Tuesday, 07/07/2026

Time	No.	Presentation title	Author Name	Author Affiliation
08:00 – 9:00	Registration & welcome coffee
Session 1 – Opening Session (Chair: Christian Kummerow, Giulia Panegrossi)
09:00 – 09:10	1.1	Introduction to IPWG from the CGMS Perspective	Takuji Kubota	JAXA/EORC
09:10 – 09:20	1.2	Welcome Address	Bogdan Rosa	IMGW-PIB, Poland
09:20 – 09:30	1.3	Welcome by Local Leadership	Zbigniew Ustrnul	UJ, Poland
09:30 – 09:40	1.4	Logistics Information	Bożena Łapeta	IMGW-PIB, Poland
09:40 – 10:00	1.5	IPWG Structure and Goals	Christian Kummerow and Giulia Panegrossi	Colorado State University and CNR ISAC
Session 2 – Agency Updates Session (Chair: George Huffman, Vinia Mattioli)
10:00 – 10:15	2.1	The Observing System Capability Analysis and Review Tool (OSCAR) and the WMO Gap Analysis of the Space-Based Observations	Heikki Pohjola	WMO
10:15 – 10:30	2.2	Overview of Passive Microwave Missions at EUMETSAT for Precipitation Monitoring	Vasileios Barlakas	EUMETSAT
10:30 – 10:45	2.3	Global Precipitation Measurement (GPM) mission in Japan and future Japanese Precipitation Measuring Mission (PMM)	Takuji Kubota	JAXA/EORC
10:45 – 11:00	2.4	Status of the Advanced Microwave Scanning Radiometer 3 (AMSR3) and its validation results	Misako Kachi (online)	JAXA
11:00 – 11:15	2.5	Advances in Fengyun Satellite Precipitation Observations (2024-2026)	Lin Chen (online)	National Satellite Meteorological Center (National Center for Space Weather), China Meteorological Administration
11:15 – 11:30	2.6	Exploration on the observation ability and application potential of China’s first spaceborne precipitation measurement radar	Jian Shang (online)	National Satellite Meteorological Center, China Meteorological Administration
11:30 – 11:45	2.7	Assimilating and forecasting precipitation at global scales	Alan Geer	ECMWF
11:45 – 12:00	2.8	The Baseline Surface Precipitation Network: Benchmarking Satellite Precipitation Products Across Meteorological Regimes	Pierre Kirstetter	University of Oklahoma / NOAA National Severe Storms Laboratory
12:00 – 12:05	2.9	Satellite Precipitation Products at NOAA: Operational Capabilities and Future Plans	Huan Meng	NOAA
12:05 – 13:30	Lunch Break
Session 3 – Merged Product Updates and Product Assessments (Chair: Lin Chen,  Daniel Watters)
13:30 – 13:45	3.1	Upgrades and Early Results for IMERG V08	George Huffman	NASA Goddard Space Flight Center
13:45 – 14:00	3.2	Recent updates of the Global Satellite Mapping of Precipitation (GSMaP)	Takuji Kubota	JAXA/EORC
14:00 – 14:15	3.3	Precipitation in CM SAF: recent GIRAFE operationalization, pre-operational anomaly service and future developments	Hannes Konrad	Deutscher Wetterdienst
14:15 – 14:30	3.4	The Newly Released Daily and Monthly GPCP V3.3 and efforts towards GPCP V4	Ali Behrangi	University of Arizona
14:30 – 14:45	3.5	CASE STUDY-BASED VALIDATION AND PERFORMANCE ANALYSIS OF HSAF PRECIPITATION PRODUCTS OVER TÜRKIYE	Ahmet Öztopal (online)	Istanbul Technical University
14:45 – 15:00	3.6	Assessment of the reliability of satellite precipitation products for real-time monitoring of extreme precipitation	Magdalena Szaton	IMGW-PIB, Poland
15:00 – 15:15	3.7	Evaluation of Satellite and Reanalysis Precipitation Extremes over West Africa under Climate Change Using Ground-Based Observations	Oluwatosin Obasi-oma	Lagos State University
15:15 – 15:30	3.8	Can Satellite Products be Used to Study Extreme Precipitation Trends across West Africa?	Malihe Nasibi (online)	George Mason University
15:30 – 16:00	Coffee Break
Session 4 – Product Assessments (Chair: Shinta Seto, Viviana Maggioni)
