darvas, Swiss Federal Institute of Technology Lausanne, ENAC, Lausanne, Switzerland


Multi-Scale Processes in the East Pacific Intertropical Convergence Zone
Primary Convener:  Richard B Neale, National Center for Atmospheric Research, Boulder, CO, United States and Alex Gonzalez
Conveners:  Alex Omar Gonzalez, Iowa State University, Department of Geological and Atmospheric Sciences, Ames, IA, United States, Charlotte A DeMott, Colorado State University, Fort Collins, CO, United States and Alex Gonzalez
Primary Liaison:  Richard B Neale, NCAR, Boulder, CO, United States and Alex Gonzalez


Multi-sensor, Model, and Measurement Synergy to Improve our Understanding of Aerosol Distributions and Processes
Primary Convener:  Meloe S Kacenelenbogen, NASA Ames Research Center, Moffett Field, CA, United States
Conveners:  Olga V. Kalashnikova, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, Edward P Nowottnick, NASA Goddard Space Flight Center, Greenbelt, MD, United States and Peter Richard Colarco, NASA GSFC, Greenbelt, MD, United States
Primary Liaison:  Meloe S Kacenelenbogen, NASA Ames Research Center, Moffett Field, CA, United States


Neutral Atmosphere Science Advances Using GNSS Radio Occultation
Primary Convener:  Benjamin Ryan Johnston, University Corporation for Atmospheric Research, Boulder, CO, United States
Conveners:  Wei Xia-Serafino, NOAA, Silver Springs, MD, United States and Jing-Shan Hong, Central Weather Bureau, Taiwan, Taipei, Taiwan
Primary Liaison:  Benjamin Ryan Johnston, University Corporation for Atmospheric Research, Boulder, CO, United States


Numerical coupling of atmospheric processes in current and future models: challenges and paths forward
Primary Convener:  Hui Wan, Pacific Northwest National Laboratory, Richland, WA, United States
Conveners:  Sean Patrick Santos, Columbia University, New York, NY, United States; NASA Goddard Institute for Space Studies, New York, NY, United States and Ben J Shipway, United Kingdom Met Office, Exeter, United Kingdom
Primary Liaison:  Hui Wan, Pacific Northwest National Laboratory, Richland, WA, United States


Observation and model studies of cloud properties and associated processes
Primary Convener:  Chuanfeng Zhao, Beijing Normal University, College of Global Change and Earth System Science, Beijing, China
Conveners:  Jonathan H. Jiang, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Xiquan Dong, University of North Dakota, Grand Forks, ND, United States and Kuan-Man Xu, NASA Langley Research Center, Hampton, VA, United States
Primary Liaison:  Jonathan H. Jiang, NASA Jet Propulsion Laboratory, Pasadena, CA, United States


Planetary Boundary Layer Science-Focused Remote Sensing
Primary Convener:  Stephen Sylvain Leroy, Atmospheric and Environmental Research Lexington, Lexington, MA, United States
Conveners:  Chi O Ao, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States and Feiqin Xie, Texas A&M University-Corpus Christi, Corpus Christi, TX, United States
Primary Liaison:  Stephen Sylvain Leroy, Harvard Univ, Cambridge, MA, United States


Process-based Testing and Evaluation of Weather and Climate Models
Primary Convener:  Weiwei Li, National Center for Atmospheric Research and Developmental Testbed Center, Boulder, CO, United States
Conveners:  Michael B Ek, National Center for Atmospheric Research and Developmental Testbed Center, Boulder, United States, Lulin Xue, National Center for Atmospheric Research, Developmental Testbed Center, Boulder, CO, United States and Stan Benjamin, NOAA Global Systems Laboratory, Boulder, CO, United States
Primary Liaison:  Weiwei Li, National Center for Atmospheric Research and Developmental Testbed Center, Boulder, CO, United States


