4th International Symposium on Data Assimilation

2/23 (Mon) | 2/24 (Tue) | 2/25 (Wed) | 2/26 (Thu) | Poster Session

Monday, February 23, 2015

9:15-	Registration
9:45-9:50	Opening

[Session 1] Keynote and AICS / Chair: James Carton (U of Maryland, USA)

9:50-10:50 Keynote	[1-1] New applications of data assimilation: model and observation improvements and flux estimations Eugenia Kalnay (U of Maryland, USA)
10:50-11:40 Special	[1-2] "Big Data Assimilation" Revolutionizing Severe Weather Forecasting Takemasa Miyoshi (RIKEN, Japan)

11:40-11:50	Group Photo
11:50-13:10	Lunch

[Session 2] Big Data Assimilation / Chair: Takemasa Miyoshi (RIKEN, Japan)

13:10-13:30 Special	[2-1] Requirement of simulation code for big data assimilation Hirofumi Tomita (RIKEN, Japan)
13:30-13:50 Special	[2-2] Overview of Phased Array Radar System -Concept, Design and Future- Tomoo Ushio (Osaka U, Japan)
13:50-14:10 Special	[2-3] Three-dimensional rainfall structure measured in 30 seconds by phased array weather radar Shinsuke Satoh (NICT, Japan)
14:10-14:30 Special	[2-4] Status of Next Generation Japanese Geostationary Meteorological Satellites Himawari-8 and its Applications Kotaro Bessho (Meteorological Satellite Center, Japan)
14:30-14:50 Special	[2-5] Design Consideration for Data Assimilation in Post K Supercomputer Yutaka Ishikawa (RIKEN, Japan)

14:50-16:20

Poster Session (odd numbers)

[Session 3] Convective Scale Data Assimilation I / Chair: Martin Weissmann (LMU, Germany)

16:20-17:10 Invited	[3-1] Linear transforms and averaging for data assimilation in systems with a range of scales Chris Snyder (NCAR, USA)
17:10-17:30	[3-2] Climatological Structure Functions in HARMONIE Data Assimilation Jelena Bojarova (Norwegian Meteorological Institute, Norway)
17:30-17:50	[3-3] Covariance modelling developments for convective-scale data assimilation at the Met Office Gordon Inverarity (Met Office, UK)

- End of Day 1 -

Tuesday, February 24, 2015

9:15-

Registration

[Session 4] Convective Scale Data Assimilation II / Chair: Shu-Chih Yang (National Central U, Taiwan / RIKEN, Japan)

9:30-10:20 Invited	[4-1] Super High-Resolution Mesoscale NWP with the K-computer Kazuo Saito (Meteorological Research Institute, Japan)
10:20-10:40	[4-2] Experience with Kilometer Scale Ensemble Data Assimilation for the COSMO Model (KENDA) Hendrik Reich (DWD, Germany)
10:40-11:00	[4-3] Development and test of a 4D-Var assimilation for the convective-scale model AROME-France. Pierre Brousseau (Meteo-France/CNRS, France)
11:00-11:20	[4-4] Preliminary test of an EnVar for the operational AROME-France NWP system at convective scale Thibaut Montmerle (Meteo-France/CNRS, France)
11:20-11:40	[4-5] Observation system experiments using summer intensive upper-air observation for Changma rainfall events of South Korea during ProbeX-2014 Hee-Wook Choi (National Institute of Meteorological Research, Korea)
11:40-12:00	[4-6] WRF-LETKF application for flood forecasting on Kyushu torrential rainfall Tomoki Ushiyama (Public Works Research Institute, Japan)

12:00-13:00

Lunch

[Session 5] Global Data Assimilation / Chair: Chris Snyder (National Center for Atmospheric Research, USA)

13:00-13:50 Invited	[5-1] The 20th Century Reanalysis Version 3 Ensemble Data Assimilation System Jeffrey Whitaker (NOAA, USA)
13:50-14:10	[5-2] Global Ensemble Data Assimilation for ICON Ana Fernandez del Rio (DWD, Germany)
14:10-14:30	[5-3] Trials of the Met Office 4DEnVar system Adam Clayton (Met Office, UK)

