Preliminary program

DAY1: MONDAY 1 DECEMBER 2025

Opening Session
Co-chairs: Takuji Kubota and Alex Hoffmann
No JST Min Title Speaker
H101 10:00 5 Welcome Takuji Kubota
H102 10:05 5 Welcome address JAXA Futoshi Takiguchi
H103 10:10 5 Welcome address ESA Simonetta Cheli
H104 10:15 5 Welcome address National Institute of Information and Communications Technology (NICT) Motoaki Yasui
H105 10:20 5 Welcome address University of Tokyo, Atmosphere and Ocean Research Institute (AORI) Masaki Satoh
H106 10:25 15 EarthCARE Mission Status Björn Frommknecht
and
Kenta Maruyama
H107 10:40 25 Science Keynote #1: EarthCARE: Unravelling the mysteries of clouds and aerosols Robin Hogan
H108 11:05 5 Logistics Masataka Muto
- 11:10 20 Group Photo
- 11:30 90 LUNCH
Product Overview 
Co-chairs:Maki Kikuchi and Nils Madenach
H109 13:00 15 JAXA Product Overview Takuji Kubota
H110 13:15 15 ESA Product Overview Timon Hummel
Special Session: 3-Sensor and 4-Sensor Data Release 
Co-Chair: Kentaroh Suzuki, Nicolas Clerbaux and Almudena Velazquez
H111 13:30 12 EarthCARE L2 Cloud and vertical velocity products Hajime Okamoto
H112 13:42 12 ESA Cloud and Precipitation Algorithms Shannon Mason
H113 13:54 12 JAXA Radiation Budget Standard Product (ALL_RAD): Development, Validation and Early Analysis Kentaroh Suzuki
H114 14:06 12 ESA Radiation Algorithms Jason Cole
H115 14:18 12 Three-Dimensional Radiative Transfer for Cloud-Radiation Closure Hironobu Iwabuchi
H116 14:30 10 In pursuit of radiative closure above clouds: Insights from collocated airborne observations during PERCUSION Florian Ewald
H117 14:40 10 Validation of EarthCARE&rsquo's 3D scene construction algorithm using in situ and remote sensing data from the ECALOT campaign Zhipeng Qu
H118 14:50 10 Validation of EarthCARE Cloud and Precipitation Products Using FAAM Aircraft Observations: VERIFY Campaign Adam Povey
- 15:00 30 COFFEE
Novel Scientific Findings 
Co-Chairs: Hajime Okamoto and Robin Hogan
H119 15:30 12 The EarthCARE–GPM coincidence dataset: Synergistic spaceborne radar analysis of vertical motions in cloud and precipitation systems Shunsuke Aoki
H120 15:42 12 Serendipitous detections by EarthCARE’s cloud profiling radar provide the first global climatology of insects Shannon Mason
H121 15:54 12 Extending Ocean-Color Observations with Atmospheric Lidar: Chlorophyll Retrievals from EarthCARE's ATLID Gerd-Jan van Zadelhoff
H122 16:06 12 The OCEAN (Ocean Color EarthCARE ANalysis) Project: Preliminary results Gian Luigi Liberti
H123 16:18 12 Combined EarthCARE–MTG-LI Observations of Convective Storm Structure and Lightning  (Online) Blanka Piskala
Poster and L1 Algorithm Splinter Session
Poster Session (Lobby) L1 Algorithm Splinter Session (Main Hall)
Chairs: Yuichi Ohno, Gerd-Jan van Zadelhoff, Nils Madenach and Almudena Velazquez
H124 16:30 90 POSTER 17:00 10 EarthCARE/CPR L1b algorithm and calibration overview Nobuhiro Tomiyama
H125 17:10 10 ESA ATLID L1 status and update Dave Donovan
H126 17:20 10 ESA MSI L1 status and update Rene Preusker
H127 17:30 10 ESA BBR L1 status and update Nicolas Clerbaux
H128 17:40 10 Long-Term Stability of EarthCARE Level-1 Data Raul Diez Garcia
Ceremony and Ice Breaker
- 18:00 30 CEREMONY (Main Hall)
- 18:30 90 ICE BREAKER (Lobby)
- 20:00 0 END

