Search ECMWF publications

Changes in the ECMWF analysis-forecasting scheme and the systematic error of the model

Author

K Arpe

1989, Technical memorandum, ECMWF Technical Memoranda

File

7812-changes-ecmwf-analysis-forecasting-scheme-and-systematic-error-model.pdf

Computation of optimal perturbations using a local projection operator: A winter casestudy

Author

Roberto Buizza

1993, Technical memorandum, ECMWF Technical Memoranda

File

8413-computation-optimal-perturbations-using-local-projection-operator-winter-casestudy.pdf

Data assimilation and anomalous lows

Author

W.A. Heckley

1989, Technical memorandum, ECMWF Technical Memoranda

File

9825-data-assimilation-and-anomalous-lows.pdf

Data assimilation and forecast experiment at ECMWF using the '3I' retrieval scheme for satellite soundings

Author

J-F. Flobert

Erik Andersson

A. Chedin

G.A. Kelly

J. Pailleux

N.A. Scott

1989, Technical memorandum, ECMWF Technical Memoranda

File

9430-data-assimilation-and-forecast-experiment-ecmwf-using-3i-retrieval-scheme-satellite-soundings.pdf

Description of the radiation scheme in the ECMWF model

Author

J.-J. Morcrette

1989, Technical memorandum, ECMWF Technical Memoranda

File

11234-description-radiation-scheme-ecmwf-model.pdf

Design of a variational analysis: Organisation and main scientific points. Computation of the distance to the observations

Author

J. Pailleux

1989, Technical memorandum, ECMWF Technical Memoranda

File

11468-design-variational-analysis-organisation-and-main-scientific-points-computation-distance.pdf

Evaluation and development of the ECMWF humidity analysis

Author

Z. Zhang

J. Pailleux

G.A. Kelly

1989, Technical memorandum, ECMWF Technical Memoranda

File

13207-evaluation-and-development-ecmwf-humidity-analysis.pdf

Evaluation of forecast error covariance matrix

Author

Florence Rabier

A. McNally

1993, Technical memorandum, ECMWF Technical Memoranda

File

11801-evaluation-forecast-error-covariance-matrix.pdf

Extended-range predictions with ECMWF models. I. Interannual variability in operational model integrations

Author

T.N. Palmer

C. Brankovic

U. Cubasch

1989, Technical memorandum, ECMWF Technical Memoranda

File

11540-extended-range-predictions-ecmwf-models-i-interannual-variability-operational-model.pdf

Extended-range predictions with ECMWF models. II. Influence of horizontal resolution on systematic error and forecast skill

Author

S. Tibaldi

T.N. Palmer

C. Brankovic

U. Cubasch

1989, Technical memorandum, ECMWF Technical Memoranda

File

12719-extended-range-predictions-ecmwf-models-ii-influence-horizontal-resolution-systematic-error.pdf

Extended-range predictions with ECMWF models. III: Time-lagged ensemble forecasting

Author

C. Brankovic

T.N. Palmer

Franco Molteni

U. Cubasch

1989, Technical memorandum, ECMWF Technical Memoranda

File

8371-extended-range-predictions-ecmwf-models-iii-time-lagged-ensemble-forecasting.pdf

First studies with a prognostic cloud generation scheme

Author

H. Le Treut

1989, Technical memorandum, ECMWF Technical Memoranda

File

10675-first-studies-prognostic-cloud-generation-scheme.pdf

Impact of a simple vertical diffusion scheme and of the optimisation time interval onoptimal unstable structures

Author

Roberto Buizza

1993, Technical memorandum, ECMWF Technical Memoranda

File

8412-impact-simple-vertical-diffusion-scheme-and-optimisation-time-interval-onoptimal-unstable.pdf

Observing system experiments on NESDIS statistical retrievals of TOVS data using the 1988 ECMWF data assimilation system

Author

Erik Andersson

A. Hollingsworth

G.A. Kelly

P. Lönnberg

J. Pailleux

Z. Zhang

1989, Technical memorandum, ECMWF Technical Memoranda

File

7755-observing-system-experiments-nesdis-statistical-retrievals-tovs-data-using-1988-ecmwf-data.pdf

