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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

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

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

Rationale for a new physically-based parametrization of subgrid-scale orographic effects

Author

P.G. Baines

T.N. Palmer

1990, Technical memorandum, ECMWF Technical Memoranda

File

7875-rationale-new-physically-based-parametrization-subgrid-scale-orographic-effects.pdf

The sensitivity of the ECMWF model to the parametrization of evaporation from the tropical oceans

Author

Anton Beljaars

M.J. Miller

1990, Technical memorandum, ECMWF Technical Memoranda

File

8040-sensitivity-ecmwf-model-parametrization-evaporation-tropical-oceans.pdf

Use of reduced Gaussian grids in spectral models

Author

M. Hortal

Adrian Simmons

1990, Technical memorandum, ECMWF Technical Memoranda

File

10025-use-reduced-gaussian-grids-spectral-models.pdf

The impact of North Atlantic tempship radiosonde data on the ECMWF analysis and forecast

Author

J. Pailleux

1990, Technical memorandum, ECMWF Technical Memoranda

File

11469-impact-north-atlantic-tempship-radiosonde-data-ecmwf-analysis-and-forecast.pdf

The decrease of the systematic error and the increased predictability of the long waves in the ECMWF model

Author

R. Mureau

1990, Technical memorandum, ECMWF Technical Memoranda

File

11322-decrease-systematic-error-and-increased-predictability-long-waves-ecmwf-model.pdf

Report on meeting on ECMWF Wide Area Network security, 1 December 1989

Author

P. Prior

1990, Technical memorandum, ECMWF Technical Memoranda

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

Author

Laura Ferranti

T.N. Palmer

Franco Molteni

E. Klinker

1989, Technical memorandum, ECMWF Technical Memoranda

File

74461-tropical-extratropical-interaction-associated-30-60-day-oscillation-and-its-impact-medium-and.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

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

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

Author

Erik Andersson

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

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

Author

J-F. Flobert

Erik Andersson

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

Erik Andersson

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

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

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

Search ECMWF publications

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Development of a variational assimilation system

Clouds and radiation.

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

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

Rationale for a new physically-based parametrization of subgrid-scale orographic effects

The sensitivity of the ECMWF model to the parametrization of evaporation from the tropical oceans

Use of reduced Gaussian grids in spectral models

The impact of North Atlantic tempship radiosonde data on the ECMWF analysis and forecast

The decrease of the systematic error and the increased predictability of the long waves in the ECMWF model

Report on meeting on ECMWF Wide Area Network security, 1 December 1989

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

Software organization of the variational analysis: Format of observations

Description of the radiation scheme in the ECMWF model

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

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

Quality control of NESDIS physical retrievals of TOVS satellite data

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

Evaluation and development of the ECMWF humidity analysis

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