Join via Zoom (Register for Passcode) Zoom ID: 924 9528 4134 (Register for Passcode) Chaired by: Sue Gray Geopotential Jet Regimes - A Hybrid Approach to Understanding Euro-Atlantic Non-Linearity Josh Dorrington, PhD Researcher, University of Oxford ​ Northern Hemisphere Blocking Simulation in HadGEM3-GC4 Compared to the Climate Model Intercomparison Project Phase 5 and 6 Multi-Model Ensembles Reinhard Schiemann, Associate Professor, NCAS, University of Reading Contrasting Dynamics of Short and Long Atmospheric Blocks Tim Woollings, Professor, University of Oxford Tor Bergeron and the Birth of Synoptic Analysis: Air-Mass Analysis and Antecedents to the Shapiro–Keyser Cyclone Model Prof David M. Schultz, Professor of Synoptic Meteorology, Centre for Atmospheric Science, and Centre for Crisis Studies and Mitigation, University of Manchester The Life Cycle of Meridional Heat Flux Peaks Andrea Marcheggiani, PhD Student, University of Reading Extracting Likely Scenarios from High Resolution Forecasts in Real-Time Kris Boykin, PhD Student, University of Reading

Join via Zoom (Register for Passcode) Zoom ID: 991 8311 2455 (Registerfor Passcode) Chaired by: Robin Chadwick How Interactions Between Tropical Depressions and Western Disturbances Affect Heavy Precipitation in South Asia Kieran M Hunt, Senior Research Scientist, NCAS, University of Reading Indian Monsoon Low-Pressure Systems in Subseasonal-to-Seasonal Prediction Models Akshay Deoras, PhD Student, Department of Meteorology, University of Reading Patterns of 2016 Indian Monsoon Convection in the Met Office Unified Model and Ground Weather Radar Observations Alex Doyle, PhD Candidate, Department of Meteorology, University of Reading Effect of Moisture and Evaporation-Wind Feedback on the Dispersive Characteristics of Madden Julian Oscillation Kartheek Mamidi, PhD Student, Dept of Physics, Central University of Kerala Historical Variability and Lifecycles of North Atlantic Midlatitude Cyclones Originating in the Tropics Alexander Baker, Research Scientist, NCAS, University of Reading

Join via Zoom (Register for Passcode) Zoom ID: 977 0817 5367 (Registerfor Passcode) Chaired by: Dann Mitchell Temperature-Related Health Risk in the UK Katty Huang, Postdoctoral Research Fellow, University of Reading; University College London ​ Downscaling ERA5 to Indoor Temperatures in Ghana Chloe Brimicombe, Environmental Climate Science PhD Researcher, University of Reading ​ Evaluation of Seasonal Variations of Selected Indices of Human Thermal Comfort in Nigeria Mojisola O. Adeniyi, Lecturer, University of Ibadan and Muyiwa P. Aajakaiye, Lecturer and PhD Student, Anchor University, Lagos Social Sensing of Heatwaves James C. Young, Research Associate, University of Exeter The Winter UHI – A Protective Effect? Impacts of the UHI and Urban Heat Mitigation on Health for Present and Future Climate in a European City Dr Helen Macintyre, Senior Environmental and Public Health Scientist, Centre for Radiation Chemicals and Environmental Hazards, Public Health England, School of Geography, Earth and Environmental Sciences, University of Birmingham A Novel Way to Monitor Heatwave Deaths Dr Eunice Lo, Research Associate, University of Bristol Future Changes in High-Impact Events in Convection-Permitting Projections Prof Lizzie Kendon, Science Fellow and Manager of Understanding Regional Climate Change, Met Office, UK and Professor in Faculty of Science, Bristol University