16:00 – 16:15	4.1	Evaluation of Potential TRMM/GPM Orbit Boost Effects within Core Observatory Precipitation Products and Resulting Calibration Challenges for IMERG V08	Robert Joyce (online)	NASA/GSFC STC
16:15 – 16:30	4.2	Hydrometeorological monitoring of transboundary basins through multi-source precipitation datasets: assessments and extreme events characterization	Romulo Augusto Juca Oliveira	Hydro Matters
16:30 – 16:45	4.3	Validation of GSMaP Using a One-Minute Precipitation Rate Product Combining Ground-based Radar and Rain Gauge Data over Japan	Shinta Seto	Nagasaki University
16:45 – 17:00	4.4	Examining the Potential of Satellite Precipitation Product for Monitoring Extreme Urban Precipitation Events across Contiguous United States	Diya Das (online)	Texas Tech University
17:00 – 17:15	4.5	Diagnosing the Role of Retrieved Cloud Properties in IR-Only Rain Detection and Quantitative Precipitation Estimation from Himawari	Meng Yue Lin (online)	Research Center for Environmental Changes, Academia Sinica
18:00 – 20:00	Ice Breaker

Wednesday, 08/07/2026

Time	No.	Presentation title	Author Name	Author Affiliation
Session 5 – Validation (Chair: Pierre Kirstetter,  Bożena Łapeta)
08:30 – 08:45	5.1	A CONUS Extreme Precipitation Event Database Derived from MRMS	Daniel Watters	Advanced Radar Research Center, The University of Oklahoma
08:45 – 09:00	5.2	High-resolution precipitation data validation for climate-resilient water management	Thomas Einfalt	Hydro & Meteo GmbH
09:00 – 09:15	5.3	The Global Precipitation Climatology Centre (GPCC) has published new gridded precipitation analyses that provide long-term averages, monthly totals, and daily totals.	Elke Rustemeier	Deutscher Wetterdienst
09:15 – 09:30	5.4	Impacts of Period of Record on the Uncertainty of Estimates of Precipitation Extremes	Janice Bytheway	CIRES, University of Colorado Boulder & NOAA Physical Sciences Laboratory
09:30 – 09:45	5.5	Advances in Quantitative Precipitation Estimation Techniques for Operational Weather Radars in China	Lei Wu	Meteorological Observation Centre of China Meteorological Administration
09:45 – 10:00	5.6	Ecoacoustics: a new source of information on rainfall to complement satellite in data scarce regions	Rodrigo de Souza Xavier	Universidade Federal do Ceará / Université de Toulouse
10:00 – 10:30	Break
10:30 – 10:45	5.7	A Novel Fuzzy Ensemble Clustering Approach Using Latent Gaussian State Space Models for Demarcating Homoganeous Precipitation Zones	Debdut Sengupta (online)	Indian Institute of Technology, Madras
10:45 – 11:00	5.8	Hydrometeor Type Validation between EarthCARE Cloud Profiling Radar (CPR) and GPM DPR Observations	Minda Le (online)
11:00 – 11:15	5.9	Enhancing Ground Clutter Suppression for Dual-polarization Weather Radars in China to Improve Data Quality	Yubao Chen (Canceled)	Meteorological Observation Centre, China Meteorological Administration
Session 6 – Poster Speed-Talks – Remote and In-Situ (Chair: Viju John, Janice Bytheway)
11:15 – 12:00		1. min talk by each presenter
	6.1	Investigating rain rate estimates from non-conventional satellites to supplement H SAF products at global scale	Francesco Di Paola	National Research Council (CNR) of Italy
	6.2	Calibration of blended instantaneous and accumulated precipitation products	Francesco Di Paola	National Research Council (CNR) of Italy
	6.3	Impact of the Tomorrow.io Microwave Sounder Constellation on Global Precipitation Retrievals	Joseph Munchak (on behalf of Forest Cannon)	The Tomorrow Companies, Inc.
