ICM-14, La Réunion, 2022

14th Implementation and Coordination Meeting, La Réunion (FR), 28 November to 2 December 2022

Information about ICM-14

Location

La Réunion (& Virtual)

Date

28th November - 2nd December 2022

Hosts

ICM-14 will be organized as a hybrid meeting 28 November - 2 December. The meeting is kindly hosted by the Université de La Réunion in Saint Denis, Reunion Island,  but it is also possible to participate by video connection. The meeting venue is on the university campus.

Organizers

  • Ruud Dirksen (GRUAN Lead Centre, DWD)
  • Peter Thorne (WG Co-Chair, Maynooth University)
  • David Smyth (Maynooth University)
  • Caterina Tassone (GCOS)
  • Tim Oakley (GCOS)
  • Howard Diamond (NOAA GCOS office)
  • June Wang (WG Co-Chair, SUNY)
  • Marion Maturilli (AWI)
  • Dale Hurst (NOAA ESRL)
  • Jerome Brioude (LACy)
  • Joel van Baelen (LACy)
  • Stephanie Evan (LACy)

Documentation

  • Local logistics (pdf)
  • GRUAN Implementation Plan 2017-2021 (GCOS-205)
  • Report of the GRUAN ICM-13 (GCOS-242)

Map

Agenda of ICM-14

Status as of 2022-11-21

Monday 28 November

Chair: Peter Thorne

Registration from 08:30 to 09:00 RET

Session 1 - Welcome

09:00 - 10:30 RET / 05:00 - 06:30 UTC

Times in RET    
09:00 - 09:10 Welcome June Wang
09:10 - 09:20 Meeting logistics Local host
09:20 - 09:30 Official opening Host
09:30 - 09:45 La Reunion, a knowledge center for island resilience Philippe Holstein
09:45 - 10:00 Opening Statement – GCOS/WMO WMO (Remote)
10:00 - 10:15 GRUAN – Why are we here Ruud Dirksen
10:15 - 10:30 Sites certification presentations: Ross Island and Barrow Peter Thorne & June Wang

Morning break from 10:30 to 11:00 RET

Session 2 - Review of progress

11:00 - 12:30 RET / 07:00 - 08:30 UTC

Times in RET    
11:00 - 11:30 GRUAN LC Updates Ruud Dirksen
11:30 - 11:45 GDP status (table) Ruud Dirksen
11:45 - 12:15 Review of actions from ICM-13 Peter Thorne
12:15 - 12:30 RS41 GRUAN Data Product Version 1 (RS41-GDP.1) (HP2) Michael Sommer

Lunch from 12:30 to 13:30 RET

Session 3 - GRUAN Priorities

13:30 - 15:30 RET / 09:30 - 11:30 UTC

Times in RET    
13:30 - 14:55 R23 and its replacement (HP5)
  • Current status for stations
  • Overview of potential replacements
  • Discussions and agreed plans
  • With contributions of
    • Christian Rolf - The development of a liquid N2 container for the CFH (remote),
    • Frank Wienhold - PCFH,
    • Takuji Sugidachi - Skydew,
    • Holger Vömel - CFH
GRUAN Lead Centre leads
14:55 - 15:10 Meisei GDP (HP3) JMA/Meisei
15:10 - 15:30 Modem GDPs
  • M10 GDP (HP4) (10 min)
  • Development of M20 Data product (D4) (5min)
  • Discussion (5min)
Antoine Farah

Afternoon break from 15:30 to 16:00 RET

Session 4 - Operational matters

16:00 - 16:30 RET / 12:00 - 12:30 UTC

Times in RET    
16:00 - 16:15 Parallel soundings database augmentation with ancillary data (A1) David Smyth
16:15 - 16:30 Standard Humidity Chamber (C5) Michael Sommer

Keynote forum 1 - Vision and Plans

16:30 - 17:30 RET / 12:30 - 13:30 UTC

Vision and Plans (GRUAN vision, GRUAN IP, GCOS Vision & IP, EGOS IP)

  • GCOS IP – Caterina Tassone & Tim Oakley (10 min)
  • GRUAN IP – June Wang (10 min)
  • Open discussion (40 min)

Tuesday 29 November

Session 5 - Site visit: The Maïdo Observatory

The site visit will be at the high-altitude Maïdo Observatory, 2-hour by bus from downtown Saint-Denis. On this day, we will celebrate the 10-year anniversary of the Observatory and the reclassification of La Réunion to Global GAW station (it was previously a regional station).

