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Applying an outer-loop to the WRF-LETKF system for typhoon assimilation and prediction PowerPoint PPT Presentation
Applying an outer-loop to the WRF-LETKF system for typhoon assimilation and prediction - Applying an outer-loop to the WRF-LETKF system for typhoon assimilation and prediction Shu-Chih Yang1,Kuan-Jen Lin1, Takemasa Miyoshi2 and Eugenia Kalnay2
Applying an outer-loop to the WRF-LETKF system for typhoon assimilation and prediction Shu-Chih Yang1,Kuan-Jen Lin1, Takemasa Miyoshi2 and Eugenia Kalnay2
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Martian Data Assimilation Using the LETKF PowerPoint PPT Presentation
Martian Data Assimilation Using the LETKF - Martian Data Assimilation Using the LETKF
Martian Data Assimilation Using the LETKF
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Research activities of the local ensemble transform Kalman filter LETKF at JMA PowerPoint PPT Presentation
Research activities of the local ensemble transform Kalman filter LETKF at JMA - Research activities of the local ensemble transform Kalman filter LETKF at JMA
Research activities of the local ensemble transform Kalman filter LETKF at JMA
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Martian Data Assimilation Using the LETKF PowerPoint PPT Presentation
Martian Data Assimilation Using the LETKF - Martian Data Assimilation Using the LETKF
Martian Data Assimilation Using the LETKF
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Allgemein PowerPoint PPT Presentation
Allgemein - Status of WG1 Science Plan Issues Christoph Schraff Deutscher Wetterdienst, Offenbach, Germany KENDA LETKF at CNMCA : talk by Lucio Torrisi 3DVar at HMC (Sochi area ...
Status of WG1 Science Plan Issues Christoph Schraff Deutscher Wetterdienst, Offenbach, Germany KENDA LETKF at CNMCA : talk by Lucio Torrisi 3DVar at HMC (Sochi area ...
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Comparison of ensemblebased and variationalbased data assimilation schemes in a QuasiGeostrophic mod PowerPoint PPT Presentation
Comparison of ensemblebased and variationalbased data assimilation schemes in a QuasiGeostrophic mod - same adaptive observations from ensemble spread method are assimilated by both 3D-Var and LETKF ... 3D-Var is more sensitive to adaptive strategies than LETKF. ...
same adaptive observations from ensemble spread method are assimilated by both 3D-Var and LETKF ... 3D-Var is more sensitive to adaptive strategies than LETKF. ...
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Adaptive Targeting Schemes and Their Technology Implications PowerPoint PPT Presentation
Adaptive Targeting Schemes and Their Technology Implications - ... Var, LETKF provides analysis and forecast error covariances for every variable, every level. ... If comparison 'fails', then DWL goes into high resolution ...
... Var, LETKF provides analysis and forecast error covariances for every variable, every level. ... If comparison 'fails', then DWL goes into high resolution ...
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Allgemein PowerPoint PPT Presentation
Allgemein - ... further testing required accounting for model error stochastic perturbation of ... approach basic version developed ... multiplicative cov. infl. yes yes ...
... further testing required accounting for model error stochastic perturbation of ... approach basic version developed ... multiplicative cov. infl. yes yes ...
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COMPARISON%20OF%20ENSEMBLE-BASED%20AND%20VARIATIONAL-BASED%20DATA%20ASSIMILATION%20SCHEMES%20IN%20A%20QUASI-GEOSTROPHIC%20MODEL PowerPoint PPT Presentation
COMPARISON%20OF%20ENSEMBLE-BASED%20AND%20VARIATIONAL-BASED%20DATA%20ASSIMILATION%20SCHEMES%20IN%20A%20QUASI-GEOSTROPHIC%20MODEL - ENSEMBLE KALMAN FILTER IN THE PRESENCE OF MODEL ERRORS. Hong Li. Eugenia Kalnay ... if the R and B statistics are correct and errors are uncorrelated ...
ENSEMBLE KALMAN FILTER IN THE PRESENCE OF MODEL ERRORS. Hong Li. Eugenia Kalnay ... if the R and B statistics are correct and errors are uncorrelated ...
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The application of ensemble Kalman filter in adaptive observation and information content estimation studies PowerPoint PPT Presentation
The application of ensemble Kalman filter in adaptive observation and information content estimation studies - Constant with time, and same for 3D-Var ... rawinsonde only ... based on the sensitivity study (impact of the carbon concentration data on the flux estimation) ...