DAY2: TUESDAY 2 DECEMBER 2025

Cloud and Precipitation Microphysics and Convective System: Observations
Co-chairs: Hajime Okamoto and Alessandro Battaglia
No JST Min Title Speaker
H201 8:30 12 Warm Rain Observations from the EarthCARE Cloud Profiling Radar Pavlos Kollias
H202 8:42 12 Unlocking the Scientific Potential of EarthCARE’s CPR Doppler Velocity Observations Bernat Puigdomènech Treserras
H203 8:54 12 Analysis of weak low-level echo by EarthCARE/CPR Nobuhiro TAKAHASHI
H204 9:06 12 A Global Climatology of Cloud-Type-Dependent Doppler Velocity from EarthCARE Cloud Profiling Radar  Haruka Hotta
H205 9:18 12 Global Identification of Convective Cores from EarthCARE Doppler Velocity Observations Alessandro Battaglia
H206 9:30 12 Inferring supersaturation from EarthCARE L2 cloud products Kentaroh Suzuki
- 9:42 10 Discussion
- 9:52 28 BREAK
Co-chairs: Tatsuya Seiki and Pavlos Kollias
H207 10:20 12 Global identification of dominant ice microphysics in cirrus clouds using EarthCARE CPR observations Tatsuya Seiki
H208 10:32 12 EarthCARE Reveals the Interplay of Coupling, Rain, and Mesoscale Structure in Marine Stratocumulus Johanna Mayer
H209 10:44 12 Investigation of the Optimal Degree of Snow Particle Riming in Dual-Frequency Radar Retrievals Using a GPM/DPR–EarthCARE/CPR Coincidence Dataset Shizuka Ohhata
H210 10:56 12 Creation and validation of precipitation particles falling velocity with simultaneous observations of the GPM and EarthCARE satellite’s radars Kaya Kanemaru
H211 11:08 12 Validation of Hydrometeor Classification Products between EarthCARE CPR radar and GPM DPR radar (Online) Minda Le
- 11:20 10 Discussion
- 11:30 90 LUNCH
Cloud and Precipitation Microphysics and Convective System: Validations 
Co-chairs: Nobuhiro Takahashi and Shannon Mason
H212 13:00 10 CPR External Calibration and Level 1/Level 2 Echo Product Validation Hiroaki Horie
H213 13:10 10 Doppler velocity validation of EarthCARE cloud profiling radar using ACTRIS ground-based cloud radar network Lukas Pfitzenmaier
H214 13:20 10 Validation of EarthCARE Doppler Velocity and microphysical precipitation products using dual-polarisation weather radar observations in Finland Dmitri Moisseev
H215 13:30 10 Ground Validation of CPR Radar Reflectivity, Doppler and Microphysics Products at the Mario Zucchelli Antarctic Site using the K2W Methodology with 24 GHz Doppler Radar, Disdrometer, and Ceilometer measurements Giacomo Roversi
H216 13:40 10 Validating EarthCARE cloud profiling target categorisation using the ACTRIS cloud radar network Ewan O'Connor
H217 13:50 10 Validation of EarthCARE Aerosol, Cloud, and Synergistic Products within ACROSS Activities Eleni Marinou
H218 14:00 10 Airborne Validation of Cloud Spatial Properties from the ATLID Instrument on EarthCARE Natalia Roldan-Henao
H219 14:10 10 Validation of Cloud Microphysics from Large-Eddy Simulation with EarthCARE Products and Ground-Based Remote Sensing Hengheng Zhang
- 14:20 10 Discussion
Science Keynote #2 
Co-chairs: Takashi Nakajima and Shannon Mason
H220 14:30 20 Cloud and convective dynamics revealed from space: multi-platform synergy and EarthCARE Hirohiko Masunaga
- 14:50 10 Discussion
- 15:00 30 COFFEE
Stratospheric Aerosols and Clouds 
Co-chairs: Tomoaki Nishizawa and Bastiaan van Diedenhoven
H221 15:30 12 Polar Stratospheric Clouds seen by the ATLID spaceborne lidar Vincent NOEL
H222 15:42 12 Stratospheric aerosol and cloud lidar measurements at the french antarctic station Dumont d’Urville Florent Tencé
H223 15:54 12 EarthCARE tracks a stratospheric smoke plume from Canada to Europe Moritz Haarig
H224 16:06 12 EarthCARE ATLID and ground based lidar synergy for tracking stratospheric aerosol composition and transport from volcanic and wildfire events Sergey Khaykin
- 16:18 12 Discussion
Poster and L1 Validation Splinter Session
Poster Session (Lobby) L1 Validation Splinter Session
Chair: Hiroaki Horie, Alessandro Battaglia, Rene Preusker, Jason Cole and Gerd-Jan van Zadelhoff
H225 16:30 90 POSTER 17:00 10 CPR L1b validation activities with DLR HALO/MIRA Doppler observations Yuki Imura
H226 17:10 10 Statistical monitoring of ATLID performance using the latest baseline L1 and L2 data flows (Online) Artem Feofilov
H227 17:20 10 Verification of EarthCARE MSI Level 1 and cloud data from the first year using MTG/FCI measurements Sebastian Bley
H228 17:30 10 Vicarious Calibration for JAXA MSI L2 cloud product (MSI_CLP) of EarthCARE Minrui Wang
H229 17:40 10 BM-RAD and BMA-FLX updates and validation Almudena Velázquez Blázquez
- 18:00 0 END

