Agenda Draft

Monday 25 July 2022 (Regency Grand Ballroom)

09:30 – 09:45Welcome – Sandrine Bony and Daniel Klocke, CO-Chairs GASS
09:45 – 10:15Mesoscale Organisation of Shallow Cumulus Convection: an Qverview. – Pier Siebesma, Delft University of Technology
10:15 – 10:30The ubiquity of shallow circulations in the trades – Geet George, Max Planck Institute for Meteorology
10:30 – 11:00Break
11:00 – 11:15Disentangling Diurnal and Lagrangian Influences on the Evolution of Trade Wind Mesoscale Morphologies – Isabel McCoy, University of Miami & UCAR
11:15 – 11:30The Organization and Vertical Structure of Shallow Convection in Marine Cold-Air Outbreaks, based on Cold-Air Outbreaks in the Marine Boundary Layer Experiment (COMBLE): Developing the Framework for an Intercomparison Modeling Study – Timothy Juliano, NCAR
11:30 – 11:45Open-Cell Convection in Marine Cold-Air Outbreaks with Snow – Steven Krueger, University of Utah
11:45 – 12:00Unified Boundary Layer and Convection Parameterizations in Global Models – Joao Teixeira, JPL/Caltech and UCLA
12:00 – 12:15Convective Organization and 3D Structure of Tropical Upper Tropospheric cloud systems from synergistic satellite observations and Machine Learning – Claudia Stubenrauch, Laboratoire de Météorologie Dynamique IPSL CNRS
12:15 – 12:30Cold pool, CAPE, and organization of squall lines: An analytic analysis – Minghua Zhang, Stony Brook University
12:30 – 14:00Lunch
14:00 – 14:30To freeze or not to freeze – a consequential choice for cloud condensate – Felix Pithan, Alfred Wegener Institute 
14:30 – 14:45Parameterizing Unified Microphysics Across Scales (PUMAS): open science advancing simulation of cloud microphysics for weather and climate _ Andrew Gettelman, National Center for Atmospheric Research
14:45 – 15:00Two Perspectives of Ice Microphysical Impact on Cloud-Radiative Heating – Sylvia Sullivan, Department of Chemical and Environmental Engineering, University of Arizona
15:00 – 15:15Two missing physical processes in the climate models for the radiative coupling between cloud and surface in the polar regions – Xianglei Huang, University of Michigan
15:15 – 15:30How does microphysical phase relate to cloud morphology  transitions within cold-air outbreaks over the northwest Atlantic? – Paquita Zuidema, Rosenstiel School
15:30 – 16:00Break
16:00 – 16:15The GEWEX Aerosol Precipitation (GAP) initiative – an introduction – Susan van den Heever, Colorado State University
16:15 – 16:30Long-Term Single-Column Model Intercomparison of Diurnal Cycle of Precipitation Over Midlatitude and Tropical Land – Shaocheng Xie, Lawrence Livermore National Laboratory
16:30 – 16:45An aerosol-aware Lagrangian case study ensemble for LES and SCM based on the Cold-Air Outbreaks in the Marine Boundary Layer Experiment (COMBLE) – Ann Fridlind, NASA GISS
16:45 – 17:00Clouds blowing (in) the wind – Louise Nuijens, Delft University of Technology
17:00 – 17:15Introduction Breakout Groups – Sandrine Bony and Daniel Klocke
17:15 – 18:15Breakout Groups:

  • Eurec4a, Lead tbd, Room tbd
  • PhyDy, Lead tbd, Room tbd
  • GEWEX Upper Tropospheric Clouds and Convection Process Evaluation Study (UTCC PROES), Lead:Claudia Stubenrauch, Room tbd
  • Impact of Initialized Land Temperature and Snowpack on Sub-Seasonal to Seasonal Prediction (LS4P), Lead: Yongkang Xue,  Room tbd
    18:45 – 19:00Ice Beaker

    Tuesday 26 July 2022 (Regency Grand Ballroom)

