The 6th EnKF
Workshop Agenda, May 18-22, 2014
Beaver
Hollow Conference Resort,
Buffalo, New York
Organizing
committee: Jeff Anderson, Craig Bishop, Neil Bowler, Peter Houtekamer
(co-chair), Kayo Ide, Ryan Torn, Takemasa
Miyoshi, Jeff Whitaker, Ming Xue, Jiang Zhu, Fuqing
Zhang (co-chair)
Workshop
liaison: Steven Greybush (sjg213@psu.edu)
All Photos and Group Photos at 1 2 3 4 5 6 7 8 9 10
Sunday, 18 May 2014
7-8:30 Dinner
Monday, 19 May 2014
8-8:10 Brief Introduction
(All regular sessions will have 1
30-min invited talk, 3 20-min standard talks and 10 min discussions)
8:10-9:50 Session 1: Operational DA (session
chair: Lucio Torrisi)
Andrew Lorenc Development
of the Met Office's 4DEnVar System
Massimo Bonavita Variational and EnKF assimilation
systems at ECMWF
Daryl Kleist 4D
Hybrid Ensemble-Var and Incremental Analysis Update
with the NCEP GFS
Seung-Jong Baek Environment
Canada's Regional Ensemble Kalman Filter
9:50-10:20 Break
10:20-12:00 Session 2: Hybrids (session
chair: Xuguang Wang)
Jonathan Poterjoy Inter-comparison
and coupling of EnKF with 4DVAR
Chengsi Liu Four-Dimensional
Ensemble-Variational (4DEnVAR) Hybrid Algorithms and Implementation
and Testing within the ARPS Data Assimilation Framework
David Kuhl Comparison
of hybrid ensemble/4D-Var and 4D-Var within the NAVDAS-AR data assimilation
framework
Stephen Pring Comparison
of 4D-ensemble-Var with hybrid 4DVar at the Met Office
12:00-1:00 Lunch
1:00-2:40 Session 3: Satellite DA
(session chair: Daryl Kleist)
Jason
Otkin Assimilating
cloudy sky infrared brightness temperatures using an ensemble Kalman filter
Annika Schomburg Assimilating
cloud information from satellite cloud products with an Ensemble Kalman Filter at the convective scale
Takeshi Enomoto Assimilation
of bright band heights into the atmospheric general circulation model using ensemble Kalman filter
Jianyu Liang Studying
impacts of the Saharan Air Layer on hurricane development using WRF-Chem/EnKF
2:40-6:00 Afternoon recreation
6-7:30 dinner
7:30-9:00 Session 4: Bonfire and poster
evening (session chair: Steven Greybush)
Byoung-Joo Jung Performance
of KIAPS-LETKF data assimilation system implemented to CAM-SE model
Martin Weissman Assimilation
of visible and near-infrared satellite reflectance in KENDA-COSMO
Nathan Snook EnKF Data Assimilation and Storm-Scale Ensembles for Hail
Prediction in the Severe Hail Analysis, Reperesentation,
and Prediction (SHARP) Project
Heiner Lange Assessing
the Predictability of Convection using Ensemble Data Assimilation of Simulated
Radar Observations in an LETKF system
Zhaorong Zhuang The
Ensemble Analyses and Forecasts of 24 May 2011 Oklahoma Tornadic
Supercell Storms using a 3DVAR Data Assimilation
Technique
Michael Wursch Data
assimilation experiments in a modified shallow water model
Yicun Zhen A
Probabilistic Approach to Adaptive Covariance Localization For Serial Ensemble Square-root
Filters and Uncorrelated Observations
Justin Tsai Improving
Quantitative Precipitation Nowcasting with a Local
Ensemble Transform Kalman Filter Radar Data
Assimilation System: Real-case Validation
Keiichi Kondo The dual-localization approach and large ensemble data
assimilation in the SPEEDY-LETKF
Africa Perianez Steps
towards pre-operational brightness temperature assimilation with LETKF at
convective-scale
Daisuke Hotta Ensemble
Forecast Sensitivity to Observations (EFSO) and Proactive Quality Control
Steven Greybush LETKF
Data Assimilation for the Martian Atmosphere
Martin Weissman Estimating
observation impact in a convective-scale LETKF
Shigenori Otsuka A
Bayesian optimization approach to multi-model ensemble Kalman
filter
Lili Lei Impacts
of model error on ensemble and empirical data assimilation approaches
Florian Harnisch Application
of a convective-scale LETKF to provide initial ensemble perturbations
Saroja Polavarapu Development
of an ensemble Kalman Smoother for Carbon Flux
Estimation
Young Soon Jo Development
of verification tools for KIAPS-LETKF data assimilation system
Matthew Kretschmer Ensemble
Data Assimilation Using a Composite State Method
Soojin Roh Statistical
methods for robust Ensemble Kalman Filter
Shunji Kotsuki Impact
of assimilating order of observations in serial EnKF
Elizabeth Satterfield
An
Application of Hidden Error Variance Theory to Ensemble Hybrid 4D-Var
Michael Erickson Exploring
Model Error with an Ensemble Kalman Filter on High
Fire Threat Days over the Northeast United States
Xuguang Wang GSI-based
four-dimensional ensemble-variational (4DEnsVar) data
assimilation: formulation and single resolution experiments with real data for
NCEP Global Forecast System
Xuguang Wang Development
and research of GSI-based Var/EnKF/hybrid
data assimilation for convective scale weather forecast
