International TOVS Working Group

ITSC-25 Program

Thursday 8th May 2025

9:00-9:30Opening session
Reima Eresmaa and Fiona Smith
ITWG co-chairs
Opening of ITSC-25
 V. S. Prasad
Head, NCMRWF
Welcome words from NCMRWF
 Reima Eresmaa and Fiona Smith
ITWG co-chairs
Practical Information 

Session 1 – Coordination of satellite systems, operations and end-user support

Session Chairs: Reima Eresmaa and Fiona Smith
9:30 – 10:15 oral presentations (each 12 minutes + 3 minutes discussion)

1.01Sreerekha Thonipparambil
EUMETSAT
User preparation for EUMETSAT’s next generation sounding missions on MTG-S and EPS-SG
1.02Vinia Mattioli
EUMETSAT
EUMETSAT Polar System – Second Generation: highlights on the passive microwave missions
1.03Jordan Gerth
NOAA
Risks of RFI with environmental satellite sensing based on spectrum proceedings and regulations

10:15 – 10:45 Health break

10:45 – 11:30 oral presentations (each 12 minutes + 3 minutes discussion)

1.04Heikki Pohjola
WMO
WMO Gap Analysis for Space-based Component of the WMO Integrated Global Observing System (WIGOS) Using WMO OSCAR/Space Tools
1.05Liam Gumley
SSEC, University of Wisconsin-Madison
The WMO DBNet service for providing low latency sounder data to NWP centers: Recent progress and future plans
1.06Simon Elliott
EUMETSAT
Global satellite data exchange in the era of WIS 2.0

11:30 – 11:35 poster introductions with no visual aids (each 1 minute)

1p.01Heikki Pohjola
WMO
WMO Core and Recommended Satellite Data
3p.08David Duncan
ECMWF
Analysis of Radio Frequency Interference (RFI) from 6.9 to 89 GHz in an NWP system

Session 2 – Impact studies

Session Chairs: Kozo Okamoto and Indira Rani
11:35 – 11:50 poster introductions with no visual aids (each 1 minute)

2p.02Sumit Kumar
NCMRWF
NCMRWF operational NWP system: status and observation impact analysis
2p.05Sujata Pattanayak
National Centre for Medium Range Weather Forecasting, MoES
Impact of Microwave Sounder Data from Polar-orbiting Satellites in NCMRWF Global Forecast System
2p.06Ahreum Lee
UMBC, GMAO NASA/GSFC, KIAPS*
Assimilation of clear-sky radiances from GOES-16 and 18 in the KIM data assimilation system
2p.07Reima Eresmaa
Finnish Meteorological Institute
The impact of microwave sounder radiance assimilation in convective-scale limited-area NWP over the Nordic region and in the Arctic
2p.08Nahidul Samrat
Bureau of Meteorology
Satellite Sounder Absence: Evaluating the Impact of Satellite Sounder Observation Across Diverse Geographic Regions
2p.09Fiona Smith
Bureau of Meteorology
Observation Impacts in Australian NWP Models

11:50 – 12:00 Group photo

12:00 – 13:30 Lunch

Session 3 – New microwave capabilities

Session Chairs: Mary Borderies and Dorothee Coppens
13:30 – 13:40 poster introductions with no visual aids (each 1 minute)

3p.01Niels Bormann
ECMWF
Evaluations and exploratory assimilation trials with data from the TROPICS constellation in the ECMWF system
3p.02Niels Bormann
ECMWF
ECMWF Forecast impact expected from EPS-Sterna’s 325 GHz channels
3p.03Benjamin Ruston
UCAR/JCSDA
JEDI Skylab use for Observation Evaluation
3p.04Brett Candy
UK Met Office
An initial evaluation of the Sterna radiometer data using Met Office NWP fields
3p.05Stephanie Guedj
The Norwegian Meteorological Institute
Early evaluation of the Arctic Weather Satellite (AWS) data assimilation in regional NWP systems
3p.06Vinia Mattioli
EUMETSAT
EUMETSAT microwave sounder constellation: the EPS-Sterna Programme
3p.07David Duncan
ECMWF
Preparations for EPS-SG microwave instruments at ECMWF

13:40 – 14:55 oral presentations (each 12 minutes + 3 minutes discussion)

