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Description 
An increasing appreciation of intra-seasonal interactions between the tropics and extra-tropics has raised the possibility of increased predictability of significant circulation and weather anomalies in many regions. This school will introduce this new perspective to the students, giving them hands-on experience in the computer lab.
During the first week of the School, the lecturers will review the state of knowledge of Tropical- Extratropical interactions, with an emphasis on basic dynamics, and on hypotheses that can be tested with the forecasts and re-forecasts from a number of operational centers and possibly experiments with the ICTP climate model. Lectures will be held in the mornings.
In the afternoons, the students (participants) will form teams to design lab projects to explore the relationships discussed in the morning, using the S2S forecast database http://journals.ametsoc.org/ doi/abs/10.1175/BAMS-D-16-0017.1
and possibly design experiments with the ICTP climate model (SPEEDY) https://www.ictp.it/research/esp/models/speedy. aspx.
During the second week, the lecturers will cover more advanced research, and the participants will continue their projects, in consultation with the lecturers.
The topics center on the role of intra-seasonal interactions between the tropics and extra-tropics in increased potential predictability of significant circulation and weather anomalies in many regions.

Speakers:
John Albers (University of Colorado, USA)
Mariano S. Alvarez (CIMA/CONICET-UBA, Argentina)
Laura Ferranti (ECMWF, UK)
Nicholas Hall (LEGOS/University of Toulouse, France)
Ivana Herceg Bulic (University of Zagreb, Croatia)
Manish Joshi (RCCS, Busan, Rep. of Korea)
Fred Kucharski (ICTP, Italy)
Hai Lin (McGill University, RPN, Quebec, Canada)
Franco Molteni (ECMWF, UK)
Josefina Moraes Arraut (University of Campina Grande, Brazil)
Ángel Muñoz (Princeton University, USA )
Ana Carolina Nóbile Tomaziello (University of Sao Paulo, Brazil)  
Andrew Robertson (IRI, Columbia University, USA)
Ascanio Scambiati (Metweb, Italy)
Noureddine Semane (EHTP, Morocco)
Kamil Shahzad (King Abdulaziz University, Saudi Arabia)
Cristina Stan (George Mason University, USA)
David Straus (George Mason University, USA)
Adrian Tompkins (ICTP, Italy)
Fei Zheng (IAP, CAS, China)

Material

Advanced School on Tropical-Extratropical Interactions on Intra-Seasonal Time Scales | (smr 3155)
Go to day
  • Monday, 16 October 2017
    • 08:30 - 19:30
      • 08:30 Registration and payment formalities: Registration at venue - ATTENTION ONLY for ALL Faculty and for those participants who are NOT staying in the ICTP Guest Houses- Paid participants registered already at the guest house receptions could go DIRECTLY (with passport!) 1st to Operations office FERMI Building: Monday, Tuesday, Friday 8:30-12:00 and 13:30 - 14:30 and 2nd to UNICREDIT BANK branch on ICTP campus, Fermi Building, open only on Mondays and Fridays 8:20 to 13:20 and from 14:30 to 16:00 1h0'
      • 09:30 Opening 15'
      • 09:45 Basic Mechanisms for Teleconnections & Tropical-Extratropical coupling 45'
        Speaker: David Straus (George Mason University, USA)
        Material: Slides Video
      • 10:30 coffee break 30' ( AGH )
      • 11:00 Review of teleconnections on intraseasonal time scales 45'
        Speaker: Cristiana Stan (George Mason University, USA)
        Material: Slides Video
      • 11:45 Introduction to stratospheric dynamics and stratosphere-troposphere coupling 45'
        Speaker: John Albers (University of Colorado / NOAA)
        Material: Slides Video
      • 12:30 lunch break 1h30' ( AGH )
      • 14:00 Diagnosing intraseasonal teleconnections in reanalysis data using the IRI Data Library 1h30' ( Adriatico Guest House - Informatics Laboratory )
        Speaker: Andrew Robertson (IRI, Columbia University, USA)
      • 15:30 coffee break 30' ( AGH )
      • 16:00 Diagnosing intraseasonal teleconnections in reanalysis data using the IRI Data Library 1h0'
        Speaker: Andrew Robertson (IRI, Columbia University, USA)
      • 18:30 ice breaker welcome get together 1h0'
