Name: Second International Conference on Opportunistic Sensing of Precipitation - OpenSense 2026
Start: 2026-06-23T08:00:00+02:00
End: 2026-06-24T17:15:00+02:00
Location: Royal Netherlands Meteorological Institute

Second International Conference on Opportunistic Sensing of Precipitation - OpenSense 2026

from Tuesday, June 23, 2026 (8:00 AM) to Wednesday, June 24, 2026 (5:15 PM)

Monday, June 22, 2026
Tuesday, June 23, 2026

8:30 AM Registration

8:30 AM - 9:15 AM

9:15 AM Opening and welcome session

9:15 AM - 9:45 AM

9:45 AM Keynote: "Maintaining performance in high-speed microwave links" by Bart Somers (Dutch Authority for Digital Infrastructure)
"Maintaining performance in high-speed microwave links" by Bart Somers (Dutch Authority for Digital Infrastructure)
9:45 AM - 10:15 AM

10:15 AM Coffee break
Coffee break
10:15 AM - 10:45 AM
10:45 AM Oral session #1: Rainfall monitoring in the Global South
Rainfall monitoring in the Global South
10:45 AM - 12:15 PM
Contributions

10:45 AM Lessons learned from 10 years of CMLs experiments in Africa - Marielle Gosset (IRD)

11:00 AM Automating quality control of rainfall telemetry via the fusion of commercial microwave links and hourly multivariate ERA5 data - SAMUEL WAMBUI (DEDAN KIMATHI UNIVERSITY OF TECHNOLOGY)

11:15 AM Precipitation monitoring across diverse environments using acoustic recorders and a dry-weather baseline - Rodrigo Xavier (Universidade Federal do Ceará, Université de Toulouse)

11:30 AM A multi-climate comparison of GPM radiometer and commercial microwave link (CML) rainfall estimates - Linda Bogerd (TU Delft)

11:45 AM Real-time CML rainfall monitoring for weather applications in Ghana - Bas Walraven (Delft University of Technology)

12:00 PM Rain measurement from CMLs and other opportunistic and classical sensors in Ivory Coast : initial results and perspectives for urban hydrology - Modeste Huberson Ahiba KACOU (Université Félix Houphouët-Boigny)
12:15 PM Lunch break: (starting with a group picture)
(starting with a group picture)
12:15 PM - 1:30 PM

1:30 PM Keynote: "From backyard rain gauges to flood forecasts: using PWS in operational hydrology" by Eoin Burke (water authority Rijn & IJssel)
"From backyard rain gauges to flood forecasts: using PWS in operational hydrology" by Eoin Burke (water authority Rijn & IJssel)
1:30 PM - 2:00 PM
2:00 PM Oral session #2: Application of OS data
Application of OS data
2:00 PM - 3:00 PM
Contributions

2:00 PM Using personal weather station data for weather radar adjustment - Maximilian Graf (Deutscher Wetterdienst)

2:15 PM Standalone vs combined PWS rainfall inputs for semi-distributed flood modelling - Ranka Kovačević (University in Belgrade, Faculty of Forestry)

2:30 PM Quantifying spatial rainfall variability using a high-density rain gauge network of personal weather stations - Nathalie Rombeek (Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Water Management)

2:45 PM Detection of convective cold pools using data from personal weather stations - Jochen Seidel (Institut für Wasser- und Umweltsystemmodellierung, Universität Stuttgart) Maximilian Graf (Deutscher Wetterdienst)
3:00 PM Coffee poster session #1: Rainfall monitoring in the Global South, Application of OS data, OS data merging, and OS data acquisition, management & standardization
Rainfall monitoring in the Global South, Application of OS data, OS data merging, and OS data acquisition, management & standardization
3:00 PM - 4:15 PM
Contributions

3:00 PM Using commercial microwave links to estimate rainfall intensity and variability in Rwanda - Jean de Dieu Ndayisenga (Ghent University, Belgium, University of Rwanda, Rwanda) Remco Van de Beek (Swedish Meteorological and Hydrological Institute, Sweden) Kwinten Van Weverberg (Ghent University, Belgium, Royal Meteorological Institute of Belgium, Belgium)

3:00 PM Detection and estimation of precipitation using a dual-frequency 18-80 GHz link in tropical Africa (Douala, Cameroon) - Armel Kodji (UNIVERSITE FELIX HOUPHOUËT BOIGNY)

3:00 PM Applying local drop size distributions to estimate rainfall from commercial microwave links in the tropics - Bas Walraven (Delft University of Technology)

3:00 PM Urban precipitation retrieval leveraging OISAC networks - Dror Jacoby

3:00 PM Validating ERA5 soil moisture product using rainfall data from rain gauges and commercial microwave links - Smit Chetan Doshi (Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI))

3:00 PM Opportunistic rainfall detection using microwave backhaul links of regional ISPs - Vojtech Smejkal

3:00 PM TelcoSense: operational visualization of rainfall and temperature from commercial microwave links - Petr Musil (Brno University of Technology, Department of Telecommunications) Štěpán Miklánek (Brno University of Technology)

3:00 PM Global availability of Netatmo precipitation data - Benjamin Bechtel (Bochum Urban Climate Lab)

3:00 PM Update on the EURADCLIM gauge-adjusted radar precipitation dataset - Aart Overeem (Royal Netherlands Meteorological Institute)

3:00 PM CML rainfall data: a cost-efficient path for hydrological modelling - Andrijana Todorovic (University of Belgrade, Faculty of Civil Engineering, Institute for Hydraulic and Environmental Engineering)
4:15 PM Panel discussion - moderator: Remko Uijlenhoet (Delft University of Technology)