Times in RET    
07:00 Bus departs from Saint-Denis, near Hôtel de ville (walking distance from all hotels)  
09:30 - 10:00 Coffee break  
10:00 - 10:30 Official addresses (5 min per person)
  • Joël Van Baelen - Head of LACy
  • Jean-Pierre Cammas - Head of OSU-Réunion
  • Frédéric Miranville - Head of University of Reunion
  • Paolo Laj - Chair of the GAW Scientific Advisory Group for Aerosols
  • Huguette Bello - President of the regional council of Réunion
 
10:30 - 11:00 Official Ceremony, Global GAW certificate presentation
  • Nicolas Arnaud (10min), CNRS-INSU
  • Caterina Tassone (10min), WMO
 
11:00 - 12:30 Visit of the observatory  
12:30 - 14:00 Lunch, 10-year anniversary of the observatory  
14:00 Bus departs the Maïdo Observatory for Hotel Boucan Canot.  

Session 5 - Site visit: Local presentations and conference dinner

Times in RET    
15:30 - 15:45 Unprecedented injection of water vapor into the stratosphere by the eruption of Hunga Tonga-Hunga Ha'apai Holger Vömel
15:45 - 16:00 Rapid ozone loss following humidification of the stratosphere by the Hunga-Tonga Stephanie Evan
16:00 - 16:15 Early Evolution of the Hunga-Tonga Stratospheric Aerosol Plume observed by Lidar at La Réunion Valentin Duflot
16:15 - 16:30 The Hunga-Tonga eruption impacts on the stratosphere Karen Rosenlof
16:30 - 16:45 An overview of research activities at LACy Joel Van Baelen
16:45 - 17:00 How to collaborate with La Reunion's Research and Innovation stakeholders? Overview of forthcoming Horizon Europe calls for projects Evelyne Tarnus
17:00 - 19:00 Free time (hotel Boucan Canot is located near the Boucan Canot beach)  
19:00 - 21:00 Diner Cocktail  
21:30 Bus departs Hotel Boucan Canot for downtown Saint-Denis  

Wednesday 30 November

Chair: Ruud Dirksen

Session 6 - Science and Innovation (part 1)

09:00 - 10:40 RET / 05:00 - 06:40 UTC

Times in RET    
09:00 - 09:20 The impact analysis of NWS migration to Vaisala RS41 Tony Reale
09:20 - 09:40 Sequential radiosonde launches and their use in satellite data calibration/validation Bomin Sun
09:40 - 10:00 Options for radiosonde launches with EUMETSAT Metop and Metop-SG overpasses Axel von Engeln
10:00 - 10:20 Fine detailed fitting of observed IASI radiances to calculated ones using GRUAN sondes and radiative transfer modelling water vapor inhomogeneities within the satellite field of view. Xavier Calbet
10:20 - 10:40 The Faa site - update Patrick Jann

Morning break from 10:40 to 11:15 RET

Session 6 - Science and Innovation (part 1) - continued

11:15 - 12:30 RET / 07:15 - 08:30 UTC

Times in RET    
11:15 - 11:35 On the uncertainty of RS41 missing data interpolation Alessandro Fasso
11:35 - 11:55 The GDP for the multidisciplinary drifting observatory for the study of arctic climate (MOSAiC) Marion Maturilli
11:55 - 12:15 Improvement of temperature and humidity data quality from RALMO, validation of the uncertainty budget and advanced experiments towards operational simulation Gianni Martucci
12:15 - 12:30 Discussion  

Lunch from 12:30 to 13:30 RET

Session 7 - Task Team Reports

13:30 - 15:30 RET / 09:30 - 11:30 UTC

Times in RET    
13:30 - 13:50 Radiosonde TT
Justification for high ascent attainment (C7)
Masatomo Fujiwara
13:50 - 14:10 Sites TT Marion Maturilli
14:10 - 14:30 Scheduling TT
Uncertainty terminology and presentation in GRUAN products (C4)
Fabio Madonna & Tom Gardiner
14:30 - 14:50 Ground-based TT Domenico Cimini
14:50 - 15:10 GNSS-PW TT Kalev Rannat
15:10 - 15:30 Satellite TT
Satellite data collocations with RS92/41 pairs (A2)
Lori Borg & Axel von Engeln

Afternoon break from 15:30 to 16:00 RET

Keynote forum 2 - GRUAN evolution

16:00 - 17:30 RET / 12:00 - 13:30 UTC

GRUAN evolution (Sites, data products and collaboration)