Join via Zoom (Register for Passcode) Zoom ID: 934 8334 1139 (Registerfor Passcode) Chaired by: Grenville Lister ​ High-Resolution Climate Modelling on ARCHER2: Technical Developments and Performance Results Annette Osprey ​ Jupyter Notebooks on JASMIN - The JASMIN Notebook Service Ag Stephens, Head of Partnerships, CEDA, NCAS / STFC / CEDA Arrivals Service - Working with Other NERC Data Centres to Share the Load Samuel Pepler, CEDA Curation Manager, NCSA/CEDA Preparing the UKCA Composition Model for Exascale Supercomputing Applications Luke Abraham, Principal Research Associate, NCAS & Department of Chemistry, University of Cambridge Assessing the Quality of State-of-the-Art Regional Climate Information: The Case of the UK Climate Projections 2018 Dr Marina Baldissera Pacchetti, Research Fellow, Sustainability Research Institute, School of Earth and Environment, University of Leeds and ESRC Centre for Climate Change Economics and Policy

Join via Zoom (Register for Passcode) Zoom ID: 942 6736 4446 (Registerfor Passcode) Chaired by: Laura Wilcox The Role of Aerosol Forcing for Recent Historical Pacific Decadal Variability Dr Andrea Dittus, Research Scientist, NCAS, University of Reading What Controls the Historical Timeseries of Shortwave Fluxes in the North Atlantic? Daniel Grosvenor, NCAS Research Fellow, NCAS, University of Leeds Extreme Dust Weather over East Asia: Insights from the CAMS Reanalysis and High-Resolution Modeling Dhirendra Kumar, Research Scientist, NCAS, University of Reading How Does Anthropogenic Aerosol Forcing Drive a Strengthening of the AMOC in CMIP6 Historical Simulations? Dr Jon Robson, Principal Research Scientist, NCAS, University of Reading The Red Sky: Investigating the Hurricane Ophelia Saharan Dust and Biomass Burning Aerosol Event Dr Kevin P. Wyche, Research Centre Director, Centre for Earth Observation Science, University of Brighton Is Anthropogenic Global Warming Accelerating? Stuart Jenkins, PhD Researcher, AOPP, Dept. of Physics, University of Oxford Evaluation of UKESM1’s Sulphur Cycle Dr Catherine Hardacre, Scientist, Met Office

Join via Zoom (Register for Passcode) Zoom ID: 929 8576 1185 (Register for Passcode) Chaired by: Maggie Marvin Organic Emissions from Solid Fuel Combustion Sources in Delhi, India Gareth Stewart, Support Engineer, FAAM ​ Air Quality in Vietnam: Overview and Key Findings from the 2-Cities Project Dr Grant Forster, NCAS Research Scientist, University of East Anglia ​ In Situ Ozone Production is Highly Sensitive to Volatile Organic Compounds in the Indian Megacity of Delhi Beth Nelson, PhD Student, University of York Observations of Volatile Organic Compounds in Vietnamese Cities Jim Hopkins, Experimental Officer, NCAS, WACL, University of York Source Apportionment of Particulate Matter using One Year of Hourly Trace Metal Data at an Urban Background Site in London Anja H. Tremper, Research Fellow, Imperial College London

Join via Zoom (Register for Passcode) Zoom ID: 994 8777 7018 (Register for Passcode) Chaired by: Juliane Schwendike Relationships Between Equatorial Waves and TC Activity in the West Pacific Xiangbo Feng, Research Scientist, NCAS ​ Increasing Tropical Cyclone Intensity and Potential Intensity in the Subtropical Atlantic around Bermuda from an Ocean Heat Content Perspective 1955 - 2019 Samantha Hallam, Post-Doctoral Researcher, Irish Climate Analysis Research Unit, Maynooth University, Ireland ​ The Impact of Tropical Cyclones on Potential Offshore Wind Farms in Mexico Dr Oscar Martinez-Alvarado, Research Scientist, NCAS, University of Reading Tropical Cyclones in Future HighResMIP Experiments : Explaining and Reconciling Projections Benoît Vannière, Research Scientist, NCAS, University of Reading The Reason for the Observed Increase in Hurricane and Named Storm Activity Conor McMenemie, Lead Researcher, NiCE Research