3.01Richard Delf
Weather Stream (presented by Allen Huang)
The Global Environment Monitoring System (GEMS): a constellation of passive microwave radiometers on a CubeSat platform
3.02B R R Hari Prasad Kottu
National Centre for Medium Range Weather Forecasting
Impact of Microsat-2B Radiance Data Assimilation in the NCMRWF Global Forecast System
3.03Hélène Dumas
Météo-France
Preliminary assessment of the Arctic Weather Satellite microwave sounder with the ARPEGE global model
3.04David Duncan
ECMWF
Evaluation of the Arctic Weather Satellite in the ECMWF system
3.05Mitch Goldberg
The City College of New York
The Limb Adjustment of the TROPICS Microwave Sounder Constellation

Session 4 – New infrared capabilities

Session Chairs: Fuzhong Weng and Ethel Villeneuve
14:55 – 15:05 poster introductions with no visual aids (each 1 minute)

4p.01Chris Burrows
ECMWF
Data quality assessment and assimilation of HIRAS-2 on FY-3E
4p.02Chris Burrows
ECMWF
Preparation for the next generation hyperspectral infrared sounders MTG-IRS and IASING at ECMWF
4p.03Thomas Carrel-Billiard
Météo-France (presented by Olivier Audouin)
Preparing Météo-France’s Numerical Weather Prediction Models for the Assimilation of anticipated MTG-IRS sounder data
4p.04Stefano Migliorini
Met Office
Plans for assimilation of MTG-IRS observations at the Met Office
4p.05Tomoya Urata
Japan Meteorological Agency
Preliminary studies for the assimilation of Himawari-10/GHMS in the JMA’s NWP systems
4p.06Erica McGrath-Spangler
NASA GMAO/GESTAR II (presented by Ahreum Lee)
Evaluation of GEO Sounder Impact for Numerical Weather Prediction

15:05 – 16:05 Poster viewing (Sessions 1, 2, 3, and 4) and Coffee break

16:05 – 17:05 oral presentations (each 12 minutes + 3 minutes discussion)

4.01Naoto Kusano
JMA, ECMWF
Assimilation of GIIRS on-board FY-4B in the ECMWF IFS
4.02Young-Jun Cho
Numerical Modeling Center, Korea Meteorological Administration
Forecast Impact of Simulated GeoHIS based on KIM-OSSE
4.03Andrew Heidinger
NOAA NESDIS GEO
NOAA’s GXS Sounder
4.04John Van Naarden
L3Harris
Himawari-10 Sounder Overview and Update

17:05 – 17:35 Introductions to the ITWG Working Groups (each 5 minutes)

Advanced sounders
Products and software
International issues and future systems
Numerical weather prediction
Climate
Radiative transfer and surface properties

Friday 9th May 2025

Session 5 – Radiative transfer studies

Session Chairs: Vito Galligani and Ben Johnson
8:45 – 9:45 oral presentations (each 12 minutes + 3 minutes discussion)

5.01Benjamin Johnson
UCAR/JCSDA
The JCSDA Community Radiative Transfer Model
5.02Jun Yang
CMA Earth System Modeling and Prediction Centre (presented by Fuzhong Weng)
Progress in Advanced Radiative Transfer Modeling System (ARMS)
5.03Jean-Marie Lalande
CNRM, Meteo France, CNRS
Enhancing Atmospheric Transmittance Estimation for TOVs through Advanced Statistical Approaches
5.04Tiziano Maestri
University of Bologna, Physics and Astronomy Department “Augusto Righi”
On Fast Computations of Upwelling Far- and Mid-Infrared Radiances for All-Sky analysis

9:45 – 10:00 poster introductions with no visual aids (each 1 minute)

5p.01Brett Candy
UK Met Office
Development of new fast radiative transfer coefficients for microwave sensors
5p.02Vito Galligani
Centro de Investigaciones del Mar y la Atmósfera (CIMA)
Exploring how uncertainties in NWP model microphysics are carried through to microwave radiance space / Exploring their relative importance compared with radiative transfer inconsistencies
5p.03Christina Köpken-Watts
DWD
Extending the fast forward operator MFASIS-NN for solar channels to NIR and water vapour sensitive channels, and aerosol affected profiles
5p.04Cristina Lupu
ECMWF
Evaluation of RTTOV-14 in the ECMWF NWP system
5p.06Emma Turner
ECMWF
A new and extended diverse 40,000 atmospheric profile dataset from the CAMS atmospheric composition forecasting system
5p.07Viviana Volonnino
CNRM, Université de Toulouse, MétéoFrance, CNRS
Evaluating Spectral Biases in IASI and FORUM Clear-Sky Simulations using RTTOV

