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Blocking and Extreme Weather in a Changing Climate Workshop Agenda

Time Agenda Presenter Presentation file

Workshop registration and breakfast

Welcome, opening remarks, and workshop goals

Session 1: Extreme Weather and Links to Blocking and/ or Persistent Circulation Patterns

Chairs: Lei Wang and Vee Narinesingh

(Invited) A primer on extreme weather and links to blocking and/or persistent circulation patterns Olivia Romppainen-Martius, University of Bern
Storm swamp: A key region for concurrent blocking and heat wave events with quasi-stationary Rossby waves amplification Valentina Castañeda, Purdue University Download
Severe weather in southern Europe and severe flooding in Pakistan in August 2022: Linked blocking-related extreme weather events Lance Bosart, University at Albany/SUNY Download
Trends in extreme cold air outbreaks in a changing climate and the role of blocking Hilla Afargan Gerstman, ETH Zurich

Open discussion

Break

Lightning talks for virtual posters

Poster session 1

Lunch

Session 2: Theory, Diagnostics, and Hierarchical Modeling of Blocking

Chairs: Jian Lu and Gang Chen

(Invited) What’s so hard about making theories of atmospheric blocking? Noboru Nakamura, University of Chicago Download
A novel atmospheric background state with potential relevance for the onset of blocking Volkmar Wirth, Johannes Gutenberg University Mainz Download
Northern Hemisphere winter blocking: Differing onset mechanisms across regions Zhuo Wang, University of Illinois at Urbana–Champaign Download
The three-way feedback between Rossby wave breaking events, circulation regimes, and surface weather Talia Tamarin-Brodsky, Massachusetts Institute of Technology Download

Open discussion

Break

Breakout Session 1

End of day for virtual participants; Networking event

End of day 1

Time Agenda Presenter Presentation file

Alternate breakout session (virtual only)

Breakfast

Recap day 1

Session 3: Representations and Predictability of Blocking in Climate and Weather Models

Chairs: Isla Simpson and Vee Narinesingh

(Invited) Blocking simulation in global models – are we getting there? Reinhard Schiemann, University of Reading Download
Seasonal prediction of wintertime north Pacific blocking: What are we capturing and missing? Mingyu Park, Princeton University Download
Precision forecasting of Atlantic blocking events: Utilizing explainable AI and transfer learning to discern critical precursors and achieve superior predictive models with limited observational data Huan Zhang, New York University Download
Increasing Greenland blocking trend not present in climate models Jacob Maddison, University of Exeter Download

Open discussion

Break

Lightning talks for virtual posters

Poster session 2

Lunch

Session 4: Diabatic Processes and Feedbacks

Chairs: Jian Lu and Melissa Breeden

(Invited) Contradictory results concerning the relative importance of dry and moist process in blocking dynamics: Is it the perspective that matters? Seraphine Hauser, University of Oklahoma Download
The role of cloud-radiative feedbacks in wintertime blocking over the Euro-Atlantic sector Sandro Lubis, Pacific Northwest National Laboratory
Blocking diversity: The distinct roles of diabatic heating Zhaoyu Liu, Purdue University Download
The top-down thermodynamic control of atmospheric blockings on the magnitude of surface heat waves Emily Neal, Harvard University Download

Open discussion

Break

Breakout session 2

End day 2

Time Agenda Presenter Presentation file

Alternate breakout session (virtual only)

Breakfast

Recap day 2

Session 5: Interactions with other components in the Earth System

Chairs: Melissa Breeden and Stephanie Henderson

(Invited) Relationships between atmospheric blocking and large-scale modes of climate variability: The key role of the tropical Pacific Christina Karamperidou, University of Hawaii Download
More frequent atmospheric rivers slow the seasonal recovery of Arctic sea ice Pengfei Zhang, The Pennsylvania State University Download
Pacific oceanic front amplifies the impact of Atlantic oceanic front on North Atlantic blocking Noureddine Omrani, University of Bergen Download
The role of AMOC weakening in future Euro-Atlantic atmospheric circulation Andrea Vito Vacca, Politecnico di Torino Download

Open discussion

Break

Session 6: Climate Projections and Impacts

Chairs: Lei Wang and Tim Woollings

(Invited) Duration and size of blocking events: Future changes and the impact on weather extremes Pedram Hassanzadeh, University of Chicago Download
Projected increase in summer heat-dome-like stationary waves over northwestern North America Ziming Chen, Pacific Northwest National Laboratory Download
Moving beyond the mean to understand circulation extremes under climate change Tiffany Shaw, University of Chicago
Current and future perspectives on North American polar–subtropical jet superposition events Andrew Winters, University of Colorado Boulder Download

Open discussion

Lunch

Breakout session 3

Break

Breakout Reports

Final discussion of next steps

End of workshop