WORLD METEOROLOGICAL ORGANIZATION
 Weather  Climate  Water

Third WMO Workshop on the
Impact of Various Observing Systems on NWP
Alpbach, Austria
9-12 March 2004
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Nov 2004

 
Opening
Welcome and Opening Remarks
      Session 1

Global Forecast Impact Studies (1a, 1b, 1c)
Summary (1d)
      Session 2

Regional Aspects of Impact Studies (2a, 2b)
Summary (2c)
      Session 3

Observation Targeting Studies and
Observation Network Design Studies (3a, 3b)
Summary (3c)
      Session 4

Workshop Summary and Conclusions  (pdf)

Workshop Proceedings 
Group photo photo of Alpbach
Please note, all files are in PDF version.
         

Welcome and Opening Remarks
         
Tuesday 9 March 2004, morning
            Opening
1. Welcome   (pdf)   (Word) 
Jean Pailleux (Meteo France)

20 kb
2. GOS evaluations within ET-ODRRGOS (11)
Paul Menzel (NOAA/NESDIS)		 283 kb
3. Opening Remarks from a CGC/COSNA perspective   (pdf)   (Word)
Gerhard Steinhorst (Deutscher Wetterdienst)

20 kb
4. Major conclusions from the Toulouse NWP OSE Workshop (7)
Horst Boettger (ECMWF)		 45 kb
5. Atmospheric predictability and data assimilation (19)
Martin Ehrendorfer (University of Innsbruck)		 1,75 MB
         

Session 1
Global Forecast Impact Studies
         
Tuesday 9 March 2004, morning
            Session 1a - Chairman : Martin Ehrendorfer 
1a (1) Impact studies of main types of conventional and satellite humidity data (44)
Erik Anderson (ECMWF)

5,03 MB
1a (2) Global and regional impact studies at Deutscher Wetterdienst (30)
Alexander Cress (Deutscher Wetterdienst)		 597 kb
1a (3) Observing System Experiments with NCEP's Global Forecast System (56)
Steve Lord (EMC)

913 kb
1a (4) OSEs of all main data types in the ECMWF operational system (49)
Graeme Kelly (ECMWF)		 3,5 MB
1a (5) OSEs using the Met Office operational global model (30)
Richard Dumelow (Met Office)		 427 kb
         
Tuesday 9 March 2004, afternoon
            Session 1b - Chairman : Jim Purdom 
1b (1) Data impact studies with the GMAO system (28)
Lars Peter Riishojgaard (NASA GMAO)

502 kb
1b (2) Surface data impact studies (44)
Jean-Noël Thépaut (ECMWF) 		 1,05 MB
1b (3) Data impact studies in the CMC global NWP system (40)
Gilles Verner (CMC)

2,12 MB
1b (4) Impact studies performed with the global ARPEGE NWP system (46)
Jean Pailleux (Météo-France) 		 2,46 MB
1b (5) Satellite data OSESs (27)
Steve English (Met Office)		 1,26 MB
1b (6) Impact of various observing systems on the BMRC NWP systems (23)
Peter Steinle (BMRC)		 3,70 MB
         
Wednesday 10 March 2004, morning
            Session 1c - Chairman : Steve English
1c (1) Impact of research satellite observations in a data assimilation system for the troposphere and stratosphere (42)
William Lahoz (DARC)

1,31 MB
1c (2) Recent OSE studies with the revised CMC 3D-Var system in hybrid coordinates with lid at 0.1hPa (33)
Clément Chouinard (CMC)		 1,0 MB
1c (3) Estimation of observation sensitivity using the NAVDAS Adjoint System (26)
Ron Errico (GMAO)

1,68 MB
         
Wednesday 10 March 2004, morning
            Session 1d - Chairmen : Jean-Noël Thépaut and Lars Peter Riishojgaard
1d Summary and discussions of Session 1
      

n/a
         

Session 2
Regional Aspects of Impact Studies
         
Wednesday 10 March 2004, afternoon
            Session 2a - Chairman : Johannes Schmetz 
2a (1) Observation system experiments using JMA meso 4D-Var (41)
Ko Koizumi (JMA) 

1.17 MB
2a (2) Data denial experiments with the Rapid Update Cycle (RUC) with RAOB, aircraft, profiler, GOES, and surface data; a RUC-based OSSE for a space-based, wind-finding lidar (50)
Stan Benjamin (NOAA/FSL) 		 1,80 MB
2a (3) Observation impact studies with HIRLAM (47)
Per Unden (SMHI/HIRLAM)

2,50 MB
2a (4) Impacts of non-conventional observing systems on regional NWP (27)
Jean Quiby (Meteo Swiss) 		 2,26 MB
2a (5) Use and impact of satellite and radiosonde data: some case studies performed with GRAPES_3DVAR in China (33)
Dehui Chen (CMA) 		 1,84 MB
2a (6) Impact of AMDAR data in regional Eta model forecasts over South Africa (60)
Hilarie Riphagen (SAWS, South Africa) 		 1,23 MB
2a (7) Four season impact study of RAOB, GOES and POES data in EDAS (46)
Paul Menzel (NESDIS/CIMSS) 		 990 kb
         
Thursday 11 March 2004, morning
            Session 2b - Chairman : Ko Koizumi 
2b (1) Impact studies performed with the LAM system ALADIN (35)
Yong Wang (ZAMG) 

1,67 MB
2b (2) Observation impact on data assimilation with dynamic background error formulation (14)
Alexander Beck (University of Vienna)		 475 kb
         
Thursday 11 March 2004, morning
            Session 2c - Chairmen : Stan Benjamin and Per Unden
2c Summary and discussions of Session 2
      

n/a
         

Session 3
Observation Targetting Studies and
Observation Network Design Studies
         
Thursday 11 March 2004, morning
            Session 3a - Chairman : Herbert Puempel 
3a (1) Summary of past and current efforts on targeted observations (28)
Richard Hodur (NRL) 

1,63 MB
3a (2) Evolution of the EUCOS operational programme and experiences from the THORPEX Atlantic TOST (47)
Jim Caughey (EUCOS) 		 815 kb
3a (3) Overall contribution of Meteosat and MSG satellites to observing systems at global and regional scale (33)
Johannes Schmetz (EUMETSAT) 

2,03 MB
         
Thursday 11 March 2004, afternoon
            Session 3b - Chairman : Alexander Karpov
3b (1) Optimal design on the sonde network in Siberia (42)
Oleg Pokrovsky (MGO, Russia) 

1,62 MB
3b (2) The global AMDAR system (35)     (Revised 10 May 2004) 
Jeff Stickland (AMDAR Panel) 		 1,14 MB
3b (3) Impact of AMDAR data on Numerical Prediction Models (49)
Ralph Petersen (CIMSS/EMC) 

590 kb
3b (4) Increasing the NWP impact of AIRS data (42)
Mitch Goldberg (NESDIX/ORA) 		 6,12 MB
3b (5) Towards an adaptive observing system (7)
Claude Pastre (WMO/WWW Consultant) 

10 kb
         
Thursday 11 March 2004, afternoon
            Session 3c - Chairmen : Steve Lord and Jim Caughey
3c Summary and discussions of Session 3
      

n/a
         

Session 4
Workshop Conclusions
         
Friday 12 March 2004, morning
            Session 4 - Chairmen : Horst Boettger and Jean Pailleux
4 Workshop Summary and Conclusions  (MS-Word)
Horst Boettger, 10 May 2004.

Workshop Proceedings

280 kb
 

8.60 MB
         
         

Web Editor Sary Vargas, 30 March 2004