10:00 – 10:45 Health break

Session 6 – Generation of products

Session Chairs: Anna Booton and Joe Taylor
10:45 – 11:45 oral presentations (each 12 minutes + 3 minutes discussion)

6.01Bryan Karpowicz
UMBC/GESTAR II/NASA
Assimilation of Reconstructed Radiances from IASI and CrIS Principal Component Scores into the GEOS-ADAS
6.02Joe Taylor
SSEC, University of Wisconsin-Madison
The Cross-track Infrared Sounder (CrIS) NASA PCA RED Product
6.03Jonas Wilzewski
EUMETSAT (presented by Dorothee Coppens)
Hyperspectral infrared L2 product development at EUMETSAT
6.04Hyun-sung Jang
AMA / NASA LaRC
Planetary Boundary Layer Height Estimation: Methodology and Case Study using NAST-I FIREX-AQ Field Campaign Data

11:45 – 12:00 poster introductions with no visual aids (each 1 minute)

6p.01Svetlana Akishina
St. Petersburg State University
Methodology for determination of the ozone vertical distribution elements from satellite spectral measurements of IR thermal radiation
6p.02Anna Booton
Met Office
Met Office Update on the NWP SAF satellite data processing packages: AAPP, IRSPP and MWIPP
6p.04Liam Gumley
SSEC, University of Wisconsin-Madison
Community Satellite Processing Package (CSPP) for Low Earth Orbit (LEO) Satellites: Recent Updates and Future Plans
6p.05Bozena Lapeta
IMGW-PIB
Quality of the ATOVS-derived precipitation amount over Poland during the flood event in September 2024
6p.07Simon Warnach
HamTec Consulting Ltd. (presented by Harshitha Bhat)
Level 2 validation and monitoring activities at EUMETSAT for future hyperspectral infrared mission
11p.01Harshitha Bhat
CLC Space GmbH
EUMETSAT’s IRS L2 Cal/Val and monitoring activities
6p.08Jose Luis Villaescusa Nadal
EUMETSAT (presented by Dorothee Coppens)
Validation of IASI Temperature and Humidity using 11 years of airplane (AMDAR) measurements

12:00 – 13:30 Lunch

Session 7 – Exploitation of artificial intelligence and machine learning

Session Chairs: Magnus Lindskog and Stephanie Guedj
13:30 – 14:45 oral presentations (each 12 minutes + 3 minutes discussion)

7.01Chris Burrows
ECMWF
Skilful weather predictions from observations alone: general concept
7.02Niels Bormann
ECMWF
Skilful weather predictions from observations alone: the role of passive sounders
7.03Wei Han
CMA Earth System Modeling and Prediction Centre (CEMC)
Assimilation of all satellite observations using AI: some primary results
7.04Alice Abramowicz
KNMI
Prototype for bias-correction of microwave radiance observations using machine learning methods
7.05Alexander Polyakov
Saint-Petersburg University
Neural network approach to determination of total and tropospheric ozone columns from spectral measurements of outgoing thermal radiation

14:45 – 14:55 poster introductions with no visual aids (each 1 minute)

7p.01Niels Bormann
ECMWF
Sea ice surface emissivity modelling using data assimilation and machine learning
7p.02Swapan Mallick
Swedish Meteorological and Hydrological Institute (SMHI)
Deep Learning Approach to Estimating Uncertainty in the Copernicus Arctic Regional Second Generation Reanalysis: A Prototype
7p.03Niobe Peinado-Galan
AEMET
Analysis of severe convection situations in Africa and Europe with the new NWCSAF sSHAI product derived from IASI as a proxy for MTG-IRS data
7p.04Likun Wang
University of Maryland
Estimating Tropospheric Methane from Cross-track Infrared Sounder (CrIS) Spectra using a Machine Learning Method

Session 8 – Climate studies

Session Chairs: Bill Bell and Nathalie Selbach
14:55 – 15:00 poster introductions with no visual aids (each 1 minute)