Quality control of NESDIS physical retrievals of TOVS satellite data

Author

G.A. Kelly

Erik Andersson

A. Hollingsworth

P. Lönnberg

J. Pailleux

Z. Zhang

1989, Technical memorandum, ECMWF Technical Memoranda

File

10432-quality-control-nesdis-physical-retrievals-tovs-satellite-data.pdf

Report on fifth meeting of Member State Computing Representatives, 11-14 April 1989

Author

D. Maretis

1989, Technical memorandum, ECMWF Technical Memoranda

File

10972-report-fifth-meeting-member-state-computing-representatives-11-14-april-1989.pdf

Research and operational developments related to the use of satellite data in the ECMWF assimilations system

Author

J. Pailleux

G.A. Kelly

A. Hollingsworth

P. Lönnberg

Z. Zhang

J-F. Flobert

1989, Technical memorandum, ECMWF Technical Memoranda

File

11481-research-and-operational-developments-related-use-satellite-data-ecmwf-assimilations-system.pdf

Sensitivity of forecast error to initial conditions using the adjoint method

Author

Florence Rabier

P. Courtier

M. Herveou

B. Strauss

A Persson

1993, Technical memorandum, ECMWF Technical Memoranda

File

11789-sensitivity-forecast-error-initial-conditions-using-adjoint-method.pdf

Software organization of the variational analysis: Format of observations

Author

J. Pailleux

P. Undén

1989, Technical memorandum, ECMWF Technical Memoranda

File

11482-software-organization-variational-analysis-format-observations.pdf

Synoptic characteristics of the ECMWF Chernobyl data set

Author

A. Rubli

1989, Technical memorandum, ECMWF Technical Memoranda

File

12023-synoptic-characteristics-ecmwf-chernobyl-data-set.pdf

Synoptic cloudiness validation in the ECMWF model

Author

N.G. Kvamstø

1993, Technical memorandum, ECMWF Technical Memoranda

File

10579-synoptic-cloudiness-validation-ecmwf-model.pdf

Tropical-extratropical interaction associated with the 30-60 day oscillation and its impact on medium and extended range predictability

Author

Laura Ferranti

T.N. Palmer

Franco Molteni

E. Klinker

1989, Technical memorandum, ECMWF Technical Memoranda

File

74461-tropical-extratropical-interaction-associated-30-60-day-oscillation-and-its-impact-medium-and.pdf

Variational assimilation at ECMWF

Author

P. Courtier

Erik Andersson

W.A. Heckley

G.A. Kelly

J. Pailleux

Florence Rabier

Jean-Noël Thépaut

P. Undén

Drasko Vasiljevic

Carla Cardinali

J. Eyre

M. Hamrud

J. Haseler

A. Hollingsworth

A. McNally

A. Stoffelen

1993, Technical memorandum, ECMWF Technical Memoranda

File

8786-variational-assimilation-ecmwf.pdf

Search ECMWF publications

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Changes in the ECMWF analysis-forecasting scheme and the systematic error of the model

Computation of optimal perturbations using a local projection operator: A winter casestudy

Data assimilation and anomalous lows

Data assimilation and forecast experiment at ECMWF using the '3I' retrieval scheme for satellite soundings

Description of the radiation scheme in the ECMWF model

Design of a variational analysis: Organisation and main scientific points. Computation of the distance to the observations

Evaluation and development of the ECMWF humidity analysis

Evaluation of forecast error covariance matrix

Extended-range predictions with ECMWF models. I. Interannual variability in operational model integrations

Extended-range predictions with ECMWF models. II. Influence of horizontal resolution on systematic error and forecast skill

Extended-range predictions with ECMWF models. III: Time-lagged ensemble forecasting

First studies with a prognostic cloud generation scheme

Impact of a simple vertical diffusion scheme and of the optimisation time interval onoptimal unstable structures

Observing system experiments on NESDIS statistical retrievals of TOVS data using the 1988 ECMWF data assimilation system

Quality control of NESDIS physical retrievals of TOVS satellite data

Report on fifth meeting of Member State Computing Representatives, 11-14 April 1989

Research and operational developments related to the use of satellite data in the ECMWF assimilations system

Sensitivity of forecast error to initial conditions using the adjoint method

Software organization of the variational analysis: Format of observations

Synoptic characteristics of the ECMWF Chernobyl data set

Synoptic cloudiness validation in the ECMWF model

Tropical-extratropical interaction associated with the 30-60 day oscillation and its impact on medium and extended range predictability

Variational assimilation at ECMWF

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