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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

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

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

Sensitivity of two-day forecast errors over the Northern Hemisphere to initial conditions

Author

Florence Rabier

E. Klinker

P. Courtier

A. Hollingsworth

1994, Technical memorandum, ECMWF Technical Memoranda

File

11795-sensitivity-two-day-forecast-errors-over-northern-hemisphere-initial-conditions.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

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

Field presentation of verification statistics: Summer forecasts of 1982 and 1983 compared

Author

R. Nieminen

1983, Technical memorandum, ECMWF Technical Memoranda

File

11382-field-presentation-verification-statistics-summer-forecasts-1982-and-1983-compared.pdf

A comparison of NMC and CAC sea surface temperature analyses

Author

W.A. Heckley

1983, Technical memorandum, ECMWF Technical Memoranda

File

9824-comparison-nmc-and-cac-sea-surface-temperature-analyses.pdf

A method of correcting tidal biases in the data assimilation system

Author

P. Undén

1983, Technical memorandum, ECMWF Technical Memoranda

File

12865-method-correcting-tidal-biases-data-assimilation-system.pdf

Economic benefits of weather forecasting in some Member States of ECMWF

Author

J.A. Woods

1983, Technical memorandum, ECMWF Technical Memoranda

File

13138-economic-benefits-weather-forecasting-some-member-states-ecmwf.pdf

Evaluation of the gridpoint model and the new spectral model for the period 2 April to 20 April 1983

Author

O. Åkesson

H. Böttger

R. Nieminen

1983, Technical memorandum, ECMWF Technical Memoranda

File

13288-evaluation-gridpoint-model-and-new-spectral-model-period-2-april-20-april-1983.pdf

A multi-tasking Numerical Weather Prediction model

Author

J. Gibson

1983, Technical memorandum, ECMWF Technical Memoranda

File

9561-multi-tasking-numerical-weather-prediction-model.pdf

Surface temperatures May 1982 - June 1983

Author

W.A. Heckley

1983, Technical memorandum, ECMWF Technical Memoranda

File

9823-surface-temperatures-may-1982-june-1983.pdf

Plotting of ECMWF forecast products in some Member States

Author

J.A. Woods

1983, Technical memorandum, ECMWF Technical Memoranda

File

13137-plotting-ecmwf-forecast-products-some-member-states.pdf

A synoptic analysis of cyclones in ECMWF analyses and forecasts for winter season of 1980-81, 1981-82

Author

V. Akyildiz

1983, Technical memorandum, ECMWF Technical Memoranda

File

7659-synoptic-analysis-cyclones-ecmwf-analyses-and-forecasts-winter-season-1980-81-1981-82.pdf

A simple memory manager

Author

J. Gibson

1983, Technical memorandum, ECMWF Technical Memoranda

File

9560-simple-memory-manager.pdf

On the use of observation error data in FGGE main level III-b analysis

Author

P. Julian

1983, Technical memorandum, ECMWF Technical Memoranda

File

10304-use-observation-error-data-fgge-main-level-iii-b-analysis.pdf

Report on the third meeting of Member State Computing Representatives 18-20 May 1983

Author

A. Lea

P.J. Prior

1983, Technical memorandum, ECMWF Technical Memoranda

File

10688-report-third-meeting-member-state-computing-representatives-18-20-may-1983.pdf

Numerical experiments on the seasonal transition of the general circulation over Asia in summer 1979

Author

J. Li-Ren

S. Tibaldi

1983, Technical memorandum, ECMWF Technical Memoranda

File

10744-numerical-experiments-seasonal-transition-general-circulation-over-asia-summer-1979.pdf

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Use of conventional surface observations in three-dimensional variational assimilation

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

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

Sensitivity of two-day forecast errors over the Northern Hemisphere to initial conditions

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

Field presentation of verification statistics: Summer forecasts of 1982 and 1983 compared

A comparison of NMC and CAC sea surface temperature analyses

A method of correcting tidal biases in the data assimilation system

Economic benefits of weather forecasting in some Member States of ECMWF

Evaluation of the gridpoint model and the new spectral model for the period 2 April to 20 April 1983

A multi-tasking Numerical Weather Prediction model

Surface temperatures May 1982 - June 1983

Plotting of ECMWF forecast products in some Member States

A synoptic analysis of cyclones in ECMWF analyses and forecasts for winter season of 1980-81, 1981-82

A simple memory manager

On the use of observation error data in FGGE main level III-b analysis

Report on the third meeting of Member State Computing Representatives 18-20 May 1983

Numerical experiments on the seasonal transition of the general circulation over Asia in summer 1979

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