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The ECMWF implementation of three dimensional variational assimilation. Part III: Experimental results

Author

Erik Andersson

J. Haseler

P. Undén

P. Courtier

G.A. Kelly

Drasko Vasiljevic

C. Brankovic

Carla Cardinali

C. Gaffard

A. Hollingsworth

C. Jakob

Peter Janssen

E. Klinker

A. Lanzinger

M.J. Miller

Florence Rabier

Adrian Simmons

B. Strauss

Jean-Noël Thépaut

P. Viterbo

1998, Technical memorandum, ECMWF Technical Memoranda

File

7752-ecmwf-implementation-three-dimensional-variational-assimilation-part-iii-experimental-results.pdf

Variational quality control

Author

Erik Andersson

H Järvinen

1998, Technical memorandum, ECMWF Technical Memoranda

File

7759-variational-quality-control.pdf

Verification of TMI-adjusted rainfall analysis of tropical cyclones at ECMWF using TRMM Precipitation Radar observations.

Author

Angela Benedetti

Philippe Lopez

2004, Technical memorandum, ECMWF Technical Memoranda

File

8069-verification-tmi-adjusted-rainfall-analysis-tropical-cyclones-ecmwf-using-trmm-precipitation.pdf

Experimental use of TRMM Precipitation Radar observations in 1D+4D-Var assimilation

Author

Angela Benedetti

Philippe Lopez

Peter Bauer

E. Moreau

2004, Technical memorandum, ECMWF Technical Memoranda

File

8072-experimental-use-trmm-precipitation-radar-observations-1d4d-var-assimilation.pdf

RTMIPAS: A fast radiative transfer model for the assimilation of infrared limb radiances from MIPAS.

Author

Niels Bormann

Marco Matricardi

Sean Healy

2004, Technical memorandum, ECMWF Technical Memoranda

File

8309-rtmipas-fast-radiative-transfer-model-assimilation-infrared-limb-radiances-mipas.pdf

Performance of the ECMWF and the BoM ensemble systems in the Southern Hemisphere

Author

W. Bourke

Roberto Buizza

M. Naughton

2004, Technical memorandum, ECMWF Technical Memoranda

File

8333-performance-ecmwf-and-bom-ensemble-systems-southern-hemisphere.pdf

Seasonal skill and predictability of ECMWF PROVOST ensembles

Author

C. Brankovic

T.N. Palmer

1998, Technical memorandum, ECMWF Technical Memoranda

File

8367-seasonal-skill-and-predictability-ecmwf-provost-ensembles.pdf

Resolution dependence of orographic torques

Author

A.R. Brown

2004, Technical memorandum, ECMWF Technical Memoranda

File

8400-resolution-dependence-orographic-torques.pdf

Probability precipitation prediction using the ECMWF Ensemble Prediction System

Author

Roberto Buizza

A. Hollingsworth

1998, Technical memorandum, ECMWF Technical Memoranda

File

8445-probability-precipitation-prediction-using-ecmwf-ensemble-prediction-system.pdf

Impact of ensemble size on ensemble prediction

Author

Roberto Buizza

T.N. Palmer

1998, Technical memorandum, ECMWF Technical Memoranda

File

8461-impact-ensemble-size-ensemble-prediction.pdf

Impact of model resolution and ensemble size of the performance of an EnsemblePrediction System

Author

Roberto Buizza

T. Petroliagis

T.N. Palmer

J. Barkmeijer

M. Hamrud

A. Hollingsworth

Adrian Simmons

Nils Wedi

1998, Technical memorandum, ECMWF Technical Memoranda

File

8465-impact-model-resolution-and-ensemble-size-performance-ensembleprediction-system.pdf

Influence matrix diagnostic of a data assimilation system.

Author

Carla Cardinali

S. Pezzulli

Erik Andersson

2004, Technical memorandum, ECMWF Technical Memoranda

File

8592-influence-matrix-diagnostic-data-assimilation-system.pdf

The ECMWF implementation of three dimensional variational assimilation. Part 1:Formulation

Author

P. Courtier

Erik Andersson

W.A. Heckley

J. Pailleux

Drasko Vasiljevic

M. Hamrud

A. Hollingsworth

Florence Rabier

Mike Fisher

1998, Technical memorandum, ECMWF Technical Memoranda

File

8787-ecmwf-implementation-three-dimensional-variational-assimilation-part-1formulation.pdf

The ECMWF surface analysis: Diagnostics and prospects

Author

H. Douville

J.-F. Mahfouf

S. Saarinen

P. Viterbo

1998, Technical memorandum, ECMWF Technical Memoranda

File

9099-ecmwf-surface-analysis-diagnostics-and-prospects.pdf

Sequential soil moisture analysis in the presence of internal and prescribed errors using the ECMWF single column model

Author

H. Douville

P. Viterbo

J.-F. Mahfouf

Anton Beljaars

1998, Technical memorandum, ECMWF Technical Memoranda

File

9100-sequential-soil-moisture-analysis-presence-internal-and-prescribed-errors-using-ecmwf-single.pdf

ECMWF's global snow analysis: Assessment and revision based on satellite observations.