8p.01Nathalie Selbach
Deutscher Wetterdienst
25 Years of a Sustained Generation of Satellite-Based Climate Data Records by EUMETSAT CM SAF
8p.02David Tobin
CIMSS/SSEC (presented by Joe Taylor)
22 Years of Hyperspectral Infrared Satellite Observations: Creating Climate Data Records and Examining Trends in Top-of-atmosphere Spectral Radiances, Integrated Nadir Longwave Radiance (INLR), and Outgoing Longwave Radiation (OLR)

15:00 – 16:00 Poster viewing (Sessions 5, 6, 7, and 8) and Coffee break

16:00 – 17:00 oral presentations (each 12 minutes + 3 minutes discussion)

8.02Bill Bell
ECMWF
The assimilation of radiances in the ECMWF ERA6 global reanalysis
8.03Timo Hanschmann
EUMETSAT
Microwave temperature sounder fundamental climate data records for climate applications
8.04Graeme Martin
SSEC, University of Wisconsin-Madison (presented by Joe Taylor)
The NASA CrIS Level 1B Version 4 Software and Product
8.05Likun Wang
University of Maryland
New Stratospheric Temperature Climate Data Records by Merging SSU with AIRS

Saturday 10th May 2025

9:00 – 10:15 Working groups session 1

Advanced sounders
Products and software
International issues and future systems

10:15 – 10:45 Health break

10:45 – 12:00 Working groups session 1 continued

12:00 – 13:30 Lunch

13:30 – 14:45 Working groups session 2

Numerical weather prediction
Climate
Radiative transfer and surface properties

14:45 – 15:15 Health break

15:15 – 16:30 Working groups session 2 continued

16:30 – 16:45 Health break

16:45 – 18:00 Technical subgroups meetings Fast RTMs

Sunday 11th May 2025

Local excursions and socializing

Monday 12th May 2025

Session 9 – Advances in assimilation methods

Session Chairs: Roger Randriamampianina and Hyoung-Wook Chun
8:45 – 10:00 oral presentations (each 12 minutes + 3 minutes discussion)

9.01Chris Hartman
U.S. Naval Research Laboratory Marine Meteorology Division
Adaptive Estimation of ATMS Observation Uncertainty to Improve Atmospheric Prediction
9.02Ethel Villeneuve
ECMWF
Expanding the use of geostationary satellite data at ECMWF
9.03Erin Jones
UMD ESSIC @ NASA GMAO
Developing a SWIR/MWIR-based Cloud Detection for CrIS in CADS
9.04Young-Chan Noh
Korea Polar Research Institute
Vertical localization for the microwave humidity sounder in the ensemble Kalman filter
9.05William Campbell
U.S. Naval Research Laboratory
Graph Theoretic Observation Thinning for Satellite Radiances

10:00 – 10:30 Health break

10:30 – 11:15 oral presentations (each 12 minutes + 3 minutes discussion)

9.06Xi Shuang
Center for Earth System Modelling and Prediction of China Meteorological Administration
Effect of bias correction sample selection on FY-3D satellite microwave humidity data assimilation in CMA_GFS model
9.07Thomas Buey
Meteo France
Introducing horizontal correlations of satellite observation errors into the data assimilation system of the AROME model
9.08Qifeng Lu
CMA / CEMC
Enhancing Numerical Weather Prediction Accuracy through EN4DVAR and Novel Satellite Data Assimilation

11:15 – 11:30 poster introductions with no visual aids (each 1 minute)

9p.01Olivier Audouin
Meteo France
Assimilating FCI data within the Météo-France models
9p.03Maria Eugenia Dillon
Consejo Nacional de Investigaciones Científicas y Técnicas; Servicio Meteorológico Nacional
Usage of L2 soundings in the data assimilation and numerical weather prediction system at the Argentinian NMS: present implementation and experiments
9p.04Na-Mi Lee
Korea Meteorological Administration
Diagnostics of CrIS Preprocessing System in Korean Integrated Model (KIM)
9p.05Cristina Lupu
ECMWF
Assimilation of data from the FCI onboard MTG-I1 into the ECMWF system
9p.06Hiroyuki Shimizu
Japan Meteorological Agency
Development for better utilization of AMSR3 humidity sounding channels in JMA’s global NWP system
9p.07Liam Steele
ECMWF (presented by Niels Bormann)
Assessing the thinning scale for humidity sounding observations at ECMWF

Session 10 – All-sky assimilation

Session Chairs: Mitch Goldberg and Stefano Migliorini
11:30 – 12:15 oral presentations (each 12 minutes + 3 minutes discussion
)

