International Precipitation Conference 15
Coimbra, Portugal (and online everywhere)
15 - 17 June, 2026
Harnessing the data revolution for precipitation estimation and prediction across scales and regimes.
The call for sessions and workshops now open, extension until December 10, 2025, due to the U.S. Government Shutdown.
The Conference
Harnessing the data revolution for precipitation estimation and prediction across scales and regimes.
15 - 17 June, 2026
In person in Coimbra and online everywhere!
The goal of IPC15 is to foster a dynamic and global platform for scientists, practitioners, students, and policymakers to address emerging challenges, explore innovative approaches and technologies, and discuss the future of precipitation science and applications. Building on the success of IPC14, the conference will include standard sessions, interactive discussions, and workshops aimed at developing practical skills for the next generation of researchers.
Set in Coimbra, home to one of the world’s oldest universities, IPC15 offers a unique blend of rich heritage and modern innovation, providing an inspiring venue for global collaboration.
IPC15 Themes
The theme of IPC15 is "Harnessing the data revolution for precipitation estimation and prediction across scales and regimes," focusing on the following key areas:
June 15
Bridging models and observations, including through novel AI methodologies
June 16
Spatio-temporal variability, from microphysical processes to synoptic-scale patterns
The science team
June 17
Partnerships for addressing societal challenges and decision-making
Our team
IPC15 brings together the world’s leading voices in precipitation research and applications. Our organizing committee, thematic leads and featured speakers are renowned scientists, innovators, and policy influencers shaping the future of water, climate, and resilience. From satellite missions to ground-breaking fieldwork, meet the people driving progress.
Organizing Committee
Colorado State University
UC Irvine
University of Oklahoma
NASA /
Jet Propulsion Laboratory
University of Coimbra (local host)
Thematic leads
The list will continue to be updated.
IPC15 Key Dates
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Call for sessions: September 22, 2025 - December 10, 2025: Now open
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Volunteering opportunities announced: September 24, 2025
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Community sessions announced: December 15, 2025
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Abstract submission open: December 15, 2025 - January 31, 2025
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Abstract results & program: February 15, 2026
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Registration and housing opens: February 15, 2026
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Conference: 15 - 17 June, 2026
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South America Workshop: date to be announced.
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Africa Workshop: date to be announced.
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India Workshop: date to be announced.
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Europe Workshop: date to be announced.
About Coimbra
The heart of Portugal
Perched above the winding Mondego River, Coimbra is the heart of Portugal—where centuries of history, culture, and scientific legacy converge. Once the medieval capital of the country and now home to one of the world’s oldest universities, Coimbra blends the charm of cobbled streets and Roman ruins with the vitality of academic life, innovation, and leading business incubators. From the beauty of Coimbra's unique take on 'fado', sung in ancient cloisters to the hum of research centers shaping the future, Coimbra invites all who visit to experience a city where tradition meets discovery.
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Next key date:
Call for sessions and workshops open until December 15, 2025.
Harnessing the Data revolution.
Past IPC events
IPC14, National Weather Center, Norman, OK, USA
IPC12, UC Irvine, USA
IPC11, Wageningen, Netherlands
IPC10, Coimbra, Portugal
IPC9, Marnes le Vallée, France