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A new hybrid formulation for the background error covariance in the IFS: evaluation

Author

Sebastien Massart

2019, Technical memorandum, ECMWF Technical Memoranda

File

19340-new-hybrid-formulation-background-error-covariance-ifs-evaluation.pdf

Evaluation of ECMWF forecasts, including the 2019 upgrade

Author

Thomas Haiden

Martin Janousek

Frédéric Vitart

Laura Ferranti

Fernando Prates

2019, Technical memorandum, ECMWF Technical Memoranda

File

19277-evaluation-ecmwf-forecasts-including-2019-upgrade.pdf

An Overview of Convective Available Potential Energy and Convective Inhibition provided by NWP models for operational forecasting

Author

orcid.org/0000-0002-4223-5831 Groenemeijer

orcid.org/0000-0002-4983-0449 Púcik

Ivan Tsonevsky

Peter Bechtold

2019, Technical memorandum, ECMWF Technical Memoranda

File

19278-overview-convective-available-potential-energy-and-convective-inhibition-provided-nwp-models.pdf

Extended-range prediction

Author

Frédéric Vitart

Magdalena Alonso-Balmaseda

Junchen Yao

2019, Technical memorandum, ECMWF Technical Memoranda

File

19286-extended-range-prediction.pdf

ECMWF Severe Event Catalogue for Evaluation of Multi-scale Prediction of Extreme Weather

Author

L. Magnusson

2019, Technical memorandum, ECMWF Technical Memoranda

File

19230-ecmwf-severe-event-catalogue-evaluation-multi-scale-prediction-extreme-weather.pdf

Dry mass versus total mass conservation in the IFS

Author

S. Malardel

M. Diamantakis

Agusti Panareda

Johannes Flemming

2019, Technical memorandum, ECMWF Technical Memoranda

File

19114-dry-mass-versus-total-mass-conservation-ifs.pdf

WIGOS Data Quality Monitoring System at ECMWF

Author

Crtistina Prates

Erik Andersson

Thomas Haiden

2019, Technical memorandum, ECMWF Technical Memoranda

File

19133-wigos-data-quality-monitoring-system-ecmwf.pdf

Control on stratospheric temperature in IFS: resolution and vertical advection

Author

Sylvie Malardel

Filip Vána

2019, Technical memorandum, ECMWF Technical Memoranda

File

19084-control-stratospheric-temperature-ifs-resolution-and-vertical-advection.pdf

Emission optimisations first attempt based on Ensemble of DA for atmospheric composition

Author

J. Barré

Sebastien Massart

Melanie Ades

Luke Jones

Richard Engelen

2019, Technical memorandum, ECMWF Technical Memoranda

File

19085-emission-optimisations-first-attempt-based-ensemble-da-atmospheric-composition.pdf

An Assessment of the use of observations in the Arctic at ECMWF

Author

Heather Lawrence

Jacky Goddard

2019, Technical memorandum, ECMWF Technical Memoranda

File

18925-assessment-use-observations-arctic-ecmwf.pdf

Use and Verification of ECMWF Products in Member and Co-operating States (2018)

Author

Tim Hewson

2019, Technical memorandum, ECMWF Technical Memoranda

File

18911-use-and-verification-ecmwf-products-member-and-co-operating-states-2018.pdf

Towards Improved Sea Ice Initialization and Forecasting with the IFS

Author

Beena Balan-Sarojini

Steffen Tietsche

Michael Mayer

Magdalena Alonso-Balmaseda

Hao Zuo

2019, Technical memorandum, ECMWF Technical Memoranda

File

18918-towards-improved-sea-ice-initialization-and-forecasting-ifs.pdf

Use of ERA5 to Initialize Ensemble Re-forecasts

Author

Magdalena Alonso-Balmaseda

2019, Technical memorandum, ECMWF Technical Memoranda

File

18872-use-era5-initialize-ensemble-re-forecasts.pdf

Assimilation of SMOS brightness temperatures in the ECMWF IFS

Author

J. Munoz-Sabater

H. Lawrence

C. Albergel

Patricia de Rosnay

L. Isaksen

S. Mecklenburg

Y. Kerr

M. Drusch

2019, Technical memorandum, ECMWF Technical Memoranda

File

18897-assimilation-smos-brightness-temperatures-ecmwf-ifs.pdf

Weakly coupled ocean-atmosphere data assimilation in the ECMWF NWP system

Author

Andrew Bennett

2019, Technical memorandum, ECMWF Technical Memoranda

File

18814-weakly-coupled-ocean-atmosphere-data-assimilation-ecmwf-nwp-system.pdf

Global observing system experiments in the ECMWF assimilation system

Author

Niels Bormann

Heather Lawrence

Jacqueline Farnan

2019, Technical memorandum, ECMWF Technical Memoranda

File

18859-global-observing-system-experiments-ecmwf-assimilation-system.pdf

Monitoring and assimilation of early TROPOMI total column carbon monoxide data in the CAMS