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Estimates of round-off error in the inversion of positive definite matrices

Author

A. Hollingsworth

G.J. Cats

1985, Technical memorandum, ECMWF Technical Memoranda

File

9963-estimates-round-error-inversion-positive-definite-matrices.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

Systematic errors in surface and upper lows in ECMWF's operational spectral model for the 1983-1984 winter season and comparing these to the relevant errors in grid point model

Author

V. Akyildiz

1985, Technical memorandum, ECMWF Technical Memoranda

File

7660-systematic-errors-surface-and-upper-lows-ecmwfs-operational-spectral-model-1983-1984-winter.pdf

The impact of the El NIno anomaly on the mean meridional circulation as simulated by a high resolution model

Author

G-X. Wu

U. Cubasch

1985, Technical memorandum, ECMWF Technical Memoranda

File

13156-impact-el-nino-anomaly-mean-meridional-circulation-simulated-high-resolution-model.pdf

The effects of mechanical forcing on the mean meridional circulation of the atmosphere

Author

G-X. Wu

S. Tibaldi

1985, Technical memorandum, ECMWF Technical Memoranda

File

13157-effects-mechanical-forcing-mean-meridional-circulation-atmosphere.pdf

The ECMWF climate system

Author

C. Brankovic

J. Van Maanen

1985, Technical memorandum, ECMWF Technical Memoranda

File

8377-ecmwf-climate-system.pdf

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

Use of conventional surface observations in three-dimensional variational assimilation

Author

Carla Cardinali

Erik Andersson

P. Viterbo

Jean-Noël Thépaut

Drasko Vasiljevic

1994, Technical memorandum, ECMWF Technical Memoranda

File

8577-use-conventional-surface-observations-three-dimensional-variational-assimilation.pdf

Predictability studies with the ECMWF model for the extended range: The impact ofhorizontal resolution and boundary layer forcing

Author

U. Cubasch

A.C. Wiin-Nielsen

1985, Technical memorandum, ECMWF Technical Memoranda

File

8821-predictability-studies-ecmwf-model-extended-range-impact-ofhorizontal-resolution-and-boundary.pdf

A standardised verification scheme for local weather forecasts

Author

H. Daan

1985, Technical memorandum, ECMWF Technical Memoranda

File

8883-standardised-verification-scheme-local-weather-forecasts.pdf

Statistical assessment of an observing system experiment based on frequency distributions of 500 hPa differences

Author

P. Emmrich

P.W. Kållberg

1985, Technical memorandum, ECMWF Technical Memoranda

File

9290-statistical-assessment-observing-system-experiment-based-frequency-distributions-500-hpa.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

Extensions to AF 82 GRIB (Gridded Binary)

Author

J. Gibson

1985, Technical memorandum, ECMWF Technical Memoranda

File

9563-extensions-af-82-grib-gridded-binary.pdf

Current and planned meteorological applications systems at ECMWF

Author

J. Gibson

1985, Technical memorandum, ECMWF Technical Memoranda

File

9564-current-and-planned-meteorological-applications-systems-ecmwf.pdf

A memory manager for single and multi-tasking applications

Author

J. Gibson

D. Dent

1985, Technical memorandum, ECMWF Technical Memoranda

File

9571-memory-manager-single-and-multi-tasking-applications.pdf

A pilot study on the prediction of medium range forecast quality

Author

S. Grönås

1985, Technical memorandum, ECMWF Technical Memoranda

File

9665-pilot-study-prediction-medium-range-forecast-quality.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

Development of the high resolution model

Author

M. Jarraud

Adrian Simmons

M. Kanamitsu

1985, Technical memorandum, ECMWF Technical Memoranda

File

10254-development-high-resolution-model.pdf

On the use of cloud track wind data from FGGE in the upper troposphere

Author

P.W. Kållberg

1985, Technical memorandum, ECMWF Technical Memoranda

File

10591-use-cloud-track-wind-data-fgge-upper-troposphere.pdf

Report on the eighth meeting of Member State Computing Representatives, 27-28 September 1994

Author

A. Lea

1994, Technical memorandum, ECMWF Technical Memoranda

File

10685-report-eighth-meeting-member-state-computing-representatives-27-28-september-1994.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

Extended versions of the convective parametrization scheme at ECMWF and their impact on the mean and transient activity of the model in the tropics

Author

T-E. Nordeng

1994, Technical memorandum, ECMWF Technical Memoranda

File

11393-extended-versions-convective-parametrization-scheme-ecmwf-and-their-impact-mean-and-transient.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

FGGE moisture analysis and assimilation in the ECMWF system

Author

R.J. Pasch

L. Illari

1985, Technical memorandum, ECMWF Technical Memoranda

File

11611-fgge-moisture-analysis-and-assimilation-ecmwf-system.pdf

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Estimates of round-off error in the inversion of positive definite matrices

Recent studies of semi-Lagrangian advection at ECMWF

Systematic errors in surface and upper lows in ECMWF's operational spectral model for the 1983-1984 winter season and comparing these to the relevant errors in grid point model

The impact of the El NIno anomaly on the mean meridional circulation as simulated by a high resolution model

The effects of mechanical forcing on the mean meridional circulation of the atmosphere

The ECMWF climate system

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

Use of conventional surface observations in three-dimensional variational assimilation

Predictability studies with the ECMWF model for the extended range: The impact ofhorizontal resolution and boundary layer forcing

A standardised verification scheme for local weather forecasts

Statistical assessment of an observing system experiment based on frequency distributions of 500 hPa differences

Assimilation of radio occultation measurements into a Numerical Weather Predictionsystem

Extensions to AF 82 GRIB (Gridded Binary)

Current and planned meteorological applications systems at ECMWF

A memory manager for single and multi-tasking applications

A pilot study on the prediction of medium range forecast quality

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

Development of the high resolution model

On the use of cloud track wind data from FGGE in the upper troposphere

Report on the eighth meeting of Member State Computing Representatives, 27-28 September 1994

The ECMWF Ensemble Prediction System - methodology and validation

Extended versions of the convective parametrization scheme at ECMWF and their impact on the mean and transient activity of the model in the tropics

Recommendations on the verification of local weather forecasts

FGGE moisture analysis and assimilation in the ECMWF system

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