Jason Otkin Assimilation
of satellite and radar observations during a convection-resolving Observing
System Simulation Experiment
Kristen Bathmann Error
bound in estimation of the convectively coupled tropical waves based on
simulated cloudy AIRS data
Tuesday, 20 May 2014
8-9:40 Session 5: Convective-Scale DA
(session chair: Annika Schomburg)
Ming Xue A
Review on the Status of Ensemble Data Assimilation for the Convective Scale
Youngsun Jung CAPS
Real-time Storm-scale EnKF Data Assimilation and
Forecasts System for the 2014 Hazardous Weather Testbed
Spring Experiment
Timothy Supinie Impact
of VORTEX2 Observations on Analyses and Forecasts of the 5 June 2009 Goshen
County, Wyoming, Supercell
Nusrat Yussouf The
Ensemble Kalman Filter Analyses and Forecasts of 27
April 2011 Alabama Severe Weather Outbreak
9:40-10:10 Break
10:10-11:50 Session 6: Tropical
Cyclones (session chair: Yongsheng Chen)
Yonghui Weng / Fuqing Zhang Advances
in tropical cyclone inner-core data assimilation, overview
Jason Sippel Ensemble
Kalman filter assimilation of Global-Hawk-based data
from tropical cyclones
Chih-Chien Chang Applications
of the mean recentering scheme to improve typhoon
track prediction: A case study of Typhoon Nanmadol
(2011)
Xuguang Wang Hybrid
ensemble-Var data assimilation: implementation and
tests for hurricane prediction
11:50-1:00 Lunch
1:00-2:40 Session 7: Sampling error and
Localization 1 (session chair: Mikyoung Jun)
Craig Bishop Localization
and sampling error
Lili Lei Validation
of a New Algorithm for Empirical Localization of Observations for Ensemble Kalman Filter Data Assimilation in Global and Regional
Atmospheric Models
Brock Burghardt The
Impact of Observation Localization on South Plains Convective Forecasts
Nicholas Gasperoni Improved
Localization of the Ensemble-based Observation Impact Estimate using a Dynamic
Group Filter Technique
2:40-6:00 Afternoon recreation
6-7:30 dinner
7:30-9:10 Session 8: Sampling error and
Localization 2 (session chair: Massimo Bonavita)
Kayo Ide Coping
with multi-scale in ensemble data assimilation
Mikyoung Jun Localization
Methods for a Multivariate Ensemble Kalman Filter
Catherine Thomas Multivariate
correlations: Applying a dynamic constraint and variable localization in an
ensemble context
Sabrina Rainwater Multi-scale
Covariance Localization
Wednesday, 21 May 2014
8-9:40 Session 9: Model Error (session
chair: Stephen Penny)
Jeff Whitaker An
overview of model error treatment in ensemble data assimilation
John Harlim Linear
theory for filtering nonlinear multiscale systems
with model error
Shu-Chih Yang Ensemble
Singular Vectors and their use as additive inflation in EnKF
Francesca Marcucci The
Use of a Self-Evolving Additive Inflation in the CNMCA Operational Ensemble
Data Assimilation System
9:40-10:10 Break
10:10-11:50 Session 10: Model error /
New Applications (session chair: David Kuhl)
Zhengyu Liu Improving
Coupled Climate Model using EnKF for Parameter
Optimization
Robert Tardiff Exploring
coupled atmosphere-ocean data assimilation strategies with an EnKF and a low-order analogue of the climate system
Stephen Penny A
Hybrid Ocean Assimilation System at NCEP
Ashford Reyes Assimilation
of conventional and field experiment observations for Hurricane Mathew during
NASA GRIP 2010 with a coupled EnKF and 4DVar system
11:50-1:00 Lunch
1:00-2:40 Session
11: New Applications / Ensemble
Sensitivity (session chair: Jason Sippel)
Xiao Tang/Jiang Zhu Applications of EnKF to air pollution estimation and real-time forecast in
China
Rahul Mahajan Estimating
observation impact in a hybrid data assimilation system: Experiments using a
simple model.
Ji-Sun Kang Estimation
of Forecast Sensitivity to Observations within KIAPS-LETKF data assimilation
system
Steven Greybush Insights
from Mars and Earth for Predictability and Ensemble Kalman
Filtering
2:40-6:00 Afternoon recreation
6-7:30 dinner
7:30-9:00 Session
12: Special Session on future directions (moderator: Fuqing Zhang)
Eugenia Kalnay Future
directions in ensemble DA (keynote talk, 1hr)
Takemasa
Miyoshi Recent
activities on 'Big Data Assimilation' in Japan (invited talk, 30 min)
Thursday, 22 May 2014
8-9:40 Session 12: Computational
Aspects (session chair: Lili Lei)
Peter Houtekamer computational
efficiency
So-Young Ha Ensemble
Kalman Filter Data Assimilation for the MPAS system
Koji Terasaki Developing
the Local Ensemble Transform Kalman Filter with the
Japanese Icosahedral Global Model NICAM
Yunji Zhang Ensemble
Assimilation and predictability of a tornadic supercell event
9:40-10:10 break
10:10-11:30 Session 14: Grand
discussions and summary
(moderator:
Peter Houtekamer and Fuqing Zhang; rapporteur: Steven
Greybush)
11:30-1:00 Check
out and Lunch
1:00 Workshop adjoin