	6.4	Radar-Guided Machine Learning Super-Resolution for Improved GSMaP Precipitation Estimates	Hitoshi Hirose	The University of Osaka
	6.5	Dynamic FLC Detection from GOES Satellite Data for the Galapagos Archipelago	Ivo Jung	Philipps-University Marburg
	6.6	Enhancing Global Precipitation Retrieval with FY-3 MWHS/MWTS Radiometers Using Machine Learning and Spaceborne Radar-based References	Paolo Sanò	CNR ISAC
	6.7	Improving Infrared Rainfall Retrieval Using Machine Learning–Probabilistic Cloud Classification	Dong-Cheol Kim	Yonsei University
	6.8	A Spatio-Temporal Deep Learning Approach for Radar-Based Quantitative Precipitation Estimation	Matteo Passeri	University of Florence – Department of Information Engineering
	6.9	Validation of GSMaP Passive Microwave Precipitation Retrievals and improvement by Revised Method of Microwave Rainfall Normalization	Takuji Kubota (on behalf of Nao Yoshida)	JAXA
	6.10	The GRR Product: A Regionally Adjusted Rainfall Retrieval for the Galápagos Archipelago	Nazli Turini	Philipps University Marburg
	6.11	A Machine Learning Method to Retrieve Global Rainfall and Snowfall Rates From the Passive Microwave Observations of FY‐3E	Runze Zhao (online)	China Meteorological Administration, National Satellite Meteorological Center (National Center for Space Weather)
	6.12	PMW-PrecipNet: A U-Net–Based Deep Learning Framework for Passive Microwave Precipitation Retrieval	Jisu Choi	Yonsei University
	6.13	A Scalable Framework for Climate-Aware Satellite Precipitation Bias Correction	Yashraj Upase	Climate Change Department, Indian Institute of Technology, Hyderabad
	6.14	Novel Validation of the Tomorrow.io Pathfinder Radars over the Contiguous U.S.	Daniel Watters	Advanced Radar Research Center, The University of Oklahoma
	6.15	A High-Resolution Global Convective Precipitation Probability Product from Geostationary Infrared Observations	Daniel Watters	Advanced Radar Research Center, The University of Oklahoma
	6.16	Assessing Uncertainties of Mass Dimensional Relations Derived from Imaging Probes Using Machine Learning	Kwo-Sen Kuo	University of Maryland-College Park
12:00 – 13:30	Lunch Break
Session 7 – AI (Chair: Alan Geer, J. Munchak)
13:30 – 13:45	7.1	Satellite–Radar Fusion for Operational Precipitation Analysis Using Deep Learning	Simon Pfreundschuh (on behalf of Adam Dybbroe)	Colorado State University
13:45 – 14:00	7.2	High-Dynamical-Fidelity Precipitation (HiDF-P) satellite estimates informed by atmospheric and land surface variables within a video diffusion framework	Efi Foufoula-Georgiou	University of California Irvine
14:00 – 14:15	7.3	AI-Enhanced Satellite Precipitation Retrieval in MiRS: From Research to Operations	Shuyan Liu	CISESS ESSIC UMD
14:15 – 14:30	7.4	Fully Connected Neural Networks for Radiative Transfer Emulation and Microwave Radiometer Quality Control	Spencer Jones	Colorado State University
14:30 – 14:45	7.5	The First Step Toward the Development of a Machine Learning–Based Correction for HSAF Precipitation Products over Poland	Tobiasz Górecki	IMGW-PIB, Poland
14:45 – 15:00	7.6	Decomposing Uncertainty in ML-Based Precipitation Type Retrieval	Veljko Petkovic	University of Maryland College Park
15:00 – 15:15	7.7	AI Improving CMORPH2 Orographic Precipitation Estimates	Yaping Li	ERT at NOAA/CPC
15:15 – 15:30	7.8	Transformer-Based Modeling of Global Microwave Land Surface Emissivity Using GPM	Fraser King	University of Wisconsin-Madison
15:30 – 16:00	Break
Parallel Discussion Sessions on Validation and AI
16:00 – 17:00	Participants will be divided into groups of approximately 10 people. The goal is to provide brief written responses to the following questions: (1) What goals should we articulate for this Working Group as a community? (2) What can the group and what can IPWG do to make that happen? (3) What should we ask CGMS to do to help achieve these goals?
