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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

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

Unstable perturbations computed using the adjoint technique

Author

Roberto Buizza

1992, Technical memorandum, ECMWF Technical Memoranda

File

8411-unstable-perturbations-computed-using-adjoint-technique.pdf

A bias correction scheme for simulated TOVS brightness temperatures

Author

J. Eyre

1992, Technical memorandum, ECMWF Technical Memoranda

File

9330-bias-correction-scheme-simulated-tovs-brightness-temperatures.pdf

Report on the seventh meeting of Member State Computing Representatives, 28-30 September 1992

Author

A. Lea

1992, Technical memorandum, ECMWF Technical Memoranda

File

10684-report-seventh-meeting-member-state-computing-representatives-28-30-september-1992.pdf

Ensemble prediction

Author

T.N. Palmer

Franco Molteni

R. Mureau

Roberto Buizza

P. Chapelet

J. Tribbia

1992, Technical memorandum, ECMWF Technical Memoranda

File

11560-ensemble-prediction.pdf

Assimilation of TOVS radiance information through one-dimensional variational analysis

Author

J. Eyre

G.A. Kelly

A. McNally

Erik Andersson

1992, Technical memorandum, ECMWF Technical Memoranda

File

9338-assimilation-tovs-radiance-information-through-one-dimensional-variational-analysis.pdf

Performance of the ECMWF model in tropical cyclone track forecasting over the Western North Pacific during 1990-1991

Author

C.M. Shun

1992, Technical memorandum, ECMWF Technical Memoranda

File

12207-performance-ecmwf-model-tropical-cyclone-track-forecasting-over-western-north-pacific-during.pdf

A microwave radiative transfer model

Author

L. Phalippou

1992, Technical memorandum, ECMWF Technical Memoranda

File

11667-microwave-radiative-transfer-model.pdf

The cloud clearing comparison exercise

Author

R. Rizzi

C. Serio

G.A. Kelly

V. Tramutoli

A. McNally

V. Cuomo

1992, Technical memorandum, ECMWF Technical Memoranda

File

11955-cloud-clearing-comparison-exercise.pdf

A method for implementing adjoint calculations in the discrete case

Author

R. Hoffman

J-F. Louis

T. Nehrkorn

1992, Technical memorandum, ECMWF Technical Memoranda

File

9906-method-implementing-adjoint-calculations-discrete-case.pdf

Four-dimensional assimilation in the presence of baroclinic instability

Author

Florence Rabier

P. Courtier

1991, Technical memorandum, ECMWF Technical Memoranda

File

11787-four-dimensional-assimilation-presence-baroclinic-instability.pdf

Report on the sixth meeting of Member State Computing Representatives, 3-5 June 1991

Author

A. Lea

1991, Technical memorandum, ECMWF Technical Memoranda

File

10683-report-sixth-meeting-member-state-computing-representatives-3-5-june-1991.pdf

Development of a high-resolution semi-Lagrangian version of the ECMWF forecast model

Author

Adrian Simmons

1991, Technical memorandum, ECMWF Technical Memoranda

File

12246-development-high-resolution-semi-lagrangian-version-ecmwf-forecast-model.pdf

Development of a variational assimilation system

Author

J. Pailleux

W.A. Heckley

Drasko Vasiljevic

Jean-Noël Thépaut

Florence Rabier

Carla Cardinali

Erik Andersson

1991, Technical memorandum, ECMWF Technical Memoranda

File

11480-development-variational-assimilation-system.pdf

Clouds and radiation.

Author

J.-J. Morcrette

L. Illari

E. Klinker

H. Le Treut

M.J. Miller

P. Rasch

M. Tiedtke

1991, Technical memorandum, ECMWF Technical Memoranda

File

11258-clouds-and-radiation.pdf

Use of SATOB satellite winds in a variational analysis scheme

Author

L. Perron

1991, Technical memorandum, ECMWF Technical Memoranda

File

11626-use-satob-satellite-winds-variational-analysis-scheme.pdf

A fast radiative transfer model for satellite sounding systems

Author

J. Eyre

1991, Technical memorandum, ECMWF Technical Memoranda

File

9329-fast-radiative-transfer-model-satellite-sounding-systems.pdf

Atmospheric instability and ensemble weather prediction

Author

Franco Molteni

R. Mureau

T.N. Palmer

1991, Technical memorandum, ECMWF Technical Memoranda

File

11199-atmospheric-instability-and-ensemble-weather-prediction.pdf

Four-dimensional variational data assimilation using the adjoint of a multilevel primitiveequation model

Author

Jean-Noël Thépaut

P. Courtier

1991, Technical memorandum, ECMWF Technical Memoranda

File

12693-four-dimensional-variational-data-assimilation-using-adjoint-multilevel-primitiveequation.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

Momentum budgets

Author

E. Klinker

1990, Technical memorandum, ECMWF Technical Memoranda

File

10494-momentum-budgets.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

Search ECMWF publications

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Variational assimilation at ECMWF

Synoptic cloudiness validation in the ECMWF model

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

Unstable perturbations computed using the adjoint technique

A bias correction scheme for simulated TOVS brightness temperatures

Report on the seventh meeting of Member State Computing Representatives, 28-30 September 1992

Ensemble prediction

Assimilation of TOVS radiance information through one-dimensional variational analysis

Performance of the ECMWF model in tropical cyclone track forecasting over the Western North Pacific during 1990-1991

A microwave radiative transfer model

The cloud clearing comparison exercise

A method for implementing adjoint calculations in the discrete case

Four-dimensional assimilation in the presence of baroclinic instability

Report on the sixth meeting of Member State Computing Representatives, 3-5 June 1991

Development of a high-resolution semi-Lagrangian version of the ECMWF forecast model

Development of a variational assimilation system

Clouds and radiation.

Use of SATOB satellite winds in a variational analysis scheme

A fast radiative transfer model for satellite sounding systems

Atmospheric instability and ensemble weather prediction

Four-dimensional variational data assimilation using the adjoint of a multilevel primitiveequation model

Surface fluxes from short range forecasts

Momentum budgets

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

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