14:30-16:00

Poster Session (even numbers)

[Session 6] Hybrid Variational and EnKF Methods / Chair: Mark Buehner (Environment Canada, Canada)

16:00-16:50 Invited	[6-1] Variational and EnKF assimilation systems at ECMWF Massimo Bonavita (ECMWF, UK)
16:50-17:10	[6-2] Hybrid Data Assimilation Methods on a Modified Shallow Water Model Michael Goodliff (U of Reading, UK)
17:10-17:30	[6-3] Ensemble inflation in hybrid data assimilation Amal El Akkraoui (NASA, USA)
17:30-17:50	[6-4] A meso Hybrid EnKF-4DVAR system based on the JMA nonhydrostatic model Kosuke Ito (U of the Ryukyus, Japan)

- End of Day 2 -

Wednesday, February 25, 2015

9:15-

Registration

[Session 7] Advanced Methods / Chair: Ji-Sun Kang (KIAPS, Korea)

9:30-10:20 Invited	[7-1] On Ensemble and Particle Filters for Numerical Weather Prediction Roland Potthast (DWD, Germany)
10:20-10:40	[7-2] A targeted implicit particle filter Javier Amezcua (U of Reading, UK)
10:40-11:00	[7-3] A practical quadratic ensemble filter Le Duc (JAMSTEC, Japan)
11:00-11:20	[7-4] Parameterisation Estimation using Data Assimilation Matthew Lang (U of Reading, UK)
11:20-12:10 Invited	[7-5] Ensemble Singular Vectors and its application in the EnKF Shu-Chih Yang (National Central U, Taiwan / RIKEN, Japan)

12:10-13:10

Lunch

[Session 8] Localization Methods / Chair: Jeffrey Whitaker (NOAA, USA)

13:10-14:00 Invited	[8-1] Scale-dependent ensemble covariance localization for EnVar data assimilation Mark Buehner (Environment Canada, Canada)
14:00-14:20	[8-2] Objective localization of ensemble covariances: theory and applications Yann Michel (Meteo-France, France)
14:20-14:40	[8-3] Vertical localization strategies for radiance data assimilation within LETKF Ji-Sun Kang (KIAPS, Korea)
14:40-15:00	[8-4] Multi Scale VarEnKF Localisation using Wavelets Andreas Rhodin (DWD, Germany)

15:00-15:30

Break and K Computer Tour

[Session 9] Broader Applications / Chair: Kazuo Saito (MRI, Japan)

15:30-16:20 Invited	[9-1] Data assimilation for ocean climate studies James Carton (U of Maryland, USA)
16:20-16:40	[9-2] The impact of different model error covariance matrices on the performance of a particle filter applied to a coupled ocean-atmosphere climate model Philip Browne (U of Reading, UK)
16:40-17:00	[9-3] OSSEs at Joint Center for Satellite Data Assimilation Michiko Masutani (U of Maryland, USA)
17:00-17:20	[9-4] Simulation-/Data-driven Data Assimilation Project toward "Terra Forecasting" Hiromichi Nagao (U of Tokyo, Japan)
17:20-17:40	[9-5] Real Data Assimilation for Optimal Estimation of Frictional Parameters and Prediction of Afterslip in the 2003 Tokachi-oki Earthquake by an Adjoint Method Masayuki Kano (U of Tokyo, Japan)

18:30-20:30

Banquet

- End of Day 3 -

Thursday, February 26, 2015

9:15-

Registration

[Session 10] New Observations / Chair: Roland Potthast (Deutscher Wetterdienst, Germany / U of Reading, UK)

9:30-10:20 Invited	[10-1] Novel observations for convective-scale weather prediction Martin Weissmann, (LMU, Germany)
10:20-10:40	[10-2] Assimilation experiments of bright band heights Takeshi Enomoto (Kyoto U, Japan)
10:40-11:00	[10-3] Characterization of SEVIRI satellite observations and their potential for convective-scale ensemble data assimilation Florian Harnisch (LMU, Germany)
11:00-11:20	[10-4] Assimilation of visible and near-infrared satellite observations in KENDA-COSMO Leonhard Scheck (LMU, Germany)
11:20-11:40	[10-5] Improved use at the Met Office of SEVIRI infrared observations in cloudy regions Robert Tubbs (Met Office, UK)
withdrawn	[10-6] Assimilating radar volume data into the COSMO model using an LETKF approach Yuefei Zeng(LMU, Germany)
11:40-12:00	[10-7] Assimilating 3D radar reflectivity with an Ensemble Kalman Filter on a convection- permitting scale Theresa Bick (U of Bonn, Germany)