17:00 – 18:00	Poster Viewing

Thursday, 09/07/2026

Time	No.	Presentation title	Author Name	Author Affiliation
Session 8 – New Products (Chair: Alan Calheiros, Lisa Milani)
8:45 – 09:00	8.1	Advancing Precipitation Products and Quality Assessment within EUMETSAT H SAF: Current Status and Future Outlook	Silvia Puca (online)	Italian Civil Protection Department, Italy
09:00 – 09:15	8.2	Leveraging Passive Microwave Observations for Precipitation Nowcasting	Simon Pfreundschuh	Colorado State University
09:15 – 09:30	8.3	New GSMaP MWR Precipitation Detection Method for AMSR3	Kazumasa Aonashi	Division of Earth and Planetary Sciences Graduate School of Science, Kyoto University
09:30 – 09:45	8.4	The Integrated Observation and Data Fusion Application of FY-3G Precipitation Satellite and China’s Weather Radar Network	Peng Zhang (Canceled)	CMA
09:45 – 10:00	8.5	Probabilistic Quantitative Precipitation Estimation With Space-Based Radars	Pierre Kirstetter	University of Oklahoma / NOAA National Severe Storms Laboratory
10:00 – 10:15	8.6	Extreme Precipitation Scaling with Temperature: A Storm-Type Perspective	Rajani Kumar Pradhan	Department of Geosciences, University of Padova, Padova, Italy
10:15 – 10:30	8.7	New Retrieval Methods for Precipitation Latent Heat Profiles and Its Application to Precipitation Research over the Qinghai Xizang Plateau	Rui Li	University of Science and Technology of China
10:30 – 10:45	8.8	Deep Learning Radar Nowcasting over the Upper Tyrrhenian Sea	Andrea Antonini (online)	LaMMA Consortium
10:45 – 11:00	8.9	Creating a Global High-Resolution Convective or Stratiform Type Product	Veljko Petković (on behalf of Jackson Tan)	NASA
11:00 – 11:15	Break
Session 9 – Poster Speed-Talks – Remote and In-Situ (Chair: Daniel Vila, Elke Rustemeier)
11:15 – 12:00		1. min talk by each presenter
	9.1	PrecSat: An Open, Modular, and Scalable Platform for Satellite Precipitation Monitoring, Validation, Tracking, and Nowcasting	Alan Calheiros	Brazilian National Institute for Space Research
	9.2	Assessing the Contribution of the Arctic Weather Satellite 325.15 GHz Channels to Improve Observation of Precipitation Events	Andrea Camplani	CNR-ISAC
	9.3	Precipitation Observation Site in Central Texas for Ground-Validation of Satellite QPE	Firat Testik	University of Texas at San Antonio
	9.4	An Open Framework for Global Tracking and Analysis of Satellite-Derived Precipitating Systems	Daniel Vila	WMO
	9.5	The Preliminary Result of External Calibration for the Precipitation Measurement Radar onboard FengYun-3G Satellite	Honggang Yin (online)	National Satellite Meteorological Center, CMA
	9.6	Evaluation of Multiple Satellite Microwave Precipitation Products over Northern China during Cold Seasons	Xiaoqing Li (online)	National Satellite Meteorological Center
	9.7	NOAA Satellite Precipitation Validation System – A Standardized System to Assess Satellite Precipitation Products	Malarvizhi Arulraj	Cooperative Institute for Satellite Earth System Studies University of Maryland, USA
	9.8	COMPEX – Airborne remote sensing of Arctic clouds and precipitation in complex environments	Mario Mech	Institute of Geophysics and Meteorology, University of Cologne
	9.9	Comparative evaluation of H SAF, ERA5 Land, and IMERG precipitation products for dry spell climatology in Poland	Natalia Strojna	IMGW-PIB, Poland
	9.10	A near-real-time precipitation product intercomparison and validation system for operational and research applications	Marco Petracca	CNR-ISAC
	9.11	Evaluation of instantaneous rain rates estimates of FY-3G PMR Products with rain gauge dataset in four rain regions over China	Qiong Wu (online)	National Satellite Meteorological Center
	9.12	Enhancing Global Precipitation Observation: The Contribution of FY-3 Satellites in Filling Critical GPM PMW Observation Gaps	Runze Zhao	China Meteorological Administration, National Satellite Meteorological Center (National Center for Space Weather)
	9.13	A review of the past half-century Geostationary Satellite Thermal Observations for Global Precipitation Estimation: Developments, Achievements, and Future Prospects	George Huffman (on behalf of Yang Hong)	NASA Goddard Space Flight Center
	9.14	Bridging the GPM+CloudSat and GPM+EarthCARE coincidence datasets for expanded observations of drizzle and snow	F. Joseph Turk	University of California-Los Angeles, USA
	9.15	Integration of optimal habit selection with DDA and SSRGA models for improved microwave radiative transfer simulations	Donghyeck Kim	Yonsei University
12:00 – 13:30	Lunch Break
Session 10 – SmallSats/CubeSats and New Precipitation Paradigms (Chair: Takuji Kubota, Joe Turk)
13:30 – 13:45	10.1	A new Earth system science resource: A globally gridded GEO-Ring radiance product and its application	Viju John	EUMETSAT
13:45 – 14:00	10.2	The Earth Explorer 11 WIVERN mission: Advancing Atmospheric Science Through In-Cloud Observations of Global Winds	Alessandro Battaglia	Politecnico di Torino
14:00 – 14:15	10.3	User and System Needs for the Future of Global Precipitation Datasets	George Huffman	NASA Goddard Space Flight Center
14:15 – 14:30	10.4	Enhancing CMORPH2 Through Infusing Retrievals from Direct Broadcast and Small Satellites	Pingping Xie	NOAA
14:30 – 14:45	10.5	GEMS2-Amethyst: Current Status, Data Products, and Future Directions at Weather Stream	Ryan Gonzalez	Weather Stream
14:45 – 15:00	10.6	The Tomorrow.io Microwave Sounder Constellation: Status and Data Products	Joseph Munchak	The Tomorrow Companies, Inc.
