GCOS Reference Upper-Air Network

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

  • Report of the GRUAN ICM-14 (GCOS-250)
  • Local logistics (pdf)
  • GRUAN Implementation Plan 2017-2021 (GCOS-205)
  • Report of the GRUAN ICM-13 (GCOS-242)

Participants

Map

Agenda of ICM-14

Status as of 2022-12-15

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 Stephanie Evan
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 fundamentals Ruud Dirksen
10:15 - 10:30 Certification of Barrow/North Slope Alaska (BAR) & Ross Island (ROS) 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 Lead Centre report for 2019 - 2022 Ruud Dirksen
11:30 - 11:45 Status of all GDPs under development Ruud Dirksen
11:45 - 12:15 ICM 13 Actions status Peter Thorne
12:15 - 12:30 RS41 GRUAN Data Product Version 1 ( RS41 GDP. 1) 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 - 14:45 R23 and its replacement (HP5) GRUAN Lead Centre leads
14:45 - 15:05 Updates for Meisei GDPs (RS 11G & iMS 100) Takuji Sugidachi
15:05 - 15:30 GRUAN data products of Modem radiosondes
  • M10 Gruan Data Product
  • Preliminary results of M20
Jean-Charles Dupont (remote) & 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

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 Tonga Rapid Response Experiment (TR2Ex) Karen Rosenlof
15:45 - 16:00 Rapid ozone loss following humidification of the stratosphere by the Hunga Tonga Eruption Stephanie Evan
16:00 - 16:15 Injection of unprecedented amounts of water vapor into the stratosphere by the eruption of Hunga Tonga Hunga Ha’apai Holger Vömel
16:15 - 16:30 Early Evolution of the Hunga-Tonga Aerosol Stratospheric Plume from Lidar Observations at La Réunion (21°S, 55°E) Valentin Duflot
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 - 10:45 RET / 05:00 - 06:45 UTC

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

Lunch from 12:35 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
High altitude attainment study progress (C7)
Masatomo Fujiwara
13:50 - 14:10 Sites TT
GRUAN TT Sites
Marion Maturilli
14:10 - 14:30 Scheduling TT
Measurement Scheduling and Combination Task Team Summary & Uncertainty Reporting
Tom Gardiner
14:30 - 14:50 Ground-based TT
The GRUAN Task Team on Ground Based Remote Sensing Measurements (TT GB)
Domenico Cimini
14:50 - 15:10 GNSS-PW TT
GNSS PW Task Team Progress Report for ICM 14
Kalev Rannat
15:10 - 15:30 Satellite TT
TT SAT Task Team Report
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)

Thursday 01 December

Chair: June Wang

Breakout sessions

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

Breakout sessions (in person)

  1. Exchange on technical issues at the sites (Chaired by Marion Maturilli & Richard Querel)
  2. Satellite co-location (Chaired by Lori Borg & Axel von Engeln)
  3. Quality flags, interpolation and uncertainty (Chaired by Tzvetan Simeonov & Tom Gardiner)

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

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)

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 - 09:20 The GRUAN Lidar Product As of Fall 2022 Thierry Leblanc (remote)
09:20 - 09:40 Progress towards a Microwave Radiometer GRUAN Data Product (MWR GDP) Nico Cimini
09:40 - 10:00 Frostpoint hygrometer GDP progression (B3) Ruud Dirksen
10:00 - 10:20 Ozonesondes GDP progression Holger Vömel
10:20 - 10:45 Discussion Tim Oakley

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 Cloud observations Masatomo Fujiwara
11:30 - 11:45 QC/QA flagging ad hoc group progress report (HP3) Tzvetan Simeonov
11:45 - 12:15 GNSS PW GDP FORMATS AND METROLOGICAL CLOSURE WITH RADIOSONDES Galina Dick
12:15 - 12:30 RS41 / RS92 GRUAN Data Products Comparison (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 sites (C8) Ruud Dirksen
13:45 - 14:00 Data policy C3) Ruud Dirksen
14:00 - 14:15 Refresh of presentation material Dave Smyth
14:15 - 14:20 Site photos (C1) evolution to site diary Michael Sommer
14:20 - 14:30 GRUAN Radiosonde Fundamental Document Christoph von Rohden

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 - 15:30 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