  • View by Task Team Sites – Marion Maturilli (10 min)
  • View by Lead Center – Ruud Dirksen (10 min)
  • GRUAN-GSRN Connections – Tim Oakley & Caterina Tassone (10 min)
  • Open discussion (60 min)

Thursday 01 December

Chair: June Wang

Breakout sessions

09:00 - 10:45 RET / 05:00 - 06:45 UTC

Breakout sessions, themes to be determined (in person)

  1. Exchange on technical issues at the sites (Chaired by TT-sites chairs)

Morning break from 10:45 to 11:15 RET

Breakout sessions - continued

11:15 - 12:30 RET / 07:15 - 08:30 UTC

1 slide to report back to plenary

Lunch from 12:30 to 13:30 RET

Session 8 - Science and Innovation (part 2)

13:30 - 15:30 RET / 09:30 - 11:30 UTC

Times in RET    
13:30 - 13:50 2024 water vapor instrument intercomparison at European Southern Observatory (ESO) site in Paranal, Chile Florian Kerber (remote)
13:50 - 14:10 Direct validation of radiosonde data against radio occultation bending angles Axel von Engeln
14:10 - 14:30 Empirical estimation of uncertainty in radiosondes, radio occultations and model forecast with the Three Corned Hats method Jo Nielsen (remote)
14:30 - 14:50 Calibration of radiosonde humidity sensors using upper air simulator and applications to soundings Sang-Wook Lee
14:50 - 15:10 Combining the RS41 with CFH’s Golden Points for reference quality humidity retrievals and latest progress with PCFH Yann Poltera
15:10 - 15:30 Experiments and analysis for determining the timelag of the RH sensor Christoph von Rohden

Afternoon break from 15:30 to 16:00 RET

Keynote forum 3 - WMO Radiosonde Intercomparison

16:00 - 17:30 RET / 12:00 - 13:30 UTC

WMO 2022 Upper-Air Instrument Intercomparison Campaign (UAII2022)

  • Overview of the intercomparison – Ruud Dirksen (15 min)
  • Life in a multi-GDP World: the UAII 2022 perspective – Frederic Vogt (15 min)
  • View of the intercomparison from the manufactures
  • Open discussion

Visit to the Meteo France site starts at 17:30 RET

Friday 02 December

Chair: Marion Maturilli

Session 9 - GRUAN Data Products

09:00 - 10:45 RET / 05:00 - 06:45 UTC

Times in RET    
09:00 - 09:10 LIDAR GDP progression (B2) Thierry Leblanc (remote)
09:10 - 09:30 Microwave Radiometer GDP (B1) Nico Cimini
09:30 - 09:50 Frostpoint Hygrometer GDP progression (B3) Ruud Dirksen & Takuji Sugidachi
09:50 - 10:10 Ozonesondes GDP progression (D1) Richard Querel
10:10 - 10:45 Discussion  

Morning break from 10:45 to 11:15 RET

Session 10 - Other ICM-13 actions

11:15 - 12:30 RET / 07:15 - 08:30 UTC

Times in RET    
11:15 - 11:30 Standardizing cloud observations / reporting (C6) Masatomo Fujiwara
11:30 - 11:45 QC/QA flagging and presentation in data files (B4) Tzvetan Simeonov
11:45 - 12:00 GNSS GDP format (C9) Galina Dick
12:00 - 12:15 Metrological closure of GNSS-IWV and radiosondes (C10) Galina Dick
12:15 - 12:30 RS92-RS41 comparison paper (D3) Tzvetan Simeonov

Lunch from 12:30 to 13:30 RET

Session 11 - GRUAN management and governance

13:30 - 14:30 RET / 09:30 - 10:30 UTC

Times in RET    
13:30 - 13:45 Silent stations (C8) Ruud Dirksen
13:45 - 14:00 Data Policy (C3) Ruud Dirksen
14:00 - 14:15 Usage of GRUAN data (C2) Dave Smyth
14:15 - 14:20 Sites photos (C1) Michael Sommer
14:20 - 14:25 Radiosonde fundamental documentation (D2) Christoph von Rohden
14:25 - 14:30 Refresh of presentation materials (D5) Dave Smyth

