Atmosphere Model, Chemistry, Earth System Prediction, CVC, and Whole Atmosphere Working Group Meeting 2026

Agenda Track
Agenda File
Joint Agenda

Monday, February 2nd - Joint Agenda

Mesa Lab - Main Seminar Room

Overview of CAM7 + Ocean developments

Peter Lauritzen/Ian Grooms/Gustavo Marques

 

Overview of chemistry/aerosols developments

Simone Tilmes

 

Overview of whole atmosphere modeling developments

Nick Pedatella

 

The path towards CESM3 and status of coupled simulations

Cecile Hannay

 

Latest CESM3 development runs - how are they looking?

Isla Simpson

 

Tropical variability in CESM3

Rich Neale

 

Break

Plans for and progress on the E3SMv4 Atmosphere Model

Christopher Terai (Remote)

 

Tropical Cyclones in CAM7: Assessing the Impact of Prognostic Momentum Fluxes and Convective Parameterization at Global and Storm Scales

Ben Stephens

 

 

Analyses of stratospheric waves in high-resolution (1/8-degree) CAM

Julio Bacmeister

 

Incorporating CLUBB-MF in km-scale simulations with CESM

Adam Herrington

 

Adjourn

Agenda Track

Tuesday, February 3rd - Joint Agenda

Mesa Lab - Main Seminar Room

General cross working group session

Deep Convective Transport in CAM-Chem is Sensitive to Nudging Analysis Choice

Ren Smith (Remote)

 

Investigating the atmospheric response to radiation belt electron precipitation

Luisa Capannolo (Remote)

 

Aerosol-Ice-Cloud Interactions in a Perturbed Parameter Ensemble

Brandon Duran (Remote)

Fast-track evaluation of ENSO performance using a comprehensive suite of GFDL models

Jiale Lou

 

Coupled development of systematic tropical ENSO-related seasonal forecast errors

Jonathan Beverley

 

Break

QBO impacts on MJO through mesoscale convective systems in the observations and models

Kai Huang

 

Implementation of the CMIP7 volcanic sulfur emissions in CESM and its impact in WACCM6 compared to CMIP6

Ilaria Quaglia

 

Lunch

Overview Talks

Bridging the Gap Between Field Measurements and CESM: Updates from the INFORM Project

Ryan Patnaude

 

PPE-based model calibration in the presence of model structural error

Qingyuan Yang (Remote)

 

Towards a machine learning enhanced version of the Community Earth System Model (CESM3-MLe)

David Lawrence

 

Extending CAMulator to Subseasonal Prediction

Kirsten Mayer

 

CESM Unified Postprocessing and Diagnostics (CUPiD) package

Mike Levy

 

Break

CAM4 Aquaplanet in CAM-SIMA code base and what is in the pipeline …

Haipeng Lin & Jesse Nusbaumer

 

ESPWG update

CVCWG Update

Discussion session (MIPs, emissions/forcings)

 

Agenda Track
Agenda File
AMWG Agenda

Wednesday, February 4th - AMWG Agenda

Mesa Lab - Main Seminar Room

Atmospheric controls on marine heat waves in the Gulf of Guinea using CESM2 (work in progress)

Frederic Koutela (Remote)

The next generation of the Norwegian Earth System Model - NorESM3

Ada Gjermundsen (Remote)

Achieving local energy conservation in CAM

Thomas Toniazzo (Remote)

Software Developments

A prototype automatically differentiable CAM-SE in python using Jax

Owen Hughes (Remote)

Neurosymbolic Translation Pipeline of CLM-ml to JAX

Aya Lahlou (Remote)

Utilizing CAM Fortran physics in the E3SM Atmospheric model in C++

Ren Stengel

Break

Topography and SGH generation for ultra-high resolution grids

Mark Taylor

Nudging capability/software 

Patrick C.

Evaluating a Neural-Network Approach to Deep Convection in CAM6: Improvements and Remaining Challenges

Xavier Levine

Lunch

Sensitivity to ZM Convective Parcel Temperature Properties in CAM7

Rich Neale

CAM7 high resolution (~25km)

Cecile Hannay

Not all regional biases are created equal

Vince Larson (Remote)

Optimizing Objective Model Calibration approaches using Single Column Models

Pappu Paul

Leveraging observations and model experiments for constraints on tropical convection in CAM

Todd Emmenegger

Wrap-up

Adjourn

Agenda Track
Agenda File
CCWG_WAWG-agenda-2026.docx.pdf

Wednesday, February 4th - CCWG Agenda

Mesa Lab - Chapman Room

Welcome

 

D/E region variability over Scandinavia with WACCM-RR

Marcin Kupilas (Remote)

 