Process-level Understanding of Cloud-Aerosol-Precipitation Interactions and Their Parameterizations in Weather and Climate Models
Primary Convener:  Seoung Soo Lee, University of Maryland College Park, College Park, MD, United States
Conveners:  Vaughan T Phillips, Lund University, Department of Physical Geography and Ecosystem Science, Lund, Sweden, Kentaroh Suzuki, Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan and Hyungjun Kim, University of Tokyo, Tokyo, Japan
Primary Liaison:  Seoung Soo Lee, NOAA/ESRL, Boulder, CO, United States


Process-Oriented Analysis of Cloud and Precipitation Physics
Primary Convener:  Jennifer E Kay, University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES), Boulder, CO, United States and Jennifer E. Kay
Conveners:  Kentaroh Suzuki, Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan, Minghuai Wang, Nanjing University, Nanjing, China, Florent Brient, LMD/IPSL, Rennes, CDX, France and Jennifer E. Kay
Primary Liaison:  Jennifer E Kay, University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES), Boulder, CO, United States and Jennifer E. Kay


Progress in Reanalysis: Development, Evaluation, and Application
Primary Convener:  Jan Dominik Keller, Deutscher Wetterdienst, Offenbach, Germany; Hans-Ertel-Centre for Weather Research, Climate Monitoring and Diagnostics, Bonn, Germany
Conveners:  Michael G Bosilovich, Earth Sciences Division, Greenbelt, MD, United States and Masatomo Fujiwara, Hokkaido Univ, Sapporo, Japan
Primary Liaison:  Jan Dominik Keller, Deutscher Wetterdienst, Offenbach, Germany; Hans-Ertel-Centre for Weather Research, Climate Monitoring and Diagnostics, Bonn, Germany


Regional climate: modeling, analysis, and impacts
Primary Convener:  Paul Aaron Ullrich, University of California Davis, Davis, CA, United States
Conveners:  Melissa S Bukovsky, National Center for Atmospheric Research, CISL&RAL/RISC, Boulder, CO, United States and L. Ruby Leung, Pacific Northwest National Laboratory, Richland, WA, United States
Primary Liaison:  Paul Aaron Ullrich, University of California Davis, Land, Air & Water Resources, Davis, CA, United States


Regional climatic responses to global warming of 1.5ºC
Primary Convener:  Xu Yue, NUIST Nanjing University of Information Science and Technology, Nanjing, China
Conveners:  Zhihong Jiang, NUIST, Nanjing, China, Zhengyu Liu, The Ohio State University, Columbus, OH, United States and Weidong Guo, Nanjing University, School of Atmospheric Sciences,Joint International Research Laboratory of Atmospheric and Earth System Sciences, Nanjing, China
Primary Liaison:  Yadong Lei, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China


Remote Sensing of CH4 and CO2 from Space: The Expanding Observing System
Primary Convener:  Scot M Miller, Johns Hopkins University, Department of Environmental Health and Engineering, Baltimore, MD, United States
Conveners:  Chris O'Dell, Cooperative Institute for Research in the Atmosphere, Fort Collins, CO, United States, Vivienne Payne, NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States and Jonathan E Franklin, Harvard University, Cambridge, MA, United States
Primary Liaison:  Scot M Miller, Johns Hopkins University, Department of Environmental Health and Engineering, Baltimore, MD, United States


Remote Sensing of Fire Processes and Biomass Burning (BB) Emissions
Primary Convener:  Edward J Hyer, Naval Research Lab Monterey, Marine Meteorology, Monterey, CA, United States
Conveners:  Shobha Kondragunta, NOAA College Park, College Park, MD, United States, Sanath Sathyachandran Kumar, ASRC Federal Data Solutions, Contractor to the U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center, Sioux Falls, SD, United States and Olga V. Kalashnikova, NASA Jet Propulsion Laboratory, Pasadena, CA, United States; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States
Primary Liaison:  Shobha Kondragunta, NOAA College Park, College Park, MD, United States


