General Assembly 4

26 to 29 March 2019 Universitat Politècnica de Catalunya (UPC), Barcelona, Spain
  1. To examine first Stream 2 results in terms of climate system understanding and model development
  2. To examine first Stream 1 results for future projections of climate
  3. To explore different channels for exploiting project outputs in collaborative research

Download complete program

Group picture of PRIMAVERA 4th general assembly
Participants (click on image to zoom in)

Tuesday 26 March

9:30 Welcome from BSC and PRIMAVERA science coordinators
9:45 – 12:30 Plenary session – PRIMAVERA high-resolution climate modelling results: WPs 1–3
WP1 Development and application of metrics for process-based evaluations
• Overview of WP1 work and results
• ESMValTool and PRIMAVERA metrics: what we give and what we get
Relationships between ocean heat transport and Arctic sea ice
• Summer temperature trends over western Europe in new high‐resolution climate models: consistency with observations and role of large scale circulation
Representation of blocking in a multi‐model ensemble of high‐resolution coupled global climate models

WP2 Added value of high resolution in the atmosphere and the ocean
Overview on WP2 progress
• Decadal‐scale response of the AMOC to reduced and increased wind stress forcing
• Air‐sea interactions in the Gulf Stream region during extreme events
• Impact of increased resolution and stochastic physics on Euro‐Atlantic Weather Regimes
• Water budget of tropical cyclones in the PRIMAVERA ensemble

WP3 The role of model physics
• Overview of WP3
Extratropical cloud feedbacks across model resolutions
• Using rivers in JULES to understand HadGEM precip biases at catchment scale
• HYDROS: an improved representation of river discharge in global coupled models
• Progress in the implementation of the IDEMIX surface boundary layer model
• Progress in the implementation of the OSMOSIS surface boundary layer model
• Effect of improved sea ice processes on representing Arctic sea ice

14:00 – 16:00 Plenary session – PRIMAVERA data and stakeholder work: WPs 4–6
WP4 Frontiers of climate modelling
• WP4 Overview
• Stochastic physics
• EC‐Earth3P eddy‐resolving coupled simulation
• 4xCO2 simulations with eddy‐resolving model
• Latest results from the AWI model

WP5 Drivers of variability and change
• WP5 Overview
• AMV impact on Euro‐Mediterranean summer temperature
• AMV impacts on Pacific ocean: importance of the mean state
• Tropical North Atlantic as a potential non‐stationary modulator of the ENSO impact on spring European rainfall
Towards attribution of regional climate change: the recent Eurasian cooling

WP6 Flagship simulations
• Overview of the Stream 1 and 2 data delivery to JASMIN
• Status of Stream 1 simulations
• Stream 2 simulations: motivation, plans, status
• HighResMIP status

16:30 – 18:00 Plenary session – PRIMAVERA 'end-to-end' results
Topic 1: European storms
• Brief introduction
• Impacts of increasing model resolution on the North Atlantic eddy‐driven jet and blocking
• North Atlantic post‐tropical cyclones
• Analyses of characteristics of extratropical cyclones over Europe for the insurance sector using PRIMAVERA and CMIP5 GCMs

Topic 2: Arctic sea ice and feedbacks
• Increasing Atlantic Ocean heat transport in the latest generation coupled climate models and related changes in air-sea heat fluxes
Relationships between ocean heat transport and Arctic sea ice
• Local and remote atmospheric responses to sea ice variations in Stream1 simulations
• Northern Hemisphere atmospheric response to Arctic summer sea ice loss and impact of model resolution

Topic 3: SST gradients
• Introduction
• Resolution dependence of oceanic forcing
Air‐sea interactions in the Gulf stream region
• Impact of Gulf stream interaction of Europe Sybren

Wednesday 27 March

CMIP6 workshop

Thursday 28 March

10:00 – 13:00 Plenary session – PRIMAVERA data and stakeholder work: WPs 9–11
WP10 Climate Risk Assessment
WP11 User engagement and dissemination

Overview of WPs 10 and 11
Extreme future central European summer droughts in a high‐resolution global climate model
Creating a wind storm event set from PRIMAVERA data for the (re)insurance industry
• Comparison of statistics of selected meteorological events in CMIP5, CORDEX and in PRIMAVERA models
• A three‐step participatory approach to climate services co‐production
• Developments on the PRIMAVERA UIP

WP9 HPC and Data Management
• Overview and data availability
• Plenary discussion on 'Data access and data issues'

14:30 – 16:00 Breakout groups (BOG) for WP / topic meetings in parallel
BOGs to discuss inter alia:
• stream 1 and 2 results
• exploitation of results including CMIP/IPCC
• any changes to the plan
• communicating results / feedback to other WPs
• other (e.g. data, papers, meetings, ...)

16:30 – 18:15 Plenary session – feedback and discussion
Feedback from BOGs
Feedback from EEAB and Expert Reviewer

Friday 29 March

10:00 – 12:30 Plenary session – expert feedback, exploitation of results and next steps
Feedback from EEAB and Expert Reviewer
Further exploitation of PRIMAVERA outputs (CLIVAR, CMIP, IPCC, papers, etc.)
Summary and next steps
14:00 – 16:00 PRIMAVERA EMB – only EEAB and WP leads to attend