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Linearity of optimal perturbation time evolution and sensitivity of ensemble forecasts toperturbation amplitude

Author

Roberto Buizza

1994, Technical memorandum, ECMWF Technical Memoranda

File

8414-linearity-optimal-perturbation-time-evolution-and-sensitivity-ensemble-forecasts-toperturbation.pdf

Recent studies of semi-Lagrangian advection at ECMWF

Author

M. Hortal

1994, Technical memorandum, ECMWF Technical Memoranda

File

10016-recent-studies-semi-lagrangian-advection-ecmwf.pdf

The ECMWF Ensemble Prediction System - methodology and validation

Author

Franco Molteni

Roberto Buizza

T.N. Palmer

T. Petroliagis

1994, Technical memorandum, ECMWF Technical Memoranda

File

11189-ecmwf-ensemble-prediction-system-methodology-and-validation.pdf

Error growth and predictability estimates for the ECMWF forecasting system

Author

Adrian Simmons

R. Mureau

T. Petroliagis

1994, Technical memorandum, ECMWF Technical Memoranda

File

12280-error-growth-and-predictability-estimates-ecmwf-forecasting-system.pdf

Recommendations on the verification of local weather forecasts

Author

P. Nurmi

1994, Technical memorandum, ECMWF Technical Memoranda

File

11400-recommendations-verification-local-weather-forecasts.pdf

Assimilation of radio occultation measurements into a Numerical Weather Predictionsystem

Author

J. Eyre

1994, Technical memorandum, ECMWF Technical Memoranda

File

9331-assimilation-radio-occultation-measurements-numerical-weather-predictionsystem.pdf

Accuracy of the ERS-1 altimeter-derived Fast Delivery Products for wave dataassimilation

Author

A. Guillaume

1994, Technical memorandum, ECMWF Technical Memoranda

File

9678-accuracy-ers-1-altimeter-derived-fast-delivery-products-wave-dataassimilation.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

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

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

Search ECMWF publications

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Linearity of optimal perturbation time evolution and sensitivity of ensemble forecasts toperturbation amplitude

Recent studies of semi-Lagrangian advection at ECMWF

The ECMWF Ensemble Prediction System - methodology and validation

Error growth and predictability estimates for the ECMWF forecasting system

Recommendations on the verification of local weather forecasts

Assimilation of radio occultation measurements into a Numerical Weather Predictionsystem

Accuracy of the ERS-1 altimeter-derived Fast Delivery Products for wave dataassimilation

Sensitivity of forecast error to initial conditions using the adjoint method

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

Evaluation of forecast error covariance matrix

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

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