10.01Mary Borderies
Météo-France/cnrm
Perturbations of all-sky microwave radiances forward operator specifications within the Ensemble of Data Assimilation system of Météo-France
10.02Christina Köpken-Watts
DWD
Operational all-sky assimilation of geostationary water vapour channels in a regional ensemble Kalman filter NWP system
10.03Izumi Okabe
MRI / Japan Meteorological Agency
Global all-sky radiance assimilation for geostationary satellite imagers

12:15 – 13:30 Lunch

13:30 – 14:00 oral presentations (each 12 minutes + 3 minutes discussion)

10.04Liam Steele
ECMWF
Enhancing the exploitation of all-sky microwave sensors at ECMWF using inter-channel error correlations
10.05Kozo Okamoto
JMA/MRI
Global all-sky radiance assimilation for IASI

14:00 – 14:05 poster introductions with no visual aids (each 1 minute)

10p.01Antoine Chemouny
CNRM/CNES
Assimilation of IASI all-sky radiances for Numerical Weather Prediction
10p.02Christina Köpken-Watts
DWD
ICON and IFS model cloud evaluation using visible imagers on geostationary satellites

Session 11 – Calibration of sensors

Session Chair: Jerome Vidot
14:05 – 14:10 poster introductions with no visual aids (each 1 minute)

11p.02Vinia Mattioli
EUMETSAT
EUMETSAT Polar System – Second Generation: pre-launch characterization of the microwave sounder (MWS) onboard Metop-SGA1
11p.03Joe Taylor
SSEC, University of Wisconsin-Madison
High Spatial and Spectral Resolution Infrared Observations from the Scanning High-resolution Interferometer Sounder (S-HIS): Recent Datasets and Next-Gen Sensor Development

14:10 – 14:55 oral presentations (each 12 minutes + 3 minutes discussion)

11.01Quentin Cebe
CNES
IASI-NG : Overview of L1 processing and performances
11.02Guillaume Deschamps
EUMETSAT
Spectral Response Function Retrieval of spaceborne Fourier Transform Spectrometers – Application to Metop IASI
11.03Fuzhong Weng
CMA Earth System Modeling and Prediction Centre
An energy-conservation system developed for calibrating satellite microwave instruments

14:55 – 16:00 Poster viewing (Sessions 9, 10, and 11) and Coffee break

16:00 – 16:15 speeches

M. Ravichandran
Ministry of Earth Sciences, India
Ministry of Earth Sciences statement at ITSC-25

Session 8 – Climate studies

Session Chairs: Heikki Pohjola and Sreerekha Thonipparambil
16:15 – 16:30 oral presentations (each 12 minutes + 3 minutes discussion)

8.06Guido Masiello
University of Basilicata
Comprehensive Infrared forward-inverse analysis of the Ozone hole with IASI

Session 12 – Space agency reports

Session Chairs: Heikki Pohjola and Sreerekha Thonipparambil
16:30 – 17:45 oral presentations (each 12 minutes + 3 minutes discussion)

12.01Bojan Bojkov
EUMETSAT
Overview of the EUMETSAT operated missions and their applications
12.02Kozo Okamoto
JMA/MRI
Status report of space agency: JMA and JAXA
12.03Pradeep Thapliyal
Space Applications Centre (ISRO)
ISRO Agency Report: Present and future satellite instruments in support of Met-Ocean applications
12.04Lihang Zhou
NOAA
An Update of NOAA Satellite Missions for ITWG
12.05Francisco Bermudo
CNES – Centre National d’Etudes Spatiales
Overview of CNES Earth Observation programs

Tuesday 13th May 2025

Session 13 – NWP centre status reports

Session Chairs: Niels Bormann and Brett Candy
08:45 – 09:00 oral presentation

13.01Andrew Collard
NOAA/NCEP/EMC
Progress and plans for the use of radiance data in the NCEP global and regional data assimilation systems

9:00 – 10:00 one-slide introductions to poster presentations (each 3 minutes)

