Fifth WMO Workshop on the Impact of Various Observing Systems on Numerical Weather Prediction (Sedona, Arizona, USA, 22 -25 May 2012)

1a (1)	Uncertainty in operational atmospheric analyses and reanalyses Rolf Langland, Naval Research Laboratory
1a (2)	Observing System Experiments using the NCEP Global Data Assimilation System James Jung, NOAA
1a (3)	Impact studies with satellite observations at the Met Office John Eyre, Met Office
1a (4)	Impact of satellite and conventional observations on the performance of the ECMWF data assimilation system by Observing System Experiments Erik Andersson, ECMWF
1a (5)	Global impact studies at the German Weather Service and Regional impact studies at the German Weather Service (DWD) Alexander Cress, DWD
1a (6)	The Impact of Satellite Atmospheric Motion Vectors in the U.S. Navy Global Data Assimilation System Nancy Baker, NRL

Tuesday, 22 May 2012, afternoon
Session 1b - Co-chairs: Florence Rabier and Ron Gelaro

1b (1)	The new NWP system at KMA and some preliminary results of sensitivity test to observational data Yong-Sang Kim, KMA
1b (2)	Use and impact of GPS radio occultation data in GRAPES Yan Liu, China Meteorological Administration
1b (3)	Data impact studies in the global NWP model at Meteo-France Patrick Moll, Météo-France
1b (4)	Impact of observations in the Southern Polar area during the Concordiasi field experiment Florence Rabier, Météo-France
1b (5)	Assessing the benefits of assimilating GPS RO profiles into Global Numerical Weather Prediction Models Lidia Cucurull, NOAA
1b (6)	GNSS radio occultation measurements: Current status and future perspectives Sean Healy, ECMWF
1b (7)	Observation impact estimates using the NCEP GFS/EnKF Yoichiro Ota, NCEP

Session 2
Regional Forecast Impact Studies

Wednesday, 23 May 2012, morning
Session 2a - Co-chairs: John Eyre and Yoshiako Sato

2a (1)	Impact of upper-air and near-surface observations on short-range forecasts from an hourly assimilation cycle (RUC and Rapid Refresh) Stan Benjamin, NOAA
2a (2)	Global and regional impact studies at JMA Yoshiaki Sato, Japan Meteorological Agency
2a (3)	Marginal benefit of higher resolution analysis and mesoscale observing networks in the UK Met Office operational convective scale model Dale Barker, Met Office
2a (4)	Monitoring the observation impact with Taiwan Central Weather Bureau operational analysis/forecast system Xiang-Yu Huang, UCAR
2a (5)	Regional aspects of a European upper-air network redesign study: results obtained with the ALADIN limited-area model at the Hungarian Meteorological Service Gergely Bölöni, Hungarian Meteorological Service
2a (6)	Operational use of high resolution observations for very short term numerical forecasting Siebren de Haan, KNMI
2a (7)	Impact of different observation types in the HIRLAM/ALADINLACE regional weather forecasting models Roger Randriamampianina, Hungarian Meteorological Service

Wednesday, 23 May 2012, afternoon
Session 2b - Co-chairs: John Eyre and Yoshiako Sato

2b (1)	Evaluation of data impact in the mesoscale AROME 3D-Var system at Météo-France Jean-François Mahfouf, Météo-France/ CRNS, CNRM/GAME, GMAP
2b (2)	Observing system impact studies in ACCESS Chris Tingwell, Centre for Australian Weather and Climate Research
2b (3)	Impact of AMDAR aircraft observations Ralph Petersen, University of Wisconsin
2b (4)	The role of assimilating satellite data over South America using LETKF José Antonio Aravéquia, INPE/CPTEC

Session 3
Specific Scientific Areas (including Network Design)

Wednesday, 23 May 2012, evening
Session 3a - Co-chairs: Carla Cardinali and Lars-Peter Riishojgaard

3a (1)	Targeted observations for improving Numerical Weather Prediction: An overview Sharan Majumdar, Rosenstiel School of Marine and Atmospheric Science, University of Miami
3a (2)	Observation target regisions for improving NWP tropical cyclone motion forecasts: Comparison of objective sensitivity-targeting techniques Brett Hoover, University of Wisconsin

Thursday, 24 May 2012, morning
Session 3b - Co-chairs: Carla Cardinali and Lars-Peter Riishojgaard

3b (1)	The impact of T-PARC special observations on typhoon track and mid-latitutde forecasts Martin Weissmann, Ludwig-Maximilians Universität
3b (2)	Adjoint-based impact studies of surface-based observation types at the Met Office Richard Marriott, Met Office
3b (3)	Satellite impact to short-range global forecast using the adjoint-based sensitivity method Sangwon Joo, Korea Meteorological Administration
3b (4)	Estimation of linear observation impact and its applications Toshiuki Ishibashi, Japan Meteorological Agency
3b (5)	Use of DFS to estimate observation impact in numerical weather prediction. Comparison of observation impact derived from OSEs and DFS results Cristina Lupu, ECMWF
3b (6)	The Impact of Satellite Atmospheric Motion Vectors in the GMAO GEOS-5 Global Data Assimilation System Ron Gelaro, NASA/GMAO
3b (7)	Monitoring the observations performance in the forecast Carla Cardinali, ECMWF
3b (8)	The use of observation impact estimates to validate an OSSE Ronald M. Errico, NASA
3b (9)	On the role of NWP impact studies to support the evolution and development of current and future satellite programmes Johannes Schmetz, EUMETSAT

Thursday, 24 May 2012, afternoon
Session 3b - Co-chairs: Carla Cardinali and Lars-Peter Riishojgaard

3c (1)	Observation system simulation experiments for the PREMIER mission Yves Rochon, Environment Canada
3c (2)	Assimilation impact from satellite wind observations filling the gap at high latitudes Louis Garand, Environment Canada
3c (3)	Opportunities and challenges in designing a reference upper-air network in support of NWP Junghong Wang, National Center for Atmospheric Research (NCAR)
3c (4)	Update on observation impact studies coordinated by EUCOS and plans for future studies Stefan Klink, DWD
3c (5)	Satellite winds Jaime Daniels, NOAA

Session 4
Workshop Conclusions

Friday, 25 May 2012, morning
Session 4 -

Workshop Summary and Conclusions

Note: Associated to this workshop, a Data Buoy Cooperation Panel (DBCP) workshop in the impact of sea level pressure observations from drifters was also organized in Sedona on 21 May 2012. The presentations made at the DBCP workshop, and the workshop's report are available from here.

Fifth WMO Workshop on the Impact of Various Observing Systems on Numerical Weather Prediction (Sedona, Arizona, USA, 22 -25 May 2012)

Fifth WMO Workshop on the Impact of Various Observing Systems on Numerical Weather Prediction

Sedona, Arizona (USA) 22 -25 May 2012

Fifth WMO Workshop on the
Impact of Various Observing Systems on Numerical Weather Prediction

Sedona, Arizona (USA)
22 -25 May 2012