AS1.1 – Numerical weather prediction, data assimilation and ensemble forecasting

AS1.2 – Forecasting the weather

AS1.3 – Aviation Meteorology: Observations, Modeling, and Operations (co-organized)

AS1.6 – Subseasonal-to-Seasonal (S2S) Prediction: meteorology and impacts

AS1.16 – Precipitation: Measurement, Climatology, Remote Sensing, and Modeling (co-organized)

AS1.19 – Infrasound, acoustic-gravity waves, and atmospheric dynamics

AS1.21 – Mountain Meteorology

AS1.22 – Multiscale Flow in complex terrain: The Perdigão Experiment | PICO

AS1.23 – Tropical Meteorology


AS1.27 – The global monsoons in current, future and palaeoclimates and their role in extreme weather and climate events (co-organized)

AS1.28 – Mid-latitude Cyclones and Storms: Diagnostics of Observed and Future Trends, and related Impacts (co-organized)

AS1.30 – Dynamical Meteorology (General Session)

AS1.31 – Joint Session of the MLT and the VarSITI-ROSMIC program (co-organized)

AS1.32 – Water vapour in the upper troposphere and middle atmosphere: a WCRP/SPARC satellite data quality assessment

AS1.33 – Dynamics and chemistry of the upper troposphere and stratosphere: observations and models

AS1.35 – Dynamical coupling between the stratosphere and the troposphere

AS1.37 – Atmospheric Convection

AS1.39 – Clouds, Circulation and Climate Sensitivity: Advances in Observations and Understanding in pursuit of a Grand Challenge

AS1.40 – Aerosols, radiation and clouds over the southeast Atlantic

AS1.41 – Clouds, Aerosols, Radiation and Precipitation (General Session)

AS2.1 – Impact of Land-Surface-Atmosphere Feedbacks on Weather and Climate (co-organized)

AS2.2 – Air-Land Interactions (General Session) (co-sponsored by iLEAPS) (co-organized) (co-organized)

AS2.3 – Boundary Layers in High Latitudes (co-organized)

AS3.1 – Aerosol Chemistry and Microphysics

AS3.2 – Atmospheric Surface Science | PICO

AS3.3 – Atmospheric Ice Particles

AS3.4 – Unprecedented Wildfires and Smoke Plumes – 2017 and Beyond (co-organized)

AS3.5 – Aeolian dust: Initiator, Player, and Recorder of Environmental Change (co-organized) | PICO

AS3.11 – Emission estimates of trace gases and aerosols constrained by space-based observations

AS3.12 – Radiative effects and global aerosol forcing estimates of natural and anthropogenic aerosols

AS3.13 – Remote Sensing of Clouds and Aerosols: Techniques and Applications

AS3.14 – MAX-DOAS and other scattered light DOAS systems: instruments, techniques and applications (co-organized) (co-organized)

AS3.15 – First Results of the Copernicus Sentinel-5 Precursor Mission

AS3.16 – Satellite observations of tropospheric composition and pollution, analyses with models and applications

AS3.17 – Global Carbon Observations and their Use for Research and Decision-Making (co-organized)

AS3.18 – Remote-Sensing of Atmospheric Carbon Dioxide and Methane

AS3.19 – Atmospheric composition variability and trends | PICO

AS3.20 – Chemistry, climate, and weather feedbacks in the Earth system

AS3.21 – Halogens in the Troposphere

AS3.22 – Gas Phase Composition and Reactivity

AS3.23 – Polar Ozone and Polar Stratospheric Clouds

AS3.24 – Advances in estimating and attributing long-term ozone and temperature trends in the middle atmosphere (co-organized)

AS3.26 – Atmospheric transport of trace species and aerosols: Modeling and observations