ASP Colloquia

2021 ASP Colloquium - The Science of Subseasonal to Seasonal (S2S) Predictions
2022 ASP Colloquium Workshop - The Science of Subseasonal to Seasonal (S2S) Predictions - July 11-15, 2022


Every year, the Advanced Study Program hosts a summer colloquium designed for graduate students on subjects that represent new or rapidly developing areas of research for which good course material may not yet be available. The colloquium brings together lecturers and graduate students to NCAR and generally includes about 25 student participants, and several lecturers from NCAR and the community at large.


In 2021, the Advanced Study Program is hosted "The Science of Subseasonal to Seasonal (S2S) Predictions."

In 2022 the Advanced Study Program is hosting the workshop associated with the 2021 colloquium, The Science of Subseasonal to Seasonal (S2S) Predictions.

Organizers: Judith Berner (NCAR) and Aneesh Subramanian (CU Boulder)
Scientific organizing committee:Yaga Richter (NCAR), Elizabeth Barnes (Colorado State University), Donata Giglio (CU Boulder),Neena Mani Joseph (IISER Pune, India), Arun Kumar (NOAA/CPC), Kathy Pegion (GMU),Carolyn Reynolds (NRL), Sam Shen (SDSU), Yuhei Takaya (JMA-MRI, Japan), Frederic Vitart (ECMWF),Duane Waliser (JPL/CalTech), and Chidong Zhang (PMEL/NOAA)

This colloquium was held virtually, July 12-23 2021

This Summer Colloquium is intended to bring experts from academia and operational centers together with graduate students and early-career scientists to discuss predictions on the subseasonal to seasonal timescale. S2S science bridges the prediction gap between weather and climate and forecasts on this timescale are highly sought after by the energy, water management, agriculture, and other sectors.

This colloquium is intended for advanced graduate students or post-docs whose expertise includes atmospheric and adjacent sciences. It will feature lectures from domestic and international experts on the fundamental processes leading to S2S predictability such as the Madden-Julian Oscillation, sudden stratospheric warmings, and interactions with the land and cryosphere.

Approximately 25 students will be selected to participate in the colloquium. Travel costs (air fare, lodging, ground transportation, etc.) will be covered for all selected participants. However, selected participants must pay a fee to cover workshop refreshments.

Expected Outcome
This colloquium will provide attendees with an integrated conceptual understanding of numerical modeling, initialization strategies, ensemble configuration and applications of S2S-predictions. Attendees will also gain hands-on experience by applying probabilistic verification and process-based S2S diagnostics to numerical simulation output.

Scientific workshop

As part of the colloquium a scientific workshop will take place July 11-15, 2022 as part of which invited speakers will present the latest results and challenges in this fast moving field.



  • To qualify, applicants should be a graduate student at the time of applying.
  • Applicants should be enrolled full-time in a masters or PhD program in the atmospheric or related sciences.
  • U.S. citizens and non-citizens are welcome to apply.

Note: Please be aware that all applicants selected to the ASP Colloquium are expected to adhere to the UCAR Code of Conduct while participating in any NCAR/UCAR led activity.

We encourage applications from individuals who are members of a group that is historically underrepresented in the atmospheric and related sciences, including students who are black or African American, American Indian or Alaska Native, Hispanic or Latino, female, first-generation college students, veterans, and students with disabilities. The program welcomes lesbian, gay, bisexual, and transgender students.