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Sea level assimilation experiments in the tropical pacific

Author

J.O.S. Alves

K. Haines

D.L.T. Anderson

2000, Technical memorandum, ECMWF Technical Memoranda

File

7691-sea-level-assimilation-experiments-tropical-pacific.pdf

Diagnosis of background errors for radiances and other observable quantities in a variational data assimilation scheme, and the explanation of a case of poor convergence

Author

Erik Andersson

Mike Fisher

R. Munro

2000, Technical memorandum, ECMWF Technical Memoranda

File

7747-diagnosis-background-errors-radiances-and-other-observable-quantities-variational-data.pdf

Tropical singular vectors computed with linearized diabatic physics

Author

J. Barkmeijer

Roberto Buizza

T.N. Palmer

K. Puri

J.-F. Mahfouf

2000, Technical memorandum, ECMWF Technical Memoranda

File

7946-tropical-singular-vectors-computed-linearized-diabatic-physics.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

Intercomparison of the performance of operational ocean wave forecasting systems with buoy data

Author

Jean-Raymond Bidlot

D.J. Holmes

P.A. Wittmann

R. Lalbeharry

H.S. Chen

2000, Technical memorandum, ECMWF Technical Memoranda

File

8225-intercomparison-performance-operational-ocean-wave-forecasting-systems-buoy-data.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

Impact of horizontal resolution on seasonal integrations

Author

C. Brankovic

D. Gregory

2000, Technical memorandum, ECMWF Technical Memoranda

File

8363-impact-horizontal-resolution-seasonal-integrations.pdf

Resolution dependence of orographic torques

Author

A.R. Brown

2004, Technical memorandum, ECMWF Technical Memoranda

File

8400-resolution-dependence-orographic-torques.pdf

Forecasting system performance in summer 1999. Part 3: EPS

Author

Roberto Buizza

2000, Technical memorandum, ECMWF Technical Memoranda

File

8415-forecasting-system-performance-summer-1999-part-3-eps.pdf

An assessment of using dropsonde data in Numerical Weather Prediction

Author

Carla Cardinali

2000, Technical memorandum, ECMWF Technical Memoranda

File

8570-assessment-using-dropsonde-data-numerical-weather-prediction.pdf

EUCOS impact study

Author

Carla Cardinali

2000, Technical memorandum, ECMWF Technical Memoranda

File

8571-eucos-impact-study.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

Classifications and validation of the ECMWF EPS perturbed forecasts using pre-defined weather regimes

Author

P.A. Chessa

2000, Technical memorandum, ECMWF Technical Memoranda

File

8682-classifications-and-validation-ecmwf-eps-perturbed-forecasts-using-pre-defined-weather-regimes.pdf

Comparison of model fluxes with surface and top-of-the-atmosphere observations

Author

F. Chevallier

J.-J. Morcrette

2000, Technical memorandum, ECMWF Technical Memoranda

File

8698-comparison-model-fluxes-surface-and-top-atmosphere-observations.pdf

Alternative implementations of the semi-Lagrangian semi-implicit schemes in the ECMWF model

Author

Mike Cullen

2000, Technical memorandum, ECMWF Technical Memoranda

File

8830-alternative-implementations-semi-lagrangian-semi-implicit-schemes-ecmwf-model.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

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

A review of predictability and ECMWF forecast performance, with emphasis on Europe

Author

T.N. Palmer

C. Brankovic

Roberto Buizza

P. Chessa

Laura Ferranti

2000, Technical memorandum, ECMWF Technical Memoranda

File

11491-review-predictability-and-ecmwf-forecast-performance-emphasis-europe.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

Report on the twelfth Security Representatives' Meeting, 22-23 April 2004. (Restricted distribution)

Author

P. Prior

2004, Technical memorandum, ECMWF Technical Memoranda

Search ECMWF publications

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Sea level assimilation experiments in the tropical pacific

Diagnosis of background errors for radiances and other observable quantities in a variational data assimilation scheme, and the explanation of a case of poor convergence

Tropical singular vectors computed with linearized diabatic physics

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

Intercomparison of the performance of operational ocean wave forecasting systems with buoy data

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

Impact of horizontal resolution on seasonal integrations

Resolution dependence of orographic torques

Forecasting system performance in summer 1999. Part 3: EPS

An assessment of using dropsonde data in Numerical Weather Prediction

EUCOS impact study

Influence matrix diagnostic of a data assimilation system.

Classifications and validation of the ECMWF EPS perturbed forecasts using pre-defined weather regimes

Comparison of model fluxes with surface and top-of-the-atmosphere observations

Alternative implementations of the semi-Lagrangian semi-implicit schemes in the ECMWF 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.

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

A review of predictability and ECMWF forecast performance, with emphasis on Europe

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.

Report on the twelfth Security Representatives' Meeting, 22-23 April 2004. (Restricted distribution)

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