12:00-12:30

Discussions and closing

- End of Symposium -

Poster Session

2/23 (Mon): odd numbers, 2/24 (Tue): even numbers

P-1	Numerical prediction experiment of cumulus convection by upstream lower-level humidification Yasutaka Wakazuki (U of Tsukuba, Japan)
P-2	Emerging Data Assimilation for interdisciplinary Systems Balla Maggero (Institute of Meteorological Training & Research, Kenya)
P-3	Impact of different sources of uncertainty in convective-scale EPS Christian Keil (LMU, Germany)
P-4	Experiment design to investigate the SLA and SST data assimilation impact over the South Atlantic Ocean Leonardo Lima (National Institute For Space Research, Brazil)
P-5	Conservation raw on the product between forward and adjoint variables and its use for tracing of water mass. Yosuke Fujii (Meteorological Research Institute, Japan)
P-6	Improvements to a global ocean data assimilation system through the incorporation of satellite-derived surface salinity data Takahiro Toyoda (Meteorological Research Institute, Japan)
P-7	Cloud-affected Infrared Brightness Temperature Assimilation using a Local Ensemble Transform Kalman Filter Africa Perianez (RIKEN, Japan/University of Reading, UK)
P-8	ICON Data Assimilation and the simulation of the tropical cyclone Haiyan Ana Fernandez del Rio (DWD, Germany)
P-9	Assessment of a now-casting system for flow-tracking of Lake Biwa Guillaume Auger (Ritsumeikan U, Japan)
P-10	Applications of Ensemble Singular Vectors for the LETKF system combined with a global NWP model Seoleun Shin (KIAPS, Korea)
P-11	Data assimilation experiment of GNSS derived water vapor data using a nested LETKF system Masanori Oigawa (Kyoto U, Japan)
P-12	Imaging Ground Motions in the Tokyo Metropolitan Area from MeSO-net Seismograms Based on LASSO Sadanobu Mizusako (U of Tokyo, Japan)
P-13	GPM/DPR Precipitation Compared with a 3.5-km-resolution NICAM Simulation Shunji Kotsuki (RIKEN, Japan)
P-14	Ensemble Data Assimilation of GSMaP precipitation into the nonhydrostatic global atmospheric model NICAM Shunji Kotsuki (RIKEN, Japan)
withdrawn	Analyses and the extended forecasts by an LETKF capable to use incremental method on 2011 Kyushu heavy rain case Tohru Kuroda (JAMSTEC, Japan)
P-16	Region Dividing Method to Clarify Frictional Properties in Plate Subduction Zone with Adjoint Data Assimilation Akihiro Suzuki (U of Tokyo, Japan)
P-17	An Ensemble-Based Variational Data Assimilation System Using Observation Localization Sho Yokota (Meteorological Research Institute, Japan)
P-18	30-second-update ensemble Kalman filter experiments using JMA-NHM at a 100-m resolution Masaru Kunii (RIKEN, Japan)
P-19	Observing System Experiment in the CPTEC/INPE 3D-Var data assimilation system Helena de Azevedo (National Institute For Space Research, Brazil)
P-20	Study of the impact of satellite data, radiosondes and GPS in a SACZ episode using G3DVar. Luis Gustavo de Goncalves (National Institute For Space Research, Brazil)
P-21	Ensemble-based observation impact estimates using an observation-based verification norm Martin Weissmann (LMU, Germany)
P-22	Radar assimilation in COSMO-KENDA Michael Wuersch (LMU, Germany)
P-23	Two formulae of the marginal likelihood for parameter estimation using the ensemble Kalman filter Shinya Nakano (Institute of Statistical Mathematics, Japan)
P-24	Assimilation Experiments of MTSAT Rapid Scan Data Michiko Otsuka (Meteorological Research Institute, Japan / RIKEN, Japan)