DAY3: WEDNESDAY 3 DECEMBER 2025

Cloud and Precipitation Microphysics and Convective System: Models 
Co-chairs: Masaki Satoh and Johanna Mayer
No JST Min Title Speaker
H301 8:30 12 ECOMIP for shaping climate sensitivity in global atmospheric models by cloud‐falling speed intercomparison Masaki Satoh
H302 8:42 12 Constraining a Global Storm-Resolving Model with EarthCARE Observations and a Satellite Simulator Woosub Roh
H303 8:54 12 EarthCARE’s Retrievals of Liquid Water Properties: Challenges and the Potential to Advance NWP Model Performance Zhipeng Qu
H304 9:06 12 Evaluating Global Storm-Resolving Models with a Climatology of Ice Sedimentation Velocity from EarthCARE’s Cloud Profiling Radar Jiseob Kim
H305 9:18 12 Improving the representation of ice and snow processes in the IFS using EarthCARE  Rebecca Murray-Watson
H306 9:30 12 Monitoring EarthCARE CPR Data Quality and Calibration Using the ECMWF Operational Forecast System Kamil Mroz
H307 9:42 12 Evaluation of cloud microphysics on MIROC6 utilizing Doppler CPR observation Yuhi Nakamura
- 9:54 21 BREAK
Heritage and Beyond EarthCARE
Co-chairs: Nobuhiro Takahashi and Rene Preusker
H308 10:15 15 [Future Mission Keynote] Beyond EarthCARE: the  WIVERN Earth Explorer 11 Candidate mission  Advancing Climate Science Through In-Cloud Observations of Global Winds Alessandro Battaglia
H309 10:30 10 The Contributions of the NASA CALIPSO/CloudSat Missions and its Science Team, and the Future of NASA Mission-Related Research Efforts David Considine
H310 10:40 10 Initial Thoughts on Potential Synergies between EarthCARE and PREFIRE Tristan L'Ecuyer
H311 10:50 10 LUCE: A pioneering multi-disciplinary lidar mission for Earth Sciences (Online) Paolo Di Girolamo
H312 11:00 10 The High-altitude Aerosols, Water vapour and Clouds (HAWC) satellite mission Adam Bourassa
H313 11:10 10 Extending EarthCARE’s Legacy: Building a Global, Accurate, Long-Term Radiation Budget Record with TRUTHS and ECO Thomas August
H314 11:20 10 The ESA-European Commission Earth System Science Initiative – A unique partnership and collaborative opportunity for advancing Aerosol/Cloud knowledge (Online) Edward Malina
- 11:30 90 LUNCH
EarthCARE in Operational Agencies
Co-chairs: Kozo Okamoto and Robin Hogan
H315 13:00 10 Towards Operational Assimilation of EarthCARE Cloud Radar and Lidar Observations at ECMWF Mark Fielding
H316 13:10 10 Assimilation of radar reflectivity and Doppler velocity observations from EarthCARE/CPR Yasutaka Ikuta
H317 13:20 10 Assimilating EarthCARE ATLID cloud observations in global NWP: progress in optimising the impact Michael Rennie
H318 13:30 10 Validating EUMETSAT Cloud and Aerosol Products with EarthCARE: Insights from MTG/FCI Optimal Cloud Analysis Alessio Bozzo
H319 13:40 10 EarthCARE Applications at NOAA Satya Kalluri
H320 13:50 10 Preparation for global data assimilation of EarthCARE/CPR at JMA Kozo Okamoto
H321 14:00 10 Using EarthCARE observations to evaluate aerosols in ECMWF models Robin Hogan
H322 14:10 10 Added value of EarthCARE lidar observations for characterising aerosol species in a chemical transport model Laaziz EL AMRAOUI
- 14:20 10 Discussion
Validation Keynote and Campaign Overview
Co-chairs:  Tomoaki Nishizawa and Eleni Marinou 
H323 14:30 15 ACTRIS and ATMO-ACCESS Ulla Wandinger
H324 14:45 10 EarthCARE Airborne Campaigns Overview Jonas von Bismarck
- 14:55 5 Discussion
- 15:00 45 COFFEE
Poster and Demo
- 15:45 90 POSTER and DEMO
Workshop Dinner
- 18:30 180 Workshop Dinner

