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Use of radiances in 3D/4D variational data assimilation

Author

Erik Andersson

J. Pailleux

Jean-Noël Thépaut

J. Eyre

A. McNally

G.A. Kelly

P. Courtier

1993, Book Chapter, Technical Proceedings 7th International TOVS Study Conference; Igls, Austria; 10-16 February 1993, Ed J. R. Eyre

Applications of statistics of differences between measured and forecast TOVS brightness temperatures

Author

J. Eyre

G.A. Kelly

A. McNally

Erik Andersson

1993, Book Chapter, Technical Proceedings 7th International TOVS Study Conference; Igls, Austria; 10-16 February 1993, Ed J.R. Eyre

Experiments using one-dimensional variational analysis of TOVS data at ECMWF

Author

A. McNally

G.A. Kelly

J. Eyre

Erik Andersson

1993, Book Chapter, Technical Proceedings 7th International TOVS Study Conference; Igls, Austria; 10-16 February 1993, Ed J.R. Eyre.

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

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

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

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

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

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

Surface fluxes from short range forecasts

Author

K Arpe

D.M. Burridge

1990, Technical memorandum, ECMWF Technical Memoranda

File

7830-surface-fluxes-short-range-forecasts.pdf

Report on the pilot study to establish the value of information exchange between ECMWF and national focal points for radiosonde systems

Author

B. Strauss

1990, Technical memorandum, ECMWF Technical Memoranda

File

12460-report-pilot-study-establish-value-information-exchange-between-ecmwf-and-national-focal.pdf

Momentum budgets

Author

E. Klinker

1990, Technical memorandum, ECMWF Technical Memoranda

File

10494-momentum-budgets.pdf

Rationale for a new physically-based parametrization of subgrid-scale orographic effects

Author

P.G. Baines

T.N. Palmer

1990, Technical memorandum, ECMWF Technical Memoranda

File

7875-rationale-new-physically-based-parametrization-subgrid-scale-orographic-effects.pdf

The sensitivity of the ECMWF model to the parametrization of evaporation from the tropical oceans

Author

Anton Beljaars

M.J. Miller

1990, Technical memorandum, ECMWF Technical Memoranda

File

8040-sensitivity-ecmwf-model-parametrization-evaporation-tropical-oceans.pdf

Use of reduced Gaussian grids in spectral models

Author

M. Hortal

Adrian Simmons

1990, Technical memorandum, ECMWF Technical Memoranda

File

10025-use-reduced-gaussian-grids-spectral-models.pdf

The impact of North Atlantic tempship radiosonde data on the ECMWF analysis and forecast

Author

J. Pailleux

1990, Technical memorandum, ECMWF Technical Memoranda

File

11469-impact-north-atlantic-tempship-radiosonde-data-ecmwf-analysis-and-forecast.pdf

The decrease of the systematic error and the increased predictability of the long waves in the ECMWF model

Author

R. Mureau

1990, Technical memorandum, ECMWF Technical Memoranda

File

11322-decrease-systematic-error-and-increased-predictability-long-waves-ecmwf-model.pdf

Report on meeting on ECMWF Wide Area Network security, 1 December 1989

Author

P. Prior

1990, Technical memorandum, ECMWF Technical Memoranda

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Use of radiances in 3D/4D variational data assimilation

Applications of statistics of differences between measured and forecast TOVS brightness temperatures

Experiments using one-dimensional variational analysis of TOVS data at ECMWF

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

Sensitivity of forecast error to initial conditions using the adjoint method

Variational assimilation at ECMWF

Evaluation of forecast error covariance matrix

Synoptic cloudiness validation in the ECMWF model

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

Surface fluxes from short range forecasts

Report on the pilot study to establish the value of information exchange between ECMWF and national focal points for radiosonde systems

Momentum budgets

Rationale for a new physically-based parametrization of subgrid-scale orographic effects

The sensitivity of the ECMWF model to the parametrization of evaporation from the tropical oceans

Use of reduced Gaussian grids in spectral models

The impact of North Atlantic tempship radiosonde data on the ECMWF analysis and forecast

The decrease of the systematic error and the increased predictability of the long waves in the ECMWF model

Report on meeting on ECMWF Wide Area Network security, 1 December 1989

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