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Showing 1 - 24 of 114 results

X 1989

Atmospheric effective angular momentum functions for 1986-1987

Author

G. Sakellarides

1989, Report

File

12065-atmospheric-effective-angular-momentum-functions-1986-1987.pdf

Data assimilation and anomalous lows

Author

W.A. Heckley

1989, Technical memorandum, ECMWF Technical Memoranda

File

9825-data-assimilation-and-anomalous-lows.pdf

Design of a variational analysis: Organisation and main scientific points. Computation of the distance to the observations

Author

J. Pailleux

1989, Technical memorandum, ECMWF Technical Memoranda

File

11468-design-variational-analysis-organisation-and-main-scientific-points-computation-distance.pdf

A verification study of the global WAM model December 1987 - November 1988

Author

L. Zambresky

1989, Report

File

13201-verification-study-global-wam-model-december-1987-november-1988.pdf

Extended-range predictions with ECMWF models. II. Influence of horizontal resolution on systematic error and forecast skill

Author

S. Tibaldi

T.N. Palmer

C. Brankovic

U. Cubasch

1989, Technical memorandum, ECMWF Technical Memoranda

File

12719-extended-range-predictions-ecmwf-models-ii-influence-horizontal-resolution-systematic-error.pdf

Extended-range predictions with ECMWF models. III: Time-lagged ensemble forecasting

Author

C. Brankovic

T.N. Palmer

Franco Molteni

U. Cubasch

1989, Technical memorandum, ECMWF Technical Memoranda

File

8371-extended-range-predictions-ecmwf-models-iii-time-lagged-ensemble-forecasting.pdf

Tropical-extratropical interaction associated with the 30-60 day oscillation and its impacton medium and extended range predictability

Author

T.N. Palmer

Franco Molteni

E. Klinker

1989, Technical memorandum, ECMWF Technical Memoranda

File

9372-tropical-extratropical-interaction-associated-30-60-day-oscillation-and-its-impacton-medium-and.pdf

Extended-range predictions with ECMWF models. I. Interannual variability in operational model integrations

Author

T.N. Palmer

C. Brankovic

U. Cubasch

1989, Technical memorandum, ECMWF Technical Memoranda

File

11540-extended-range-predictions-ecmwf-models-i-interannual-variability-operational-model.pdf

First studies with a prognostic cloud generation scheme

Author

H. Le Treut

1989, Technical memorandum, ECMWF Technical Memoranda

File

10675-first-studies-prognostic-cloud-generation-scheme.pdf

Synoptic characteristics of the ECMWF Chernobyl data set

Author

A. Rubli

1989, Technical memorandum, ECMWF Technical Memoranda

File

12023-synoptic-characteristics-ecmwf-chernobyl-data-set.pdf

Report on fifth meeting of Member State Computing Representatives, 11-14 April 1989

Author

D. Maretis

1989, Technical memorandum, ECMWF Technical Memoranda

File

10972-report-fifth-meeting-member-state-computing-representatives-11-14-april-1989.pdf

Changes in the ECMWF analysis-forecasting scheme and the systematic error of the model

Author

K Arpe

1989, Technical memorandum, ECMWF Technical Memoranda

File

7812-changes-ecmwf-analysis-forecasting-scheme-and-systematic-error-model.pdf

Evaluation and development of the ECMWF humidity analysis

Author

Z. Zhang

J. Pailleux

G.A. Kelly

1989, Technical memorandum, ECMWF Technical Memoranda

File

13207-evaluation-and-development-ecmwf-humidity-analysis.pdf

Research and operational developments related to the use of satellite data in the ECMWF assimilations system

Author

J. Pailleux

G.A. Kelly

A. Hollingsworth

P. Lönnberg

Z. Zhang

J-F. Flobert

1989, Technical memorandum, ECMWF Technical Memoranda

File

11481-research-and-operational-developments-related-use-satellite-data-ecmwf-assimilations-system.pdf

Data assimilation and forecast experiment at ECMWF using the '3I' retrieval scheme for satellite soundings

Author

J-F. Flobert

A. Chedin

G.A. Kelly

J. Pailleux

N.A. Scott

1989, Technical memorandum, ECMWF Technical Memoranda

File

9430-data-assimilation-and-forecast-experiment-ecmwf-using-3i-retrieval-scheme-satellite-soundings.pdf

Quality control of NESDIS physical retrievals of TOVS satellite data

Author

G.A. Kelly

A. Hollingsworth

P. Lönnberg

J. Pailleux

Z. Zhang

1989, Technical memorandum, ECMWF Technical Memoranda

File

10432-quality-control-nesdis-physical-retrievals-tovs-satellite-data.pdf

Observing system experiments on NESDIS statistical retrievals of TOVS data using the 1988 ECMWF data assimilation system

Author

A. Hollingsworth

G.A. Kelly

P. Lönnberg

J. Pailleux

Z. Zhang

1989, Technical memorandum, ECMWF Technical Memoranda

File

7755-observing-system-experiments-nesdis-statistical-retrievals-tovs-data-using-1988-ecmwf-data.pdf

Description of the radiation scheme in the ECMWF model

Author

J.-J. Morcrette

1989, Technical memorandum, ECMWF Technical Memoranda

File

11234-description-radiation-scheme-ecmwf-model.pdf

Impact of a change of radiation transfer scheme in the ECMWF model

Author

J.-J. Morcrette

1989, Report

File

11238-impact-change-radiation-transfer-scheme-ecmwf-model.pdf

Software organization of the variational analysis: Format of observations

Author

J. Pailleux

P. Undén

1989, Technical memorandum, ECMWF Technical Memoranda

File

11482-software-organization-variational-analysis-format-observations.pdf

Current status of data quality control procedures in the Singapore Meteorological Service

Author

Ling Chin

1989, Conference Paper, WMO/ECMWF Workshop on Data Quality Control Procedures, 6-10 March 1989

File

75408-current-status-data-quality-control-procedures-singapore-meteorological-service.pdf

Databases at the UK Met. Office

Author

C.T. Little

1989, Conference Paper, Second Workshop on Meteorological Operational Systems, 4-8 December 1989

File

75414-databases-uk-met-office.pdf

Strategies for assimilating sounding information

Author

A. Lorenc

1989, Conference Paper, ECMWF/EUMETSAT Workshop on The Use of Satellite Data in Operational Numerical Weather Prediction: 1989-1993, 9-12 May 1989, ECMWF/EUMETSAT Workshop

File

75458-strategies-assimilating-sounding-information.pdf

Effects of analysis and model errors on routine weather forecasts

Author

E.N. Lorenz

1989, Conference Paper, Seminar on 10 years of Medium-range Weather Forecasting, 4-8 September 1989

File

75463-effects-analysis-and-model-errors-routine-weather-forecasts.pdf