    09:00 – 09:30Model spread in tropical low cloud feedback tied to overturning circulation response to warming – Kathleen Schiro, University of Virginia
    09:30 – 09:45Process-based Evaluation of Trade-Cumulus Feedback – Sandrine Bony, LMD/IPSL, CNRS, Sorbonne University
    09:45 – 10:00Positive low cloud feedback primarily caused by increasing longwave radiation from the sea surface in a climate model MIROC6 – Tomoo Ogura, National Institute for Environmental Studies
    10:00 – 10:15Subtropical low cloud feedback mechanisms in the Met Office HadGEM3-GC3.1-LL Climate Model – Mark Webb, Met Office Hadley Centre
    10:15 – 10:30Report from Breakout Groups
    10:30 – 11:00Break
    11:00 – 12:30Breakout Groups:

  • Diurnal Cycle of Precipitation (DCP), Lead: Shaocheng Xie, Room: tbd
  • Drag, Lead: Louise Nuijens, Room: tbd
  • Micro Phy, Lead: tbd, Room: tbd
  • Combles, Lead: tbdd, Room: tbd
    12:30 – 14:00Lunch
    14:00 – 14:30A room with a view (climate modeling in the space of observations) – Bjorn Stevens, Max Planck Institute for Meteorology
    14:30 – 14:45Sensitivity of Mesoscale Convective System Tracking Algorithms to Detection Thresholds and Data Resolution: A Comparison Useful for High Resolution Model Analysis – Ross Dixon, University of Nebraska – Lincoln
    14:45 – 15:00Convergence of Aqua-planet Experiments with Explicit Convection at resolution from 157 km up to 1.2km. How far are we from ITCZ convergence? – Angel Peinado Bravo, Max Planck Institute for Meteorology
    15:00 – 15:15EarthWorks – William Skamarock, National Center for Atmospheric Research
    15:15 – 15:30Toward the 220 m mesh global simulation with NICAM – Masaki Satoh, Atmosphere and Ocean Research Institute, The University of Tokyo
    15:30 – 16:00Break
    16:00 – 16:30Locally generated convections over land and their driving mechanisms: Inferences from observations – Yunyan Zhang, Lawrence Livermore National Laboratory
    16:30 – 16:45Coupling Satellite Observations and Models to Atmospheric Processes:  How Tropical Convection Influences the Saharan Dust Layer – Tristan L’Ecuyer,  University of Wisconsin-Madison
    16:45 – 17:00The Land-Ocean Contrasts in Deep Convective Cloud Intensity Using Global Satellite Observations – Hanii Takahashi, UCLA/JPL
    17:00 – 18:00Poster Session Click here for an overview of all posters per theme
    18:45 –Dinner

    Wednesday 27 July 2022 (Regency Grand Ballroom)

    09:00 – 09:30Understanding the physical processes governing the iris effect: Precipitation efficiency, upper-tropospheric stability, and possible roles of shallow convection – Hirohiko Masunaga – ISEE, Nagoya University
    09:30 – 09:45Mesoscale Convective System Cloud Shield Expansion Rates and Connection to Convective Latent Heating – Gregory Elsaesser, Columbia University & NASA GISS
    09:45 – 10:00Increased large-scale convective aggregation in CMIP5 projections: implications for tropical precipitation extremes – Martin Singh, Monash University
    10:00 – 10:15Squall lines orientation and its impact on extreme precipitations – Sophie Abramian, Laboratoire de Météorologie Dynamique
    10:15 – 10:30Tropical precipitation extremes in global storm-resolving simulations – Jiawei Bao, Max Planck Institute for Meteorology
    10:30 – 11:00Break
    11:00 – 11:15Storm-resolving simulations with IFS-NEMO/FESOM in the NextGEMS project – Tobias Becker, European Centre for Medium-Range Weather Forecasts (ECMWF)
    11:15 – 11:30Aerosol-convection interactions in global storm resolving simulations – Philip Stier, University of Oxford
    11:30 – 11:45Understanding the importance of extra-tropical cyclones for the North Atlantic free-tropospheric aerosol budget – August Mikkelsen, Department of Atmospheric Science, University of Wyoming 
    11:45 – 12:00Tropical Oceanic Cold Pools in a High-Resolution DYAMOND-ICON Simulation – Piyush Garg, University of Virginia 
    12:00 – 12:15Report from Breakout Groups
    12:15 – 14:00Lunch
    14:00 – 15:30Poster Session Click here for an overview of all posters per theme
    15:30 – 19:00Activity

    Thursday 28 July 2022 (Regency Grand Ballroom)