Session 12 - Closing remarks

14:30 - 15:30 RET / 10:30 - 11:30 UTC

Times in RET    
14:30 - 15:00 Actions Peter Thorne
15:00 - 15:05 ICM-15 Ruud Dirksen
15:05 - 15:25 How to collaborate with La Reunion's Research and Innovation stakeholders? Quick discussion about matchmaking and defining the next steps Evelyne Tarnus
15:25 - 15:30 Formal close June Wang & Peter Thorne

Documents of ICM-14

Status as of 2022-11-23

Package of all documents of GRUAN ICM-14 (zip; 7.5 MiB; as at 2022-11-23)

SessionTitle of DocumentSubmitted byDoc. No.Date
0Local logistics Local host 0.01 2022-10-26
  Agenda Organizers 0.02 2022-11-22
2Lead Centre progress report for November 2022 GRUAN Lead Centre 2.01 2022-11-18
  ICM-13 proposed actions Peter Thorne 2.02 2022-03
5GRUAN Site Report for Alice Springs Andrew Winchester 5.01 2022-09-29
  GRUAN Site Report for Barrow (ARM - NSA) Evan Keeler 5.02 2022-06-25
  GRUAN Site Report for Beltsville GRUAN Lead Centre 5.03 2022-11-15
  GRUAN Site Report for Boulder Dale Hurst 5.04 2022-07-06
  GRUAN Site Report for Cabauw Arnoud Apituley 5.05 2022-11-02
  GRUAN Site Report for Darwin Andrew Winchester 5.06 2022-09-29
  GRUAN Site Report for Dolgoprudny GRUAN Lead Centre 5.07 2022-11-15
  GRUAN Site Report for Davis Andrew Winchester 5.08 2022-09-29
  GRUAN Site Report for Graciosa (ARM - ENA) Evan Keeler 5.09 2022-06-25
  GRUAN Site Report for Neumayer GRUAN Lead Centre 5.10 2022-11-15
  GRUAN Site Report for Hong Kong Wai-hung LEUNG 5.11 2022-06-01
  GRUAN Site Report for Lauder Richard Querel 5.12 2022-06-28
  GRUAN Site Report for Lindenberg Ruud Dirksen 5.13 2022-09-28
  GRUAN Site Report for Macquerie Island Andrew Winchester 5.14 2022-09-29
  GRUAN Site Report for Melbourne Andrew Winchester 5.15 2022-09-29
  GRUAN Site Report for Minamitorishima Junji Hisamitsu 5.16 2022-06-01
  GRUAN Site Report for Ny-Ålesund Marion Maturilli 5.17 2022-08-01
  GRUAN Site Report for Payerne Giovanni Martucci 5.18 2022-08-28
  GRUAN Site Report for Paramaribo Ankie Piters 5.19 2022-10-31
  GRUAN Site Report for Potenza Fabio Madonna 5.20 2022-06-22
  GRUAN Site Report for La Reunion Stephanie Evan 5.21 2022-10-26
  GRUAN Site Report for Ross Island Richard Querel 5.22 2022-06-28
  GRUAN Site Report for Lamont (ARM - SGP) Evan Keeler 5.23 2022-06-25
  GRUAN Site Report for Singapore Wong Shwei Lin 5.24 2022-10-10
  GRUAN Site Report for Sodankylä Rigel Kivi 5.25 2022-11-05
  GRUAN Site Report for Syowa Yutaka Ogawa 5.26 2022-06-01
  GRUAN Site Report for Tateno Hisamitsu Junji 5.27 2022-06-01
  GRUAN Site Report for Tenerife Miguel Hernandez 5.28 2022-09-28
  GRUAN Site Report for Trappes-Palaiseau Jean-Charles Dupont 5.29 2022-11-03
  GRUAN Site Report for Xilinhot GRUAN Lead Centre 5.30 2022-11-15
7Task Team Progress Report for November 2022 – Radiosondes Masatomo Fujiwara, Christoph von Rohden and the team members 7.01 2022-10-20
  Task Team Progress Report for November 2022 – GNSS-PW Jonathan Jones and Kalev Rannat 7.02 2022-11-13
  Task Team Progress Report for November 2022 – Scheduling Tom Gardiner and Fabio Madonna 7.03 2022-11-04
  Task Team Progress Report for November 2022 – Sites Dale Hurst and Marion Maturilli 7.04 2022-10-18
  Task Team Progress Report for November 2022 – Satellite Lori Borg, Axel von Engeln, and task team members 7.05 2022-11-09
  Task Team Progress Report for November 2022 – Ground-Based Domenico Cimini and Thierry Leblanc 7.06 2022-11-21