15:00 – 15:15	10.7	Optimizing Channel Selection for Passive Microwave Precipitation Measurement: A GPM Study	Sarah Ringerud	NASA GSFC
15:15 – 15:30	10.8	Quantitative precipitation measurements from satellites: where now?	Chris Kidd (online)	University of Birmingham, UK
15:30 – 15:45	10.9	Introducing GSICS: Inter-Calibration of Microwave Radiometers for Precipitation	Tim Hewison (online)	EUMETSAT
15:45 – 16:15	Break
Parallel Discussion Sessions on New Products and New Paradigms
16:15 – 17:15	Participants will be divided into groups of approximately 10 people. The goal is to provide brief written responses to the following questions: (1) Should IPWG expand the product list from surface precipitation to additional parameters? (2) What does the future of precipitation products look like? (3) What can the group and what can IPWG do to make that happen? (4) What should we ask CGMS to do to help achieve these goals?
17:15 – 18:15	Poster Viewing
20:00	Group Dinner

Friday, 10/07/2026

Time	No.	Presentation title	Author Name	Author Affiliation
Science Focus Group Presentations
09:00 – 09:45	4 talks by the four Focus Group chairs introducing their goals and activities to the broader community
Session 11 – Snow (Chair: Alessandro Battaglia, Mario Mech)
09:45 – 10:00	11.1	Microphysical Controls of High-Frequency Microwave Scattering: Implications for Radiance Simulations and O–B Biases	Dong-Bin Shin	Yonsei Univsersity
10:00 – 10:15	11.2	Updates on the NOAA Operational Snowfall Rate Product	Huan Meng	NOAA
10:15 – 10:30	11.3	OpenSSP Portal Grand Reopening: A Milestone Towards NASA PaSS DB	Kwo-Sen Kuo	University of Maryland-College Park
10:30 – 10:45	11.4	Workflow Development for Snowfall Retrieval Quality Assessment	Lisa Milani	University of Maryland / NASA Goddard Space Flight Center
10:45 – 11:00	Break
Session 12 – Land Surface (Chair: Sarah Ringerud, Veljko Petkovic)
11:00 – 11:15	12.1	SENSITIVITY ANALYSIS OF LAND ATMOSPHERE INTERACTION USING DIFFERENT PARAMETERIZATION SCHEMES OF THE WRF MODEL TO SIMULATE HEAVY RAINFALL EVENTS OVER THE MAHI RIVER BASIN, INDIA	ADITYA SHARMA	Indian Institute of Technology Delhi
11:15 – 11:30	12.2	Applications of All-Weather Dynamic Emissivity Estimation Algorithm for Snowfall Retrievals from GPM/GMI	Mykhailo Lohachov	Institute Science Tokyo
11:30 – 11:45	12.3	Mapping Land-Use Conversion Pathways in Regions of Significant Rainfall Intensity and Frequency Trends: A Multi-Biome Assessment in Brazil	Jaqueline Vígolo Coutinho (online)	George Mason University
11:45 – 13:15	Lunch Break
Session 13 – Data Assimilation and Orographic Rainfall (Chair: Ali Berangi, Simon Pfreundschuh)
13:15 – 13:30	13.1	Assimilating precipitation-sensitive observations in global weather forecasting	Alan Geer	ECMWF
13:30 – 13:45	13.2	Evaluation of EarthCARE/CPR simulation and preparation for data assimilation in the global NWP system of JMA	Kozo Okamoto	Japan Meteorological Agency, Japan
13:45 – 14:00	13.3	Evaluation of AMSR3 precipitation-sensitive observations and preparation for the assimilation of EPS-SG MWI and WSFM MWI at ECMWF	Elisa Chardon-Legrand	ECMWF
14:00 – 14:15	13.4	Learning spatiotemporal evolution of storms for improving forecasting over complex terrain	Claudia Acquistapace	Department of Geosciences, University of Padova
Parallel Focus Group Sessions (Chair: Christian Kummerow; Giulia Panegrossi, Sarah Ringerud)
14:15 – 15:15	4 parallel sessions for each Focus Group to meet separately
Closing Session (Chair: Christian Kummerow; Giulia Panegrossi, Sarah Ringerud)
15:15	10-minute reports from the Focus Groups
15:55	30-minute summary of Wednesday and Thursday discussions
16:25	IPWG business and meeting close-out