DAY4: THURSDAY 4 DECEMBER 2025

Aerosol: Observations 
Co-chairs: Tomoaki Nishizawa and Paolo di Girolamo
No JST Min Title Speaker
H401 8:30 12 Development and improvement of JAXA L2 algorithms to retrieve aerosol and cloud properties using ATLID and MSI Tomoaki Nishizawa
H402 8:42 12 ESA L2 Aerosol Algorithm Ulla Wandinger
H403 8:54 12 Earth Observations and quantification of the Atmospheric Dust deposited component  Emmanouil Proestakis
H404 9:06 12 Potential of EarthCARE active observation synergy with novel passive  multi-platform satellite observations  Oleg Dubovik
H405 9:18 12 Advanced retrieval of aerosol vertical profiles using synergy of EarthCARE ATLID and diverse passive spaceborne observations Anton Lopatin
H406 9:30 12 EarthCARE validation with the PACE Postlaunch Airborne eXperiment (PACE-PAX) (Online) Kirk Knobelspiesse
- 9:42 28 BREAK
Aerosol: Validation
Co-chairs: Yoshitaka Jin and Dave Donovan
H407 10:00 10 Validation of ATLID aerosol products using ground-based observation in East Asia Yoshitaka Jin
H408 10:10 10 Validation of ATLID’s L1 and L2 depolarization ratio products  Moritz Haarig
H409 10:20 10 High-Resolution Detection of Faint Clouds and Aerosols in EarthCARE Data Using the Density-Dimension Algorithm - Concepts and First Results (Online) Ute Herzfeld
H410 10:30 10 Validation of ATLID-retrieved aerosol products against co-located ACTRIS/EARLINET ground-based lidar measurements Christina-Anna Papanikolaou
H411 10:40 10 Global cross-validation and joint-observation of Chinese and European spaceborne high spectral resolution lidars: ACDL/DQ-1 and ATLID/EarthCARE Songhua Wu
H412 10:50 10 Challenges in Validation of L2 EarthCARE Aerosol Products at the Italian atmospheric observatories in Rome-Tor Vergata (CIRAS) and Lampedusa Stefano Sensi
H413 11:00 10 Ground-based validation of aerosol optical properties using sky radiometer observations Kazuma Aoki
H414 11:10 10 Aerosol vertical profiling through the atmosphere from the near surface with synergetic ground-based observations of sun-sky photometer, spectrometer and lidar Masahiro Momoi
- 11:20 10 Discussion
- 11:30 90 LUNCH
EarthCARE Underflights 
Co-chairs: Yuichi Ohno and Chris Hostetler
H415 13:00 10 Validation of ATLID’s L1/L2 optical data using airborne lidar measurements during the PERCUSION campaign Silke Groß
H416 13:10 10 Validation of ATLID extinction and lidar-ratio of cirrus clouds using airborne measurements with the research aircraft HALO during the PERCUSION campaign: assessment of the multi-scattering correction  Martin Wirth
H417 13:20 10 Validation of cloud macrophyisal properties from different ATLID L2 products (A-TC, A-FM, A-CTH) using co-located airborne HSRL lidar observations during PERCUSION and ASCCI  Konstantin Krüger
H418 13:30 10 Validation of MSI thermal-infrared radiance and BBR broadband irradiance by high altitude airborne measurements (Online) André Ehrlich
H419 13:40 10 Evaluation of reflectivity and Doppler velocity structures from EarthCARE’s CPR with airborne W-band cloud radar observations during the ECALOT campaign Paloma Borque
- 13:50 10 Discussion
- 14:00 10 BREAK
Co-chairs: Kaori Sato and Silke Gross
H420 14:10 10 Comparison between EarthCARE and airborne measurements and products during MAESTRO and MORECALVAL field campaigns (L2 products) Emmeline FRANCOIS
H421 14:20 10 EarthCARE’s ATLID Calibration and Validation Using the NASA LaRC Airborne HSRL-2 during the First Year in Orbit August 2024 – September 2025 Johnathan Hair
H422 14:30 10 Validation of ALTID products based on dedicated underflights from NASA aircraft campaigns ARCSIX, PACE-PAX and NightBLUE Diko Hemminga
H423 14:40 10 Direct Comparisons of EarthCARE CPR and Airborne Cloud Radar System (CRS) Reflectivity and Doppler Data (Online) Matthew Walker McLinden
H424 14:50 10 Calibration and Validation of EarthCARE’s Cloud Profiling Radar Data Products: Assessment of Doppler products Simone Tanelli
- 15:00 10 Discussion
- 15:10 45 COFFEE
Co-chairs: Yuichi Ohno and Chris Hostetler
H425 15:55 10 An Overview of the Polar Night Experiment (PONEX) Aircraft Campaign for HAWC and EarthCARE Kaley Walker
H426 16:05 10 Validating EarthCARE's CPR in the Arctic: Results from the COMPEX-EC Airborne Campaign Lars van Gelder
H427 16:15 10 Arctic clouds from within: Comparing airborne in-situ data with EarthCARE’s microphysical retrievals during CELLO-Arctic Tim Carlsen
- 16:25 5 Discussion
Poster, Demo and EVDC Splinter Session
H428 16:30 90 POSTER and DEMO 16:30 90 EVDC Splinter Session
- 18:00 0 END