Author

M. Drusch

Drasko Vasiljevic

P. Viterbo

2004, Technical memorandum, ECMWF Technical Memoranda

File

9139-ecmwfs-global-snow-analysis-assessment-and-revision-based-satellite-observations.pdf

Soil moisture retrieval during the Southern Great Plains Hydrology Experiment 1999: A comparison between experimental remote sensing data and operational products.

Author

M. Drusch

E.F. Wood

H. Gao

A. Thiele

2004, Technical memorandum, ECMWF Technical Memoranda

File

9141-soil-moisture-retrieval-during-southern-great-plains-hydrology-experiment-1999-comparison.pdf

An explicit low-resolution extended Kalman filter: Implementation and preliminaryexperimentation

Author

M. Ehrendorfer

F. Bouttier

1998, Technical memorandum, ECMWF Technical Memoranda

File

9269-explicit-low-resolution-extended-kalman-filter-implementation-and-preliminaryexperimentation.pdf

Development of a simplified Kalman filter

Author

Mike Fisher

1998, Technical memorandum, ECMWF Technical Memoranda

File

9401-development-simplified-kalman-filter.pdf

On the equivalence between Kalman smoothing and weak-constraint four-dimensional variational data assimilation.

Author

Mike Fisher

2004, Technical memorandum, ECMWF Technical Memoranda

File

9415-equivalence-between-kalman-smoothing-and-weak-constraint-four-dimensional-variational-data.pdf

Introduction of revised radiation, convection, cloud and vertical diffusion schemes intoCy18r3 of the ECMWF integrated forecasting system

Author

D. Gregory

J.-J. Morcrette

C. Jakob

Anton Beljaars

1998, Technical memorandum, ECMWF Technical Memoranda

File

9648-introduction-revised-radiation-convection-cloud-and-vertical-diffusion-schemes-intocy18r3-ecmwf.pdf

A probability and decision-model analysis of PROVOST seasonal multi-model ensemble integrations

Author

T.N. Palmer

C. Brankovic

David Richardson

1998, Technical memorandum, ECMWF Technical Memoranda

File

11544-probability-and-decision-model-analysis-provost-seasonal-multi-model-ensemble-integrations.pdf

Development of a European Multi-Model Ensemble System for Seasonal to Inter-Annual Prediction (DEMETER).

Author

T.N. Palmer

A. Alessandri

U. Andersen

P. Cantelaube

M. Davey

P. Délécluse

M. Deque

E. Diez

F. Doblas-Reyes

H. Feddersen

R. Graham

S. Gualdi

J.-F. Guérémy

Renate Hagedorn

M. Hoshen

N. Keenlyside

M. Latif

A. Lazar

E. Maisonnave

V. Marletto

A.P. Morse

B. Orfila

P. Rogel

J.-M. Terres

M.C. Thomson

2004, Technical memorandum, ECMWF Technical Memoranda

File

11568-development-european-multi-model-ensemble-system-seasonal-inter-annual-prediction-demeter.pdf

Report on the sixteenth meeting of Computing Representatives, 21-22 April 2004.

Author

P. Prior

2004, Technical memorandum, ECMWF Technical Memoranda

File

11735-report-sixteenth-meeting-computing-representatives-21-22-april-2004.pdf

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The ECMWF implementation of three dimensional variational assimilation. Part III: Experimental results

Variational quality control

Verification of TMI-adjusted rainfall analysis of tropical cyclones at ECMWF using TRMM Precipitation Radar observations.

Experimental use of TRMM Precipitation Radar observations in 1D+4D-Var assimilation

RTMIPAS: A fast radiative transfer model for the assimilation of infrared limb radiances from MIPAS.

Performance of the ECMWF and the BoM ensemble systems in the Southern Hemisphere

Seasonal skill and predictability of ECMWF PROVOST ensembles

Resolution dependence of orographic torques

Probability precipitation prediction using the ECMWF Ensemble Prediction System

Impact of ensemble size on ensemble prediction

Impact of model resolution and ensemble size of the performance of an EnsemblePrediction System

Influence matrix diagnostic of a data assimilation system.

The ECMWF implementation of three dimensional variational assimilation. Part 1:Formulation

The ECMWF surface analysis: Diagnostics and prospects

Sequential soil moisture analysis in the presence of internal and prescribed errors using the ECMWF single column model

ECMWF's global snow analysis: Assessment and revision based on satellite observations.

Soil moisture retrieval during the Southern Great Plains Hydrology Experiment 1999: A comparison between experimental remote sensing data and operational products.

An explicit low-resolution extended Kalman filter: Implementation and preliminaryexperimentation

Development of a simplified Kalman filter

On the equivalence between Kalman smoothing and weak-constraint four-dimensional variational data assimilation.

Introduction of revised radiation, convection, cloud and vertical diffusion schemes intoCy18r3 of the ECMWF integrated forecasting system

A probability and decision-model analysis of PROVOST seasonal multi-model ensemble integrations

Development of a European Multi-Model Ensemble System for Seasonal to Inter-Annual Prediction (DEMETER).

Report on the sixteenth meeting of Computing Representatives, 21-22 April 2004.

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