Small Satellites as Pathfinders for New Mission Capabilities
Primary Convener:  William H Swartz, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States
Conveners:  Charles D Norton, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Pamela Millar, NASA Goddard Space Flight Center, Greenbelt, MD, United States and David M Klumpar, Montana State University, Bozeman, MT, United States
Primary Liaison:  William H Swartz, Johns Hopkins Univ, Laurel, MD, United States


Sources and impacts of primary and secondary biological aerosols
Primary Convener:  Tamanna Subba, University of Michigan Ann Arbor, Department of Climate and Space Sciences and Engineering, Ann Arbor, United States
Conveners:  Swarup China1, Dandan Wei2 and Allison L Steiner2, (1)Pacific Northwest National Laboratory, Richland, WA, United States(2)University of Michigan Ann Arbor, Department of Climate and Space Sciences and Engineering, Ann Arbor, MI, United States
Primary Liaison:  Tamanna Subba, University of Michigan Ann Arbor, Department of Climate and Space Sciences and Engineering, Ann Arbor, United States


Stratospheric composition change, its impact on climate and understanding of uncertainties in data records
Primary Convener:  Irina V Petropavlovskikh, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States
Convener:  Sophie Godin-Beekmann, LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Paris Cedex 05, France
Primary Liaison:  Ryan M Stauffer, USRA at NASA/GSFC, Greenbelt, MD, United States


Subseasonal to Seasonal Climate Prediction, Processes, and Services
Primary Convener:  Andrew William Robertson, International Research Institute for Climate and Society, Columbia University, Palisades, NY, United States
Conveners:  Arun Kumar, NOAA/NCEP, College Park, MD, United States, Kathleen Pegion, George Mason University, Fairfax, VA, United States and Zhuo Wang, University of Illinois, Urbana, IL, United States
Primary Liaison:  Andrew William Robertson, Columbia University, International Research Institute for Climate and Society, Palisades, NY, United States


Success for Early-Career Scientists in Atmospheric Chemistry: Proposals, Networking, and Support
Primary Convener:  Ernie R Lewis, Brookhaven National Laboratory, Upton, NY, United States
Conveners:  Annmarie G Carlton, University of California, Irvine, Irvine, CA, United States, Joel A Thornton, University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States, Colette L Heald, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States and Sergey Nizkorodov, Univ California, Irvine, CA, United States
Primary Liaison:  Ernie R Lewis, Brookhaven National Laboratory, Upton, NY, United States


Tethered Aerosystems
Primary Convener:  Kathleen McNamara, Oklahoma State University Main Campus, Stillwater, OK, United States
Conveners:  Geoffrey Bland, NASA, Goddard Space Flight Center, Greenbelt, MD, United States and Richard Cairncross, Drexel University, Chemical & Biological Engineering, Philadelphia, PA, United States
Primary Liaison:  Geoffrey Bland, NASA, Goddard Space Flight Center, Greenbelt, MD, United States


The Dynamics of the Large-Scale Atmospheric Circulation in Past, Present, and Future Climate: Jet Streams, Storm Tracks, Stationary Waves, and Monsoons
Primary Convener:  Lei Wang, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States
Conveners:  Isla Simpson, National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, CO, United States, Gang Chen, University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States and Simona Bordoni, University of Trento, Trento, Italy
Primary Liaison:  Lei Wang, The University of Chicago, Chicago, IL, United States


The Impacts of Secondary Organic Aerosols on Cloud Formation and the Associated In-Cloud Aqueous Reactions
Primary Convener:  Maria A Zawadowicz, Brookhaven National Laboratory, Upton, NY, United States
Convener:  Yue Zhang, Texas A&M University, Galveston, TX, United States
Primary Liaison:  Maria A Zawadowicz, Brookhaven National Laboratory, Upton, NY, United States