P-25	Data assimilation experiments with simulated LAI observations and the dynamic global vegetation model SEIB-DGVM Hazuki Arakida (RIKEN, Japan)
P-26	The 10,240-member ensemble Kalman filtering with an intermediate AGCM without localization Keiichi Kondo (RIKEN, Japan)
P-27	Simulation of severe convective storms with hail occurrence by the COSMO NWP model Zbynek Sokol (Institute of Atmospheric Physics ASCR, Czech Republic)
P-28	A Scalable Architecture for Data Storage and Retrieval in Real-time Data Assimilation in Meteorology Mayumbo Nyirenda (Hokkaido U)
P-29	A coupled land-atmosphere hybrid variational-ensemble data assimilation system for regional climate application Kazuyoshi Suzuki (JAMSTEC, Japan)
withdrawn	Dual-scale Neighboring Ensemble Approach for the CRM Ensemble Variational Assimilation Kazumasa Aonashi (Meteorological Research Institute, Japan)
P-31	An investigation of flow-dependency and a comparison of time-mapping methods using a new NHM-EnVar System Seiji Origuchi (Meteorological Research Institute, Japan)
P-32	Data assimilation experiments of refractivity distribution observed by an operational Doppler Radar of JMA Hiromu Seko (Meteorological Research Institute/RIKEN/JST/JAMSTEC, Japan)
P-33	Development of a Two-way Nested LETKF System for Cloud-resolving Model Hiromu Seko (Meteorological Research Institute/RIKEN/JST/JAMSTEC, Japan)
P-34	Observation system simulation experiments of the meso-scale convergence that causes the local heavy rainfall Hiromu Seko (Meteorological Research Institute/RIKEN/JST/JAMSTEC, Japan)
P-35	Impact of hybrid-4DVar at KMA Hyun-Cheol Shin (KMA, Korea)
P-36	Convective-scale predictability in numerical weather prediction at a 100-m resolution Shigenori Otsuka (RIKEN, Japan)
P-37	Precipitation nowcasting with a new three-dimensional super-rapid phased array weather radar Shigenori Otsuka (RIKEN, Japan)
P-38	Development of the SCALE-LETKF system for radar data assimilation Guo-Yuan Lien (RIKEN, Japan)
P-39	Ensemble forecast sensitivity to the observations (EFSO) applied to precipitation data assimilation Guo-Yuan Lien (RIKEN, Japan)
P-40	Applying the four-dimensional Local Ensemble Transform Kalman Filter to the Nonhydrostatic Icosahedral Atmospheric Model NICAM Koji Terasaki (RIKEN, Japan)
P-41	Humidity Cross Correlations in Short Range Ensemble Forecasts Dora Fohring (DWD, Germany)
P-42	Impacts of dense and frequent surface observations on sever rainfall forecasts Yasumitsu Maejima (RIKEN, Japan)
P-43	A hybrid-4DVAR system for the JMA nonhydrostatic regional model Le Duc (JAMSTEC, Japan)
P-44	A simple tropical cyclone tracking method based on trajectory analysis and particle filtering Kazue Suzuki (Institute of Statistical Mathematics, Japan)
P-45	Progress of assimilating space-borne precipitation radars Kozo Okamoto (Meteorological Research Institute, Japan)
P-46	Recent development on the global Hybrid 4DVar-LETKF data assimilation system at JMA Yoichiro Ota (JMA, Japan)

Organized by RIKEN Advanced Institute for Computational Science (RIKEN AICS) Co-Organized by Meteorological Satellite Center (MSC) Meteorological Research Institute (MRI) National Institute of Information and Communications Technology (NICT) Graduate School of Engineering, Osaka University Organizing Committees See Oganizers Page	Supported by Deutscher Wetterdienst (DWD) University of Reading Ludwig-Maximilians-Universität (LMU) Hans-Ertel-Centre for Weather Research (LMU/DWD) Japan Agency for Marine-Earth Science and Technology (JAMSTEC)