4:15 PM - 5:00 PM

5:00 PM Drinks

5:00 PM - 6:00 PM
Wednesday, June 24, 2026

8:30 AM Registration

8:30 AM - 9:00 AM

9:00 AM Keynote: "Advancing a European social digital infrastructure through crowdsourced weather observations" by Irene Garcia-Martí (Royal Netherlands Meteorological Institute)
"Advancing a European social digital infrastructure through crowdsourced weather observations" by Irene Garcia-Martí (Royal Netherlands Meteorological Institute)
9:00 AM - 9:30 AM
9:30 AM Oral session #3: OS data acquisition, management & standardization
OS data acquisition, management & standardization
9:30 AM - 10:15 AM
Contributions

9:30 AM Delft Measures: assessment of citizen science rainfall observations - Arjan Droste (Delft University of Technology)

9:45 AM DISDRODB: a global database of raindrop size distribution observations - Remko Uijlenhoet (TU Delft)

10:00 AM A demo of the GMDI-CAP system for scalable global microwave link data collection and processing. - Christian Chwala (KIT (IMK-IFU))
10:15 AM Coffee break

10:15 AM - 10:45 AM
10:45 AM Oral session #4: Processing methods
Processing methods
10:45 AM - 12:30 PM
Contributions

10:45 AM Opportunistic rainrate estimation via 4G cellphone signals using a random forest framework - Xichuan Liu (the College of Meteorology and Oceanography, National University of Defense Technology)

11:00 AM Opportunistic rainfall estimation from satellite microwave link attenuation using a hybrid CNN-LSTM network - Gil Rafalovich (Tel Aviv University)

11:15 AM Adaptive K–R relationships based on cloud phase classification using SEVIRI observation - Taoufiq Shit (CTU university ,Prague)

11:30 AM Rainfall estimation via weighted integration of instantaneous and min-max CML protocols from two different providers - Matan Antebi (Tel Aviv University)

11:45 AM Restoring missing commercial microwave link measurements using graph signal processing - Yaara Peled

12:00 PM Opportunistic uplink rain sensing with FGM transponders using a dry-weather baseline - Emanuele Maria Sciortino (University of Pisa)

12:15 PM AI-based wet/dry classification of commercial microwave links using XGBoost and a Tiny Transformer - Ali Daher
12:30 PM Lunch break

12:30 PM - 1:45 PM
1:45 PM Oral session #5: OS data merging
OS data merging
1:45 PM - 2:15 PM
Contributions

1:45 PM End-to-end data-driven fusion of radar, gauge, and opportunistic sensors for rainfall estimation - Pierre Lepetit (Météo-France)

2:00 PM CML rainfall field reconstruction with GenAI and a combination with geostationary satellite data - Selina Janner (KIT/IMK-IFU)
2:15 PM Coffee poster session #2: Comparative performance analysis and uncertainty assessment, and Processing methods
Comparative performance analysis and uncertainty assessment, and Processing methods
2:15 PM - 3:30 PM
Contributions

2:15 PM A benchmarking framework for PWS quality control algorithms - Damaris Zulkarnaen

2:15 PM TelcoTemp: opportunistic air temperature monitoring from operational microwave link networks - Matej Istvanek (Brno University of Technology) Petr Musil (Brno University of Technology, Department of Telecommunications)

2:15 PM SynthRain: a synthetic testbed for opportunistic rainfall mapping with dense city-scale CML networks - Matej Istvanek (Brno University of Technology)

2:15 PM AI-enhanced rainfall detection and monitoring using CMLs in smart cities - Congzheng Han

2:15 PM Using commercial microwave links for quantitative rainfall estimation in Belgium: optimisation and calibration - Simon De Corte (Department of Geography, Ghent University, Belgium)

2:15 PM Microwave link attenuation under rain and hail: insights into hail effects - Liora Mazangia

2:15 PM Comparison of CML-based precipitation estimates to GPCC and GIRAFE for SetGMDI pilot regions - Tanja Winterrath (Deutscher Wetterdienst)

2:15 PM Comparison of cellular microwave link (CML), meteorological, and model data of absolute humidity values in urban Jerusalem - Konstantin Romantsov (Tel Aviv University)

2:15 PM An overview of the MERGOSAT project and first results for improved wet-dry classification using SEVIRI data, SML attenuation in the melting layer and novel wet antenna attenuation simulations - Christian Chwala (KIT (IMK-IFU))

2:15 PM Rainfall acoustic classification in semi-urban and forest soundscapes with machine learning - Rodrigo Xavier (Universidade Federal do Ceará, Université de Toulouse)
3:30 PM Oral session #6: Comparative performance analysis and uncertainty assessment
Comparative performance analysis and uncertainty assessment
3:30 PM - 5:00 PM
Contributions

3:30 PM 5G-and-beyond for high-resolution, high-accuracy opportunistic weather monitoring: 5G+-Weather - Sander Bronckers (Eindhoven University of Technology)

3:45 PM Country-wide rainfall estimates from a commercial microwave link network in Belgium - Kwinten Van Weverberg (Ghent University)

4:00 PM The signal beyond the noise - Sagi Alon

4:15 PM The importance of KPI standardization in validation studies of rainfall data retrieved by opportunistic sensors - Roberto Nebuloni (Consiglio Nazionale delle Ricerche (CNR)) Filippo Giannetti (University of Pisa)

4:30 PM The use of transformers for empirical study of the effect of different sampling protocols on rain estimation accuracy - Jonatan Ostrometzky (Tel Aviv University)

4:45 PM Two fluxes from one device: opportunistic sensing of precipitation and evaporation using microwave links from cellular communication networks - Remko Uijlenhoet (TU Delft)
5:00 PM Closure

5:00 PM - 5:15 PM

Choose timezone