DAY5: FRIDAY 5 DECEMBER 2025

Aerosol-Cloud-Precipitation-Radiation Interactions 
Co-chairs: Hironobu Iwabuch and, Oleg Dubovik
No JST Min Title Speaker
H501 8:30 12 EarthCARE Aerosol Product Validation with Dual-Lidar Observations and Implications for Biomass Burning Aerosol–Cirrus Interactions Qiaoyun Hu
H502 8:42 12 Study of Aerosol Dynamics over the Arabian Sea during the Indian Summer Monsoon season using EarthCARE observations. (Online) Manoj Kumar Mishra
H503 8:54 12 Quantifying the Cloud Radiative Effects through Airborne and Satellite Observations and 3D Radiative Transfer Modeling Dimitra Kouklaki
H504 9:06 12 Constraining Radiative Effects of Optically Thin Cirrus Using EarthCARE ATLID and BBR Observations Mark Fielding
- 9:18 12 Discussion
Distinguished Lecture
Co-chairs: Kentaroh Suzuki and Pavlos Kollias
H505 9:30 20 The Legacy of CloudSat: Scientific Breakthroughs, Technical Achievements and a Long-Term Dataset Graeme Stephens
and
Deborah Vane
- 9:50 10 Discussion
- 10:00 90 POSTER
Discussion and Recommendations
Science Discussion and Recommendations
Co-chairs: Takuji Kubota, Edward Malina and Alex Hoffmann
- 11:30 30 Discussion
Validation Discussion and Recommendations
Co-chairs: Maki Kikuchi, Timon Hummel and Rob Koopman
H506 12:00 3 L1 CPR Hiroaki Horie
H507 12:03 9 L1 ATLID, L1 MSI and L1 BBR Gerd-Jan van Zadelhoff
H508 12:12 5 Aerosols Dave Donovan
and
Yoshitaka Jin
H509 12:17 5 Cloud and Precipitation Shannon Mason
and
Nobuhiro Takahashi
H510 12:22 5 Radiation Jason Cole
and
Kentaroh Suzuki
- 12:27 3 Discussion
H511 12:30 10 Closing Takuji Kubota
and
Björn Frommknecht
- 12:40 0 END OF WORKSHOP