NDACC 2025 Symposium
Dates: 27–30 October 2025
Location: Virginia Beach, VA, USA
The Network for the Detection of Atmospheric Composition Change (NDACC) 2025 Symposium, celebrating 35 years of NDACC/Network for the Detection of Stratospheric Change (NDSC) operations and atmospheric research fostered by Network observations, will be held from 27–30 October 2025 at the Sheraton Virginia Beach Oceanfront Hotel in Virginia Beach, VA, USA. The symposium will provide a forum to exchange information on the latest scientific achievements using NDACC and related observations, and to present NDACC’s measurement strategy for the future.
Current members of the NDACC community, and members of the atmospheric chemistry community who hope to initiate and/or strengthen their ties to NDACC, are welcome to the symposium. There is no abstract fee, and Early Bird Registration will run from 2 June to 29 August. There will be a virtual option for attendance.
The Trans-Himalayas, home to all summits exceeding 8,000 meters in elevation, is highly sensitive to climate change due to its extensive ice, snow, permafrost, and carbon reserves. The cryospheric meltdown caused by global climate change affects over 2 billion people downstream. However, environmental research in this region faces significant uncertainties in quantifying climate change and its cross-sectoral impacts. This highlights the urgent need for a comprehensive Earth system approach.
Climate change is a global issue that affects livelihoods across borders. To collectively address the challenges it poses to regional sustainability and global Earth science advancement, the International Association for Trans-Himalaya Earth System Science (ATH) is pleased to announce the 1st International conference on Trans-Himalaya Earth System Sciences, to be held in Kathmandu, Nepal in October, 2025.
The conference will focus on a range of key themes of:
- Glacier Melt and Earth System Consequences
- Biodiversity Conservation and Global Change
- Tectonic Uplift of the Trans-Himalayas and its Impacts
- Trans-Himalayas Teleconnections
- Hazards Risks and Adaption Strategies
- Other related topics
Forecasts on sub-seasonal to inter-decadal timescales have a diverse range of applications in climate services, including disaster preparedness, and short- mid- and long-term planning. However, the complexity of methods, uncertainty assessment and ways to merge forecasts across timescales presents a significant knowledge and skill gap. The Summer School on Climate Prediction Across Timescales aims to address these gaps, and it is, designed for early-career researchers and advanced students interested in the science and application of climate predictions. The school will offer foundational and advanced lectures in the mornings and interactive, hands-on lab sessions in the afternoons.
Objectives and outcomes
Participants will:
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The target audience of the school is: Graduate students and postdocs in atmospheric, climate, and data sciences; and junior researchers and professionals working in climate services or operational prediction.
Baltic Earth Scientific Colloquium Series
Speaker: Dr Sonja Ehlers (IBES) from the Leibniz Institute for Baltic Sea Research Warnemünde (IOW), Germany, who will present a lecture entitled: “The effects and fate of plastic pollution in aquatic ecosystems”.
Please register via the Baltic Earth website to receive the Zoom link: https://baltic.earth/events/details/e112454
The science and practice of subseasonal to decadal prediction are at a crossroads. In recent years, subseasonal and decadal prediction have matured from exploratory research areas into multi-system operational services, while multi-annual and multi-decadal timescales have emerged as further temporal realms for initialized prediction. However, inherent sources of predictability remain to be fully understood and exploited as predictions aim to address a widening array of Earth system components and to support early warnings of extreme events. Meanwhile, artificial intelligence/machine learning are propelling rapid and revolutionary developments, the outcomes of which are not yet clear.
This event will provide a forum for the current state of Earth system prediction science to be shared and discussed. It will consist of two parallel sub-conferences, respectively focusing on the subseasonal-to-seasonal and seasonal-to-decadal prediction horizons, together with plenary sessions addressing cross-cutting themes. Overall objectives include:
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Facilitating coordination and integration of global research on subseasonal to decadal Earth system prediction and its applications
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Highlighting scientific advances and emerging methodologies in subseasonal to decadal prediction
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Sharing approaches for development of products and services from subseasonal to decadal predictions
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Providing opportunities for Global South and early career professionals to share their work and network with the international research community.
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Informing the development of operational systems to provide Early Warnings for All (EW4A)
This meeting is open to all scientists, producers, and users involved in subseasonal to decadal climate predictions and related topics, at all stages of their careers.
During the summer school, organized by the Strengthening the research Capacities for Extreme Weather Events in ROmania (SCEWERO) project, young researchers and students in climate, hydrology and environmental studies will be able to gain practical experience with processing and analyzing climate and hydrological data to assess extreme weather events.
The summer school is organized in four sessions:
- Heatwave session: This session will focus on science, tools, long-term trends, regional context, national datasets, and shortcomings. A dedicated slot will be allocated to the seasonal forecast of heatwaves based on dynamical and AI-driven approaches
- Drought session: the main topics are on drought science, tools, indices, datasets, drivers, forecasting, historical and future trends
- Floods session: topics covered by this session include indices, datasets, drivers, forecasting, historical and future trends.
- Compound extremes session: it will cover information and tools to assess compound extremes and their impacts on socioeconomic development
For details and registration, click here.
Pre-monsoon rainfall in Northeastern (NE) Indian subcontinent (NEIS) is now emerging as new hotspot of Asian monsoon research of climate change impact. Devastating tornadoes, floods and lightning activities due to extreme Severe Local Storms (SLSs) are increasing in recent decade showing a possible signal of extreme pre-monsoon climate in the near future. Further, recent climate change science elucidated the unique strong land-atmosphere coupling in premonsoon system over the NE India can be a key factor to induce significant uncertainties in future climate change projection.
In this workshop, we would like to advance our understanding of pre-monsoon SLSs for mitigation of disasters under the upcoming climate change over this region.
Our primary topics of the workshop will be:
- Historical database for pre-monsoon hazards over NEIS
- Developments of modelling strategies for the pre-monsoon SLSs over NEIS
- Innovative understanding of the concept of “pre-monsoon”
- Future projection of pre-monsoon SLSs over NEIS under the climate change
- Analysis of passed pre-monsoon SLSs over NEIS
- Future plans for observational field campaign for pre-monsoon SLSs over NEIS
- Strategies for enhancement of preparedness for pre-monsoon hazards over NEIS
To register and submit please click here.
The GEWEX Global Groundwater Network (GGN) will have a Splinter Meeting at the EGU in Vienna, Austria on
Wednesday, April 30th at 8:30, Room 2.83.
The aim of this meeting is to discussing ongoing and future GGN activities to build a strong community and establish a constructive, consistent voice for hydro-geology and groundwater modeling in Earth system modeling and GEWEX framework.
The session description of the Splinter Meeting can be found at
https://meetingorganizer.copernicus.org/EGU25/session/54888.
More information about the GEWEX Global Groundwater Network can be found at
https://www.gewex.org/ggn/.
The Global Flood CrossCutting Initiative brings together research communities that various funding agencies have cultivated to advance flood research and assessment. The goal is to identify opportunities where global collaborations can uniquely advance more approaches to understand flood consequences and identify the data, research infrastructure, and initiatives necessary for impactful partnership on this subject.
To discuss ideas and engage with the community on this important topic and help move this initiative forward, an online meeting is hosted every first Friday of the month at 09:00 am (EDT).
Find your time zone at https://www.timeanddate.com/time/map/
For information and links visit https://www.gewex.org/floods-cc/