Constant with time, and same for 3D-Var ... rawinsonde only ... based on the sensitivity study (impact of the carbon concentration data on the flux estimation) ...
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Statistical Characteristics of High-Resolution COSMO Ensemble Forecasts in view of Data Assimilation PowerPoint PPT Presentation
Statistical Characteristics of High-Resolution COSMO Ensemble Forecasts in view of Data Assimilation - Statistical Characteristics of High-Resolution COSMO Ensemble Forecasts in view of Data Assimilation Priority Project KENDA Daniel Leuenberger MeteoSwiss, Zurich ...
Statistical Characteristics of High-Resolution COSMO Ensemble Forecasts in view of Data Assimilation Priority Project KENDA Daniel Leuenberger MeteoSwiss, Zurich ...
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Implementation of the Ensemble Transform Kalman Filter on the NCEP GFS PowerPoint PPT Presentation
Implementation of the Ensemble Transform Kalman Filter on the NCEP GFS - The uniformly distributed observations provide an excellent opportunity to study ... 7x7x7 grid-point local cubes, multiplicative variance inflation (25% in ...
The uniformly distributed observations provide an excellent opportunity to study ... 7x7x7 grid-point local cubes, multiplicative variance inflation (25% in ...
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Recent Development of the JMA Global Data Assimilation System PowerPoint PPT Presentation
Recent Development of the JMA Global Data Assimilation System - Mt. Fuji from JMA/MSC (Meteorological Satellite Center) Numerical Prediction Division, ... Intermission: because of the routine system experiments ...
Mt. Fuji from JMA/MSC (Meteorological Satellite Center) Numerical Prediction Division, ... Intermission: because of the routine system experiments ...
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Tests%20of%20a%20Prototype%20Ensemble%20Data%20Assimilation%20System%20at%20NCEP PowerPoint PPT Presentation
Tests%20of%20a%20Prototype%20Ensemble%20Data%20Assimilation%20System%20at%20NCEP - Tests of a Prototype Ensemble Data Assimilation System at NCEP ... a variant of 3D-Var that allows some anisotropy of background-error covariances. ...
Tests of a Prototype Ensemble Data Assimilation System at NCEP ... a variant of 3D-Var that allows some anisotropy of background-error covariances. ...
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Application of the Local Ensemble Transform Kalman Filter to a 3D Cloud Resolving Model PowerPoint PPT Presentation
Application of the Local Ensemble Transform Kalman Filter to a 3D Cloud Resolving Model - Goal: Determine the physical state of a cloud as accurately as possible. ... Goddard Cumulus Ensemble (GCE) Cloud Model (M) Radar observation model (H) ...
Goal: Determine the physical state of a cloud as accurately as possible. ... Goddard Cumulus Ensemble (GCE) Cloud Model (M) Radar observation model (H) ...
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Nonlinear Coupled Data assimilation PowerPoint PPT Presentation
Nonlinear Coupled Data assimilation - Nonlinear Coupled Data assimilation Peter Jan van Leeuwen Melanie Ades, Phil Browne, Javier Amezcua, Mengbin Zhu The solution is a pdf! Bayes theorem: Data ...
Nonlinear Coupled Data assimilation Peter Jan van Leeuwen Melanie Ades, Phil Browne, Javier Amezcua, Mengbin Zhu The solution is a pdf! Bayes theorem: Data ...
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Michiko Masutani PowerPoint PPT Presentation
Michiko Masutani - Progress and Plans in Joint OSSEs Michiko Masutani Joint OSSE coordinator NOAA/NWS/NCEP/EMC http://www.emc.ncep.noaa.gov/research/OSSE More evaluations of Nature Run ...
Progress and Plans in Joint OSSEs Michiko Masutani Joint OSSE coordinator NOAA/NWS/NCEP/EMC http://www.emc.ncep.noaa.gov/research/OSSE More evaluations of Nature Run ...
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Methods for dealing with spurious covariances arising from small samples in ensemble data assimilation PowerPoint PPT Presentation
Methods for dealing with spurious covariances arising from small samples in ensemble data assimilation - Ensemble data assimilation. Parallel forecast and analysis cycles ... model variable one at a time, using all observations within a specified radius ...
Ensemble data assimilation. Parallel forecast and analysis cycles ... model variable one at a time, using all observations within a specified radius ...
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3DVAR%20on%20the%20JMA-NHM%20and%20EnKF%20on%20the%20SPEEDY%20model PowerPoint PPT Presentation
3DVAR%20on%20the%20JMA-NHM%20and%20EnKF%20on%20the%20SPEEDY%20model - Prof. James Carton. Prof. Owen Thompson. Prof. Brian Hunt. Dr. Joaquim Ballabrera ... Drs. Franco Molteni and Fred Kucharski kindly provided the SPEEDY model. ...