13p.01Olivier Audouin
Meteo France
Ongoing developments on satellite radiance assimilation at Météo-France (intro slide)
13p.02Hyoung-Wook Chun
KMA
Satellite Radiance Data Assimilation at Korea Meteorological Administration (intro slide)
13p.03Mohamed Dahoui
ECMWF
ECMWF NWP changes
13p.04Christina Köpken-Watts
DWD
Overview of recent developments in satellite radiance data assimilation at DWD (intro slide)
13p.06Isabel Monteiro
KNMI
Present and future use of satellite atmospheric sounding data in United Weather Centres West (intro slide)
13p.07Hidehiko Murata
Japan Meteorological Agency
Recent upgrades and progresses of satellite radiance data assimilation at JMA (intro slide)
13p.08Stefano Migliorini
Met Office
Satellite radiance assimilation at the Met Office (intro slide)
13p.09John P George
NCMRWF, Ministry of Earth Sciences (Government of India)
NCMRWF NWP status since ITSC-24 (intro slide)
13p.10Yanqiu Zhu
NASA/GSFC/GMAO (presented by Ahreum Lee)
Status and ongoing developments of satellite data assimilation in NASA GMAO’s GEOS (intro slide)
13p.11Dirceu Herdies
CPTEC/INPE
Advances in Data Assimilation at CPTEC/INPE
13p.12Alain Beaulne
Environment and Climate Change Canada (presented by Zheng-Qi Wang)
Latest upgrades and developments in the use of satellite radiances at ECCC (intro slide)

Session 14 – Future microwave technologies

Session Chair: David Duncan
10:00 – 10:30 oral presentations (each 12 minutes + 3 minutes discussion)

14.01Kristen Bathmann
Spire Global
Deep Learning-Based Retrievals from Spire’s Hyperspectral Microwave Sounder
14.02Bill Blackwell
MIT Lincoln Laboratory
Recent Advances in Microwave Sounding: Smallsat Constellations, Beam-steering Arrays, and Cognitive Sensing

10:30 – 11:00 Health break

11:00 – 12:15 oral presentations (each 12 minutes + 3 minutes discussion)

14.03Antonia Gambacorta
NASA Goddard Space Flight Center
The Advanced Ultra-high Resolution Optical RAdiometer (AURORA) Pathfinder
14.04Ryan Honeyager
The Tomorrow Companies, Inc.
The Tomorrow Microwave Sounder program: an assessment of the observations and observing system impacts
14.05Satya Kalluri
NOAA
Experiments in Support of Next Generation Low Earth Orbit Microwave Sounder Formulation at NOAA
14.06Zaizhong Ma
UMD/CISESS
Simulation and Evaluation of NOAA Next-gen Microwave Satellite Observation System with the ECMWF EDA method
14.07Manju Henry
Spire Global UK Ltd.
Development and pre-launch characterisation of a Hyperspectral Microwave sounder In Orbit Demonstrator

12:15 – 12:20 poster introductions with no visual aids (each 1 minute)

14p.01Mary Borderies
Météo-France/cnrm
Impact of WIVERN 94GHz brightness temperature observations on global NWP model forecasts using an OSSE framework
14p.02Niels Bormann
ECMWF
Developing the use of hyperspectral MW observations for global NWP in an Ensemble of Data Assimilations (EDA)
14p.03Richard Delf
Weather Stream (presented by Allen Huang)
The Global Environment Monitoring System (GEMS) suite of novel passive microwave instrumentation

12:20 – 13:50 Lunch

Session 15 – Impacts in Indian regional applications

Session Chairs: Christina Köpken-Watts and Chris Burrows
13:50 – 14:00 poster introductions with no visual aids (each 1 minute)

15p.01Rishi Kumar Gangwar
Space Applications Centre (Indian Space Research Organisation)
Atmospheric Temperature and Moisture Profiles from Recently Launched INSAT-3DS Sounder
15p.02Ashim Kumar Mitra
India Meteorological Department
Analysis of diurnal nature of spatial variability of Land Surface Temperature in Delhi NCR using Sentinel 3 and INSAT-3D/R satellite data
15p.03Devanil Choudhury
National Centre for Medium Range Weather Forecasting, Ministry of Earth Sciences, India
Assimilating NOAA-21 Data for Enhanced Forecasting of Deep Depressions in India
15p.04Ashish Routray
NCMRWF, MoES
Assimilation of Microwave Imager Radiance Data in NCUM-R-4DVAR System and Its Impact on Simulation of TCs over Bay of Bengal

14:00 – 15:00 oral presentations (each 12 minutes + 3 minutes discussion)