The Madden-Julian Oscillation and Convectively Coupled Waves in the Tropics: Observations, Theory, Modeling, and Prediction
Primary Convener:  Daehyun Kim, University of Washington Seattle Campus, Seattle, WA, United States
Conveners:  Xianan Jiang, JIFRESSE/UCLA, Pasadena, CA, United States and Eric D Maloney, Colorado State University, Atmospheric Science, Fort Collins, CO, United States
Primary Liaison:  Daehyun Kim, University of Washington Seattle Campus, Atmospheric Sciences, Seattle, WA, United States


The past and future of fire
Primary Convener:  Yang Li, Baylor University, Waco, TX, United States
Convener:  Pengfei Liu, Georgia Institute of Technology, Atlanta, GA, United States
Primary Liaison:  Yang Li, Baylor University, Waco, TX, United States


Tropical Cyclones: Observations, Modeling and Predictability
Primary Convener:  Zhuo Wang, University of Illinois at Urbana Champaign, Department of Atmospheric Sciences, Urbana, IL, United States and Scott Braun
Conveners:  Scott A Braun, NASA/GSFC, Greenbelt, MD, United States, Patrick Harr, Jupiter Intelligence, San Mateo, United States and Scott Braun
Primary Liaison:  Zhuo Wang, University of Illinois, Urbana, IL, United States and Scott Braun


Tropospheric Ozone Trends in a Rapidly Changing World
Primary Convener:  Si-Wan Kim, Irreversible Climate Change Research Center, Yonsei University, Seoul, South Korea
Conveners:  Owen R Cooper, CIRES, U. of Colorado/ NOAA Chemical Sciences Laboratory, Boulder, CO, United States and Meehye Lee, Department of Earth and Environmental Science, Korea University, Seoul, South Korea
Primary Liaison:  Meiyun Lin, Program in Atmospheric and Oceanic Sciences, Princeton University/ NOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States


Tropospheric Ozone Trends Over India from 2004-2020
Primary Convener:  Shakirah Tahani Rogers, Spelman College, Physics, Atlanta, GA, United States
Convener:  Guanyu Huang, Department of Environmental & Health Sciences, Spelman College, Atlanta, GA, United States
Primary Liaison:  Shakirah Tahani Rogers, Spelman College, Physics, Atlanta, GA, United States


Understanding and Modeling of Mesoscale and Severe Local Convective Storm Processes
Primary Convener:  Zhe Feng, Pacific Northwest National Laboratory, Richland, WA, United States
Conveners:  Jiwen Fan, Pacific Northwest National Laboratory, Richland, WA, United States, Rebecca Adams-Selin, Atmospheric and Environmental Research, Lexington, MA, United States and Kristen Lani Rasmussen, Colorado State University, Atmospheric Science, Fort Collins, CO, United States
Primary Liaison:  Jiwen Fan, Pacific Northwest National Laboratory, Richland, WA, United States


Understanding Climate and Ozone Impacts From Anthropogenic and Natural Stratospheric Aerosol Emissions Through Observational and Modeling Studies
Primary Convener:  Christopher Maloney, NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States; Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States
Conveners:  Karen Hepler Rosenlof, NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, Pengfei Yu, Jinan University China, Institute for Environment and Climate Research, Guangzhou, China and Martin Ross, The Aerospace Corporation Los Angeles, Los Angeles, CA, United States
Primary Liaison:  Christopher Maloney, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States


Where are the Gaps in Monitoring, Forecasting and Managing Air-Quality in Developing Countries?
Primary Convener:  Falguni Patadia, Universities Space Research Association Huntsville, Huntsville, AL, United States
Conveners:  Christa Hasenkopf, US Agency for International Development, Falls Church, United States, Jessica Seddon, World Resources Institute, Washington DC, United States and Urvashi Narain, World Bank, Washington, United States
Primary Liaison:  Falguni Patadia, Morgan State University, Greenbelt, MD, United States