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1992, Book Chapter, Parallel Supercomputing in Atmospheric Science. Proceedings of the 5th Workshop on Use of Parallel Processors in Meteorology, ECMWF, Topics in Atmospheric and Oceanic Sciences, editors M. Ghil and R. Sadourny and J. Sündermann

The SSI analysis system and extensions to 4D

Author

J.C. Derber

D.F. Parrish

J.G. Sela

1992, Conference Paper, Workshop on Variational Assimilation, with special emphasis on Three-dimensional Aspects, 9-12 November 1992

File

74189-ssi-analysis-system-and-extensions-4d.pdf

Data assimilation with an extended Kalman filter

Author

P. Gauthier

P. Courtier

1992, Conference Paper, Workshop on Variational Assimilation, with special emphasis on Three-dimensional Aspects, 9-12 November 1992

File

74548-data-assimilation-extended-kalman-filter.pdf

Polar Lows

Author

S. Grönås

1992, Conference Paper, Seminar on Validation of models over Europe, 7-11 September 1992

File

74654-polar-lows.pdf

Use of a digital filter as a weak constraint in variational data assimilation

Author

N. Gustafsson

1992, Conference Paper, Workshop on Variational Assimilation, with special emphasis on Three-dimensional Aspects, 9-12 November 1992

File

74676-use-digital-filter-weak-constraint-variational-data-assimilation.pdf

The ECMWF variational analysis: General formulation and use of background information

Author

W. Heckley

P. Courtier

J. Pailleux

Erik Andersson

1992, Conference Paper, Workshop on Variational Assimilation, with special emphasis on Three-dimensional Aspects, 9-12 November 1992

File

74764-ecmwf-variational-analysis-general-formulation-and-use-background-information.pdf

Newsletter No. 57 - March 1992

Author

ECMWF

1992, Newsletter, ECMWF Newsletter

File

18439-newsletter-no-57-march-1992.pdf

Newsletter No. 58 - June 1992

Author

ECMWF

1992, Newsletter, ECMWF Newsletter

File

18440-newsletter-no-58-june-1992.pdf

Newsletter No. 59 - September 1992

Author

ECMWF

1992, Newsletter, ECMWF Newsletter

File

18441-newsletter-no-59-september-1992.pdf

Newsletter No. 60 - December 1992

Author

ECMWF

1992, Newsletter, ECMWF Newsletter

File

18442-newsletter-no-60-december-1992.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

Scientific assessment of the prospects for seasonal forecasting: A European perspective

Author

T.N. Palmer

D.L.T. Anderson

1993, Report

File

11532-scientific-assessment-prospects-seasonal-forecasting-european-perspective.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

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

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

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

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

From measurement to model: ERS-1 scatterometer data assimilation

Author

A. Stoffelen

1993, Conference Paper, ECMWF/EUMETSAT Seminar on Developments in the Use of Satellite Data in Numerical Weather Prediction, 6-10 September 1993, ECMWF/EUMETSAT Seminar

File

76512-measurement-model-ers-1-scatterometer-data-assimilation.pdf

Boundary-layer cumulus over land: some observations and conceptual models

Author

R. Stull

1993, Conference Paper, Workshop on Parametrization of the Cloud Topped Boundary layer, 8-11 June 1993

File

76534-boundary-layer-cumulus-over-land-some-observations-and-conceptual-models.pdf

Stratospheric data assimilation for the UARS project

Author

R. Swinbank

1993, Conference Paper, Workshop on Stratosphere and Numerical Weather Prediction, 15-17 November 1993

File

76549-stratospheric-data-assimilation-uars-project.pdf

Stratospheric modelling within UGAMP

Author

J. Thuburn

1993, Conference Paper, Workshop on Stratosphere and Numerical Weather Prediction, 15-17 November 1993

File

76666-stratospheric-modelling-within-ugamp.pdf

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Potential vorticity perspective of model validation

A simple scheme for tuning forecast error covariance paramters

Extreme oceanic cyclogenesis

Parallelization of the IFS Model

The SSI analysis system and extensions to 4D

Data assimilation with an extended Kalman filter

Polar Lows

Use of a digital filter as a weak constraint in variational data assimilation

The ECMWF variational analysis: General formulation and use of background information

Newsletter No. 57 - March 1992

Newsletter No. 58 - June 1992

Newsletter No. 59 - September 1992

Newsletter No. 60 - December 1992

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

Scientific assessment of the prospects for seasonal forecasting: A European perspective

Synoptic cloudiness validation in the ECMWF model

Evaluation of forecast error covariance matrix

Variational assimilation at ECMWF

Sensitivity of forecast error to initial conditions using the adjoint method

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

From measurement to model: ERS-1 scatterometer data assimilation

Boundary-layer cumulus over land: some observations and conceptual models

Stratospheric data assimilation for the UARS project

Stratospheric modelling within UGAMP

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