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33rd session on the CAS/WCRP Working Group on Numerical Experimentation.
Tokyo, Japan
9 - 12 October 2018

Agenda

Agenda (PDF file)

Presentation files

Day 1 - WGNE session

• WGNE blue book
• GLASS report
• Years of the Maritime Continent (YMC): Current status and future
• TC verification
• Surface fluxes project
• Aerosols project
• Use of NWP simulations for climate model precipitation evaluation
• WGNE computer table
• GASS report (incl. plans for drag and grey zone projects)
• MJO-TF update

Day 2 - WGNE PDEF joint session

• WCRP/CAS/WWRP/GAW matters (including WCRP & WWRP plans and WCRP sponsors review)
• WCRP/CAS/WWRP/GAW matters (including WCRP & WWRP plans and WCRP sponsors review)
• Known systematic errors/summary of the WSE workshop
• Diagnosis of sources of model error
• Dynamical ramifications of observed tropopause error (learning from NAWDEX)
• Stochastic physics as a representation of sub-grid scale uncertainty
• Building stochastic representation of uncertainty into physical parametrizations
• Report from SPARC GA with focus on errors in the representation of the stratosphere and coupling with predictability of the troposphere
• TIGGE status report
• Use of TIGGE in TC forecasting
• WGNE review of centres ensemble systems (incl. current stochastic physics schemes) : operation
• WGNE review of centres ensemble systems (incl. current stochastic physics schemes) : research

Day 3 - WGNE session

• CMDP report
• JWGFVR report including progress with process-orientated and surface verification
• Fixing systematic errors at CPTEC
• Activities at DWD to reduce systematic errors of the ICON model
• On the systematic reduction of GFS biases with FV3 dycore and advanced microphysics
• Activities at CMC to reduce systematic errors in the GEM model
• 20th century temperature biases as CESM2.1
• The challenges in reducing systematic biases in the Indian Ocean
• Understanding/fixing systematic errors
• Reducing systematic errors in seasonal forecasts
• Improvement of SL-AV model climate and the impact on medium-range weather forecasts
• Exascale review (atmosphere and ocean model scalability) + discussion of plans

Day4 - WGNE session

• CMIP/HiRes MIP status (1)
• CMIP/HiRes MIP status (2)

Day4 - Open session

• WCRP
• WGNE
• WWRP
• PDEF
• JMA plan by Chiashi Muroi (Director of Numerical Prediction Division)
• Pushing the limits: Big Data Assimilation research at RIKEN : Takemasa Miyoshi (Team Leader, Data Assimilation Research Team, RIKEN Center for Computational Science)