Prof. James Carton. Prof. Owen Thompson. Prof. Brian Hunt. Dr. Joaquim Ballabrera ... Drs. Franco Molteni and Fred Kucharski kindly provided the SPEEDY model. ...
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Current Status of the Development of the Local Ensemble Transform Kalman Filter at UMD PowerPoint PPT Presentation
Current Status of the Development of the Local Ensemble Transform Kalman Filter at UMD - Current Status of the Development of the Local Ensemble Transform Kalman Filter at UMD
Current Status of the Development of the Local Ensemble Transform Kalman Filter at UMD
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Diapositiva 1 PowerPoint PPT Presentation
Diapositiva 1 - 10 COSMO GENERAL MEETING Plans and State of Art at USAM/CNMCA Massimo Ferri Strategy at USAM/CNMCA Vision: Under the pressure of reduction in human and financial ...
10 COSMO GENERAL MEETING Plans and State of Art at USAM/CNMCA Massimo Ferri Strategy at USAM/CNMCA Vision: Under the pressure of reduction in human and financial ...
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Ensemble data assimilation experiments for the coastal ocean: Impact of different observed variables PowerPoint PPT Presentation
Ensemble data assimilation experiments for the coastal ocean: Impact of different observed variables - Impact of different observed variables. Ross N Hoffman1, Rui M Ponte1, ... 3d, sigma coordinate, curvilinear, C grid. Currents, temperature, salinity, water level ...
Impact of different observed variables. Ross N Hoffman1, Rui M Ponte1, ... 3d, sigma coordinate, curvilinear, C grid. Currents, temperature, salinity, water level ...
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Hybrid Variational-Ensemble Data Assimilation at NCEP PowerPoint PPT Presentation
Hybrid Variational-Ensemble Data Assimilation at NCEP - ... the fastest we have ever begun assimilating data from a new satellite sensor after launch GPS RO Bending Angle replaced Refractivity ... Radar (TDR) Data using ...
... the fastest we have ever begun assimilating data from a new satellite sensor after launch GPS RO Bending Angle replaced Refractivity ... Radar (TDR) Data using ...
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NASA impact on Numerical Weather Prediction: Past, Present and Future PowerPoint PPT Presentation
NASA impact on Numerical Weather Prediction: Past, Present and Future - NASA impact on Numerical Weather Prediction: Past, Present and Future
NASA impact on Numerical Weather Prediction: Past, Present and Future
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Application of the Local Ensemble Transform Kalman Filter to a 3D Cloud Resolving Model PowerPoint PPT Presentation
Application of the Local Ensemble Transform Kalman Filter to a 3D Cloud Resolving Model - Goal: Determine the physical state of a cloud as accurately as possible. ... Goddard Cumulus Ensemble (GCE) Cloud Model (M) Radar observation model (H) ...
Goal: Determine the physical state of a cloud as accurately as possible. ... Goddard Cumulus Ensemble (GCE) Cloud Model (M) Radar observation model (H) ...
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EGU2008-A-10290 PowerPoint PPT Presentation
EGU2008-A-10290 - NASA/GFSC: Ron Errico, Oreste Reale, Runhua Yang, Emily Liu, Joanna Joiner, ... Ron Errico, Runhua Yang, Emily Liu, Lars Peter Riishojgaard, Ravi Govindaraju ...
NASA/GFSC: Ron Errico, Oreste Reale, Runhua Yang, Emily Liu, Joanna Joiner, ... Ron Errico, Runhua Yang, Emily Liu, Lars Peter Riishojgaard, Ravi Govindaraju ...
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Application of the Local Ensemble Transform Kalman Filter to a 3D Cloud Resolving Model PowerPoint PPT Presentation
Application of the Local Ensemble Transform Kalman Filter to a 3D Cloud Resolving Model - ... in the observational equipment, thus creating holes in the data. ... Nature Run: xt. xt. Apply GCE model: ... Create radar observation operator and apply ...
... in the observational equipment, thus creating holes in the data. ... Nature Run: xt. xt. Apply GCE model: ... Create radar observation operator and apply ...