Join via Zoom (Register for Passcode) Zoom ID: 933 0721 1527 (Register for Passcode) Chaired by: Shona Wilde Monthly Estimation of Ozone Monitoring Instrument-Aerosol Index (OMI-AI) from Meteorological Data in Southern Nigeria Mukhtar Abubakar Balarabe, Lecturer, Department of Physics, Umaru Musa Yar`adua University, Katsina. Katsina state, Nigeria An Assessment of the Airborne Performance of two UV Ozone Photometers Onboard the FAAM Airborne Laboratory Jake Vallow, Assistant Core Chemistry Technician at the FAAM Airborne Laboratory, NCAS ​ Sensitivity of Ozone Production in the UK to VOC and NOx Levels Michael Sanderson, Senior Scientist, Met Office Identifying Sources for Methane Mitigation using Mobile Atmospheric Greenhouse Gas Flux and Isotope Measurements Dr Rebecca Fisher, Lecturer, Department of Earth Sciences, Royal Holloway University of London Tropospheric Ozone in the North Atlantic: Comparison of UM-UKCA and Remote Sensing Observations for 2005-2018 Dr Maria Russo, Research Associate, NCAS, University of Cambridge Understanding Formaldehyde and Glyoxal for New Satellite Measurements Mark Blitz, Research Scientist, NCAS

Join via Zoom (Register for Passcode) Zoom ID: 941 0351 7320 (Register for Passcode) Chaired by: Andrew Ross LES Simulations to Model the Air Flow Regimes in Urban Canyon using OpenFoam Peri Subrahmanya Hari Prasad, PhD (pursuing), Dept of CORAL, IIT Kharagpur, India ​ Variability in the Short-Range Dispersion of Passive, Short-Duration Emissions Dr Paul Hayden, EnFlo Lab Manger and AMOF Instrument Scientist, University of Surrey Using Series Basis Functions with the Complex Variable Boundary Element Method Bryce D. Wilkins, Graduate Student, Carnegie Mellon University An Evaluation of the 2020 Upgrades to the NCAS-AMOF Boundary Layer Mobile UHF Radar Wind Profiler Dr Emily Grace Norton, AMOF Instrument Scientist, AMOF-NCAS University of Manchester Modelling Chemistry and Transport in Urban Street Canyons: Comparing Offline Multi-Box Models with Large-Eddy Simulation Yuqing Dai, PhD Student, University of Birmingham The Reason I Am Switching from Vector to Scalar Averaging for Surface Wind Data David Hooper, NCAS Instrument Scientist, NCAS

Join via Zoom (Register for Passcode) Zoom ID: 981 3483 3343 (Register for Passcode) Chaired by: Neal Butchart A Minimal Model for Predictability from the Stratosphere Prof Andrew Charlton-Perez, Prof. of Meteorology, University of Reading ​ Interactions Between the Stratospheric Polar Vortex and Atlantic Meridional Overturning Circulation On Multiple Timescales Oscar Dimdore-Miles, PhD Student, University of Oxford Regime Behavior in the Upper Stratosphere as a Precursor of Stratosphere-Troposphere Coupling in the Northern Winter Dr Hua Lu, Research Scientist, British Antarctic Survey Stratospheric Response to Natural Forcings and Varying Tropospheric Aerosol Levels Dr Beatriz Monge-Sanz, Research Scientist, NCAS and University of Oxford Arctic Ozone Depletion in 2019/20: Roles of Chemistry, Dynamics and the Montreal Protocol Dr Wuhu Feng, NCAS Scientist, NCAS, University of Leeds

Join via Zoom (Register for Passcode) Zoom ID: 932 0922 9586 (Register for Passcode) Chaired by: Stephen Mobbs Calculating and Communicating Ensemble-Based Volcanic Ash Risk for Aviation Dr Natalie Harvey, Research Scientist, University of Reading ​ Rainfall Rescue: Improving Understanding of UK Rainfall Related Risks with Citizen Scientist Volunteers Prof Ed Hawkins, NCAS, University of Reading Plastics in the Atmosphere – Lessons from Public Health and Covid-19 on the Perception and Communication of Risk Prof Mary E Black, Non Executive Director, NCAS and St Andrews University ​ Climatology of Lightning Strikes in Germany from 2009 - 2020 Lauren Rootham Sensitivity Analysis of Hazard Impact Model Vulnerability Inputs Dr Faye Wyatt, Senior Weather Impact Scientist, Met Office