  • Tuesday, 17 October 2017
    • 09:00 - 17:00
      • 09:00 Introduction to the WWRP/WCRP S2S Project 45'
        Speaker: Andrew Robertson (IRI, Columbia University, USA)
        Material: Slides Video
      • 09:45 The MJO and its effect on mid-latitudes 45'
        Speaker: David Straus (George Mason University, USA)
        Material: Slides Video
      • 10:30 coffee break 30' ( AGH )
      • 11:00 Influence of midlatitude disturbances on the MJO 45'
        Speaker: Hai Lin (McGill University, Montreal, Canada)
        Material: Slides Video
      • 11:45 Modeling the influences of the extratropics on the MJO 45'
        Speaker: Nicholas Hall (LEGOS, University of Toulouse, France)
        Material: Slides Video
      • 12:30 lunch break 1h30' ( AGH )
      • 14:00 Introduction to SPEEDY and Different possible types of experiments with SPEEDY 1h30' ( Adriatico Guest House - Informatics Laboratory )
        Speaker: Fred Kucharski (ICTP. Trieste, Italy)
      • 15:30 coffee break 30' ( AGH )
      • 16:00 Introduction to SPEEDY and Different possible types of experiments with SPEEDY 1h0' ( Adriatico Guest House - Informatics Laboratory )
        Speaker: Fred Kucharski (ICTP. Trieste, Italy)
  • Wednesday, 18 October 2017
    • 09:00 - 21:30
      • 09:00 An empirical dynamical approach to modeling teleconnections using the DREAM model 45'
        Speaker: Nicholas Hall (LEGOS, University of Toulouse, France)
        Material: Slides Video
      • 09:45 Coupled Tropical-Extratropical interactions, including globally unstable modes 45'
        Speaker: Hai Lin (McGill University, RPN, Montreal, Canada)
        Material: Slides Video
      • 10:30 Group photo - coffee break and poster session 1h15' ( AGH )
      • 11:45 Role of the stratosphere (sudden warmings) on intraseasonal tropical-extratropical interactions 45'
        Speaker: John Albers (University of Colorado, NOAA, USA)
        Material: Slides Video
      • 12:30 lunch break 1h30' ( AGH )
      • 14:00 Introduction to the S2S Database and diagnosing teleconnections in subseasonal forecasts using the IRI Data Library 1h30' ( Adriatico Guest House - Informatics Laboratory )
        Speaker: Robertson A. / Tompkins A. (IRI / ICTP)
      • 15:30 coffee break 30' ( AGH )
      • 16:00 Introduction to the S2S Database and diagnosing teleconnections in subseasonal forecasts using the IRI Data Library 1h0' ( Adriatico Guest House - Informatics Laboratory )
        Speaker: Robertson A. / Tompkins A. (IRI / ICTP)
  • Thursday, 19 October 2017
    • 09:00 - 21:30
      • 09:00 Intraseasonal variability of the NH midlatitude and tropics 45'
        Speaker: Cristiana Stan (George Mason University, USA)
        Material: Slides Video
      • 09:45 Does the Cannary Current Upwelling System Play a Role in Connecting the NAO to Variability in the Position of the Atlantic ITCZ? 30'
        Speaker: Josefina Moraes Arraut (University Campina Grande, Brazil)
        Material: Video
      • 10:15 coffee break and poster session part 2 2h15'
      • 12:30 lunch break 1h30' ( AGH )
      • 14:00 Lab Sessions 1h30' ( Adriatico Guest House - Informatics Laboratory )
      • 15:30 coffee break 30'
      • 16:00 Lab Sessions 1h0'
      • 19:30 reception dinner 2h0' ( AGH )
  • Friday, 20 October 2017
    • 09:00 - 17:00
      • 09:00 Influence of extratropical disturbances on the Atlantic Intertropical Convergence Zone 45'
        Speaker: Ana Carolina Nóbile Tomaziello (University of Sao Paulo, Brazil)
        Material: Slides Video
      • 09:45 Fidelity of state-of-the-art models in simulating the observed teleconnection between the Tropical South Atlantic and ISMR 30'
        Speaker: Kumar Manish Joshi (Pusan National University (PNU), Busan, Republic of Korea)
        Material: Slides Video
      • 10:15 coffee break 30' ( AGH )
      • 10:45 Influence of the midlatitudes in southeastern South America rainfall and circulation on intraseasonal timescales 45'
        Speaker: Mariano Alvarez (University of Buenos Aires, Argentina)
        Material: Slides Video
      • 11:30 Long and short time scales of intraseasonal variability in South America 45'