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New York Harbor Observing and Prediction System MARCOOS Enhancements PowerPoint PPT Presentation
New York Harbor Observing and Prediction System MARCOOS Enhancements - New York Harbor Observing and Prediction System MARCOOS Enhancements
New York Harbor Observing and Prediction System MARCOOS Enhancements
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Review of Covariance Localization in Ensemble Filters PowerPoint PPT Presentation
Review of Covariance Localization in Ensemble Filters - obs. location. How covariance localization. is commonly implemented ... and obs at grid point 1 with error covariance. How do errors change with correlation and ...
obs. location. How covariance localization. is commonly implemented ... and obs at grid point 1 with error covariance. How do errors change with correlation and ...
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Impacts of flowdependent backgrounderror covariances in the NCEP Global Forecast System PowerPoint PPT Presentation
Impacts of flowdependent backgrounderror covariances in the NCEP Global Forecast System - Impacts of flowdependent backgrounderror covariances in the NCEP Global Forecast System
Impacts of flowdependent backgrounderror covariances in the NCEP Global Forecast System
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Michiko Masutani and Jack Woollen PowerPoint PPT Presentation
Michiko Masutani and Jack Woollen - ... Prive, Masutani, Jusem, R. Tompkins, Jung, Andersson, R Yang, ... Adrian Tompkins, ECMWF. NR. MODIS. NR-MODIS. Utilize Goddard's cyclone tracking software. ...
... Prive, Masutani, Jusem, R. Tompkins, Jung, Andersson, R Yang, ... Adrian Tompkins, ECMWF. NR. MODIS. NR-MODIS. Utilize Goddard's cyclone tracking software. ...
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Strategies for Simulation of Observation for Joint OSSEs PowerPoint PPT Presentation
Strategies for Simulation of Observation for Joint OSSEs - [3]NOAA/ NESDIS/STAR, [4]ECMWF, [5]Joint Center for Satellite ... Current choice of Nature Run: Long free forecast run forced by daily SST and ice from analysis ...
[3]NOAA/ NESDIS/STAR, [4]ECMWF, [5]Joint Center for Satellite ... Current choice of Nature Run: Long free forecast run forced by daily SST and ice from analysis ...
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Welcome to the UW Fox Scholars Series PowerPoint PPT Presentation
Welcome to the UW Fox Scholars Series - Cross Section at 180o ... Red analysis with no Jc term. Green analysis with Jc term ... Have a version ready, but based on a version of GSI from March 2005 ...
Cross Section at 180o ... Red analysis with no Jc term. Green analysis with Jc term ... Have a version ready, but based on a version of GSI from March 2005 ...
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Accelerating the spinup of EnKF PowerPoint PPT Presentation
Accelerating the spinup of EnKF - 4D-Var is known to spin-up faster than EnKF because it is a smoother: it keeps ... EnKF spins-up fast if starting from a 'good' initial state, e.g., 3D-Var ...
4D-Var is known to spin-up faster than EnKF because it is a smoother: it keeps ... EnKF spins-up fast if starting from a 'good' initial state, e.g., 3D-Var ...
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Lagrangian Data Assimilation: Method, Applications, and Strategy for Optimal Drifter Deployment PowerPoint PPT Presentation
Lagrangian Data Assimilation: Method, Applications, and Strategy for Optimal Drifter Deployment - Lagrangian Data Assimilation: Method, Applications, and Strategy for Optimal Drifter Deployment
Lagrangian Data Assimilation: Method, Applications, and Strategy for Optimal Drifter Deployment
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Michiko Masutani PowerPoint PPT Presentation
Michiko Masutani - Progress and Plans in Joint OSSEs Michiko Masutani Joint OSSE coordinator NOAA/NWS/NCEP/EMC http://www.emc.ncep.noaa.gov/research/OSSE More evaluation of Nature Run ...
Progress and Plans in Joint OSSEs Michiko Masutani Joint OSSE coordinator NOAA/NWS/NCEP/EMC http://www.emc.ncep.noaa.gov/research/OSSE More evaluation of Nature Run ...
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Michiko Masutani PowerPoint PPT Presentation
Michiko Masutani - ... Joe Terry, Juan Juseum, Gail McConaughy , Runhua Yang, Emily Liu, ... Yong Han, Walter Wolf, Cris Bernet,, Mark Liu, M.-J. Kim, Tom Kleespies, (NESDIS) ...
... Joe Terry, Juan Juseum, Gail McConaughy , Runhua Yang, Emily Liu, ... Yong Han, Walter Wolf, Cris Bernet,, Mark Liu, M.-J. Kim, Tom Kleespies, (NESDIS) ...
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Michiko Masutani PowerPoint PPT Presentation
Michiko Masutani - Michiko Masutani
Michiko Masutani
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