15.01Indira Rani S
NCMRWF, Ministry of Earth Sciences
Radiance assimilation over the extra-tropics and polar regions: Impact on the simulation of Indian Monsoon
15.02Srinivas Desamsetti
National Centre for Medium Range Weather Forecasting (NCMRWF), MoES
DBNet data assimilation during cyclone events- Advantage of timeliness
15.03Sujata Pattanayak
National Centre for Medium Range Weather Forecasting, MoES
Seasonal Impact of INSAT-3DR Satellite Radiance in NCMRWF Global Forecast System
15.04Prashant Kumar
Space Applications Centre, ISRO
All-sky radiance assimilation of INSAT-3DS Sounder Radiance in the WRF Model

Session 16 – The use of surface-sensitive data and Session 17 – Regional Studies: poster introductions

Session Chairs: Cristina Lupu and B R R Hari Prasad Kottu
15:00 – 15:15 poster introductions with no visual aids (each 1 minute)

16p.01Hyeyoung Kim
Korea Institute of Atmospheric Prediction System
Study on extending the use of satellite microwave sounder data over the land
16p.02Mahdiyeh Mousavi
DWD (presented by Christina Köpken-Watts)
Assimilation of IASI Observations Over Land: Impact of Improved Surface Emissivity and Skin Temperature
17p.01Erik Dedding
KNMI
Towards a full exploitation of satellite radiance information using transformed retrievals in HARMONIE-AROME 4D-Var
17p.02Reima Eresmaa
Finnish Meteorological Institute
Variational Bias Correction of Polar-Orbiting Satellite Radiances in Convective-scale Data Assimilation
17p.03Nahidul Samrat
Bureau of Meteorology
Himawari Radiance Integration in the Bureau Limited-Area Assimilation System: Impact of Assimilation, Error Diagnostics and Treatment
17p.04Jana Sanchez-Arriola
SMHI (presented by Magnus Lindskog)
Characterisation and Handling of Errors of Satellite Radiances for km-scale Data Assimilation over Three Operational Domains
17p.05Dirceu Herdies
CPTEC/INPE
Use of Radar and Lightning Data Assimilation in Short-term Forecast over Brazil

Session 16 – The use of surface-sensitive data

Session Chairs: Cristina Lupu and B R R Hari Prasad Kottu
15:15 – 15:30 oral presentations (each 12 minutes + 3 minutes discussion)

16.01Swapan Mallick
Swedish Meteorological and Hydrological Institute (SMHI)
Significance and Impact of High-Resolution Variational Assimilation of Satellite Microwave Radiances over Difference Surfaces

15:30 – 16:30 Poster viewing (Sessions 13, 14, 15, 16, and 17) and Coffee break

16:30 – 17:15 oral presentations (each 12 minutes + 3 minutes discussion)

16.02Mate Mile
Norwegian Meteorological Institute (presented by Roger Randriamampianina)
An Observing System Simulation Experiment for satellite observations: Uncertainty estimation of emissivity retrieval over sea-ice and land
16.03Zheng Qi Wang
McGill University / Environment and Climate Change Canada
Simultaneous Estimation of Atmospheric Temperature, Surface Emissivity and Skin Temperature by Assimilating Surface-Sensitive Microwave Observations Over Land in a 1D-EnVar System
16.04Hongyi Xiao
National Centre for Medium Range Weather Forecasting, MoES
CMA Earth System Modeling and Prediction Center Toward the all-surface assimilation of surface-sensitive satellite data from microwave temperature- and humidity-sounding channels in CMA-GFS 4D-Var system

Session 17 – Regional studies

Session Chairs: Cristina Lupu and B R R Hari Prasad Kottu
17:15 – 17:45 oral presentations (each 12 minutes + 3 minutes discussion)

17.01Tobiasz Górecki
Institute of Meteorology and Water Management – National Research Institute
Taking Advantage of Vertical Temperature and Dew Point Profiles Derived from HEAP and MIRS Software: Validation Products over Poland and Case Study Analysis
17.02Stephanie Guedj
The Norwegian Meteorological Institute
Optimizing the assimilation of radiances in the operational AROME-Arctic NWP system

Wednesday 14th May 2025

Closing session

9:00 – 10:20 Recaps from the WG meetings (each 20 minutes)
Advanced sounders
Products and software
International issues and future systems
Numerical weather prediction

10:20 – 10:50 Health break

10:50 – 11:50 Recaps from the WG meetings (each 20 minutes)
Climate
Radiative transfer and surface properties
Fast RTMs technical subgroup

11:50 – 12:00 Closing ceremonies