        Speaker: Mariano Alvarez (University of Buenos Aires, Argentina)
        Material: Slides Video
      • 12:15 Discussion 15'
      • 12:30 lunch break 1h30'
      • 14:00 Lab Sessions 1h30'
      • 15:30 coffee break 30'
      • 16:00 Lab Sessions 1h0'
  • Monday, 23 October 2017
    • 08:30 - 21:30
      • 08:30 Registration and payment formalities: Registration at venue - ATTENTION ONLY for ALL Faculty and for those participants who are NOT staying in the ICTP Guest Houses- Paid participants registered already at the guest house receptions could go DIRECTLY (with passport!) 1st to Operations office FERMI Building: Monday, Tuesday, Friday 8:30-12:00 and 13:30 - 14:30 and 2nd to UNICREDIT BANK branch on ICTP campus, Fermi Building, open only on Mondays and Fridays 8:20 to 13:20 and from 14:30 to 16:00 1h0'
      • 09:30 Interim Reports on Lab Projects: Discussion 1h0'
      • 10:30 coffee break 30'
      • 11:00 Interim Reports on Lab Projects: Discussion 1h30'
      • 12:30 lunch break 1h30' ( AGH )
      • 14:00 Lab Sessions 1h30'
        Material: Slides
      • 15:30 coffee break 30'
      • 16:00 Lab Session 1h0'
        Material: Slides
  • Tuesday, 24 October 2017
    • 09:00 - 17:00
      • 09:00 Intraseasonal Impacts of the Extratropics on Extreme Rainfall Events 45'
        Speaker: Angel Munoz (Princeton Un., USA)
        Material: Slides Video
      • 09:45 Weather Typing as a potential tool for tropical-extratropical interactions 45'
        Speaker: Angel Munoz (Princeton Un., USA)
        Material: Slides
      • 10:30 coffee break 45' ( AGH )
      • 11:15 Circulation Regimes as a way of understanding tropical-extratropical interactions 45'
        Speaker: Franco Molteni (ECMWF)
        Material: Slides Video
      • 12:00 Discussion 30'
      • 12:30 lunch break 1h30'
      • 14:00 Lab Sessions 1h30'
      • 15:30 coffee break 30' ( AGH )
      • 16:00 Lab Sessions 1h0'
  • Wednesday, 25 October 2017
    • 09:30 - 17:00
      • 09:30 Sub-seasonal variability and teleconnections in ECMWF ensemble predictions and historical multi-decadal runs for the PRIMAVERA project 45'
        Speaker: Franco Molteni (ECMWF)
        Material: Slides Video
      • 10:15 Wintertime ENSO impact on spring European climate 30'
        Speaker: Ivana Herceg Bulic (Un. of Zagreb, Croatia)
        Material: Slides Video
      • 10:45 coffee break 45' ( AGH )
      • 11:30 Multidecadal changes in the relationship of storm frequency over Euro-Mediterranean region and ENSO during boreal winter 30'
        Speaker: Kamil Shahzad (King Abdulaziz University, Saudi Arabia)
        Material: Slides Video
      • 12:00 The link between the tropical precipitation and Hadley circulation: comparing ECMWF reanalysis ERA-20C and ERA-Interim to the AMIP-like experiment ERA-20CM 30'
        Speaker: Ascanio Scambiati (Un. Salento, Italy)
        Material: Slides Video
      • 12:30 lunch break 1h30' ( AGH )
      • 14:00 Lab Sessions 1h30'
      • 15:30 coffee break 30'
      • 16:00 Lab Sessions 1h0'
  • Thursday, 26 October 2017
    • 09:30 - 17:00
      • 09:30 How far in advance can we predict changes in the large scale flow over the Euro-Atlantic sector? 45'
        Speaker: Laura Ferranti (ECMWF)
        Material: Slides Video
      • 10:15 Influence of the Southern Annular Modes on East Asian climate 30'
        Speaker: Fei Zheng (IAP, China)
        Material: Slides Video
      • 10:45 coffee break 45'
      • 11:30 Madden Julian Oscillation, North Atlantic Oscillation, Mediterranean Oscillation and precipitation in Morocco 30'
        Speaker: Noureddine Semane (EHTP, Morocco)
        Material: Slides Video
      • 12:00 Reasons for S2S skill improvements 30'
        Speaker: Adrian Tompkins (ICTP)
        Material: Video
      • 12:30 lunch break 1h30'
      • 14:00 Lab Sessions 1h30'
      • 15:30 coffee break 30'
      • 16:00 Lab Sessions 1h0'
  • Friday, 27 October 2017
    • 09:30 - 12:00
      • 09:30 Final Reports on Lab Sesssions and Closing Ceremony 1h0'
        Material: Slides
      • 10:30 coffee break 30'
      • 11:00 Final Reports on Lab Sesssions and Closing Ceremony 1h0'