    09:00 – 09:30Overview of the Land surface Interactions with the Atmosphere over the Iberian Semi-arid Environment (LIAISE) Project Field Campaign – Aaron Boone, CNRM Meteo-France/CNRS
    09:30 – 09:45On the remote effects of spring Tibetan Plateau land surface temperature on African summer monsoon development – ISMAILA DIALLO, The Pennsylvania State University, Department of Meteorology and Atmospheric Science
    09:45 – 10:00Clouds blowing in the wind : momentum transport in cloudy boundary layers observed from collocated wind lidar and cloud radars and simulated with DALES – José Dias, Delft University of Technology
    10:00 – 10:15Boundary Layer Wind Balances and their In uence on Equatorial Sea-Surface Temperatures – Marius Winkler, Max-Planck-Institut für Meteorologie 
    10:15 – 10:30Understanding ENSO teleconnections and processes in the La Plata basin using river discharge as precipitation proxies with Regional Earth System model RegIPSL – Carla Gulizia, Centro de Investigaciones del Mar y la Atmosfera (CIMA/CONICET-UBA), University of Buenos Aires
    10:30 – 11:00Break
    11:00 – 12:30Breakout Groups

  • Deep Con Orga, Lead: tbd, Room: tbd
  • Arctic, Lead: tbd, Room: tbd
  • Air Sea, Lead: tbd, Room: tbd
  • The GEWEX Aerosol Precipitation (GAP) initiative, Lead: Susan den Heever, Room: tbd
    12:30 – 14:00Lunch
    14:00 – 14:30How close is close enough? The role of bulk surface fluxes in regulating tropical clouds and circulations  – Charlotte DeMott, Colorado State University
    14:30 – 14:45Local and remote land-atmospheric interaction in determining warm season rainfall and its predictability over US Great Plains – Rong Fu, UCLA
    14:45 – 15:00Land-atmosphere feedbacks, heatwave predictability, and changing seasonal moisture availability – Kirsten Findell, GFDL/NOAA
    15:00 – 15:15Enhancing UFS Land Model Development Using Hierarchical Testing – Michael Barlage, NOAA/NWS/EMC
    15:15 – 15:30Impact of an interactive vegetation scheme on seasonal forecast – Gildas Dayon, Météo-France
    15:30 – 16:00Break
    16:00 – 16:15What controls convective downdraft characteristics and why should we care? – Steven Sherwood, Climate Change Research Centre
    16:15 – 16:30A theory for deep convection initiation based on cloud base area and environmental saturation deficit – Hugh Morrison, National Center for Atmospheric Research  
    16:30 – 16:45Regime-specific Cloud Vertical Overlap Characteristics from Radar and Lidar Observations at the ARM sites – Kelly Balmes, Cooperative Institute for Research in Environmental Sciences/NOAA Global Monitoring Laboratory
    16:45 – 17:00An Intercomparison of Tropical Cirrus in the DYAMOND Simulations –Samantha Turbeville, University of Washington
    17:00 – 18:00Poster Session

    Friday 29 July 2022 (Regency Grand Ballroom)

    09:00 – 09:30Global storm and ocean-eddy resolving earth system models – Tomoki Miyakawa, The University of Tokyo
    09:30 – 09:45Progress with the Simple Cloud-Resolving E3SM Atmosphere Model – Peter Caldwell, LLNL
    09:45 – 10:00Improving climate models using nudge-to-fine corrective machine learning – Christopher Bretherton,  Allen Institute for Artificial Intelligence
    10:00 – 10:15Climate changes in a global-storm resolving model – Timothy Merlis, Princeton University
    10:15 – 10:30Report from Breakout Groups
    10:30 – 11:00Break
    11:00 – 11:15YOPPsiteMIP: The YOPP site model inter-comparison project – Gunilla Svensson, Stockholm University
    11:15 – 11:30Global Precipitation Experiment (GPEX): Concept and Status – Jin Huang, NOAA Climate Program Office
    11:30 – 11:45Demonstrating the impact of modelling coupled irrigation over regional and global domains – Adrian Lock, Met Office
    11:45 – 12:30Final Discussion

    End of the 3rd Pan-GASS Meeting, Understanding and Modeling Atmospheric Processes (UMAP 2022)