CESM2-SLH: Implementation of Short-Lived Halogen Sources and Chemistry in CESM (CAM6 and CAM6_dev): Current Release and Future Steps

Rafa Fernandez

 

 

Assessing the drivers of the temporal variations in methane loss

Ben Gaubert

 

Iron-Catalyzed Chlorine Production: Reconciling δ¹³C-CO Observations with Uncertain Methane Budget Impacts

Yu Yao (Remote)

 

Shifts in atmospheric composition since the preindustrial modified the transport and deposition of mercury (Hg)

Ari Feinberg (Remote)

 

Break

Effects of plume rise on long-range transport of wildfire aerosols and Arctic clouds using the Multi-Scale Infrastructure for Chemistry and Aerosols (MUSICAv0) model

Weiyi Wang (Remote)

 

Observation-oriented CAM6 modification on Southern Ocean Cloud Condensation Nuclei and the Influence on Cloud Droplet Number Concentration

Quing Niu

 

Enhancements to the CESM Chemical Forecast System: Upgrading from CESM2 to CESM3

Shawn Honomichl

 

Physical Perturbation of Atmospheric States

Siddharth Rout (Remote)

 

Lunch

 

 

Quantifying the Changing Role of Natural Aerosols in Brazil’s Air Quality and Health Impacts

Adwoa Aboagye-Okyere (Remote)

 

Improved Representation of Aerosol–Photolysis Interactions in CESM Using TUVx: Implications for Ozone Loss and Surface UV After the Mount Pinatubo Eruption

Jun Zhang

Atmospheric and Climatological Responses to Past Encounters with Dense Interstellar Clouds

Jesse Miller (Remote)

 

Modeling Volcanic Ash Impacts of the 2010 Eyjafjallajökull Eruption

Lily Wu (Remote)

 

Transient Responses of Northern Hemisphere Wintertime Circulation to Stratospheric Soot Injection

Simchan Yook

 

AIDE-SAI (AI-driven emulation framework for Stratospheric Aerosol Injection)

Susanne Baur

 

Discussion / Next steps

 

Adjourn

Agenda Track
Agenda File
CVCWG-agenda-2026.docx.pdf

Wednesday, February 4th - CVCWG Agenda

Mesa Lab - Damon Room

Extreme Rainfall Events in Tanzania

Paul Limbu (Remote)

From bust to deluge: How unusual was the 2020→2021 North American monsoon swing

Ariana Varulo-Clarke (Remote)

Separating circulation-driven and moisture-driven precipitation decline in Mediterranean-type climates

Robert Doane-Solomon (Remote)

Local and remote impacts of large-scale agrivoltaics on climate and ecosystem responses

Mengqi Jia (Remote)

Nowcasting the Climate: How well can we quantify when 1.5°C of global warming has been exceeded?

John Niklas (Remote)

Transition processes that end multi-year La Nina

Gerald Meehl

Break

The response of CAM6 to bias-corrected historical ocean observations

Nathan Lenssen

Atmospheric response to various SST forcings: the role of nonlinearity

Dong Wang Kim (Remote)

An interpretation of pacemaker experiments: insights from tropical Pacific-Atlantic interactions

Yusen Liu

Tropical Circulation Variance Response to Climate Change: Competing Influences of Energy Budget Variability and Gross Moist Stability

Zhenghe Xuan (Remote)

Climate models exaggerate the impact of greenhouse gases on recent interhemispheric temperature patterns and tropical climate

Chengfei He (Remote)

Sensitivity of Northeast Pacific Marine Heatwaves to Seasonality of Tropical and Local Dynamics

Tongtong Xu

Lunch

Agenda Track
Agenda File
ESPWG Agenda

Wednesday, February 4th - ESPWG Agenda

Mesa Lab - Damon Room

Quantifying sources of subseasonal prediction skill in CESM2 within a perfect modelling framework

Judith Berner

Comparing forecast skill in subseasonal simulations with MPAS and CESM

Abby Jaye

Processes contributing to skillful prediction of the summer 2003 European heat wave 13 months in advance

Jerry Meehl

Assessing the Skill and Reliability of NCAR-CESM SMYLE Predictions of the North Atlantic Subtropical High in Multi-Year Timescales

Gwyneth Glanton (Remote)

Does dynamical downscaling improve multiyear prediction skill on the U.S. northeast continental shelf?

Yiming Guo (Remote)

Mechanisms driving subpolar North Atlantic upper ocean heat content predictability in CMIP6 decadal prediction systems

Dylan Oldenburg (Remote)

Break

Feasibility Assessment of Decadal Forecasts for Anticipating Disaster Impacts in the Sahel Region

Nina Omani & Emily Riddle (Remote)

Exploring the potential for reduced uncertainty projections of regional climate change

Steve Yeager

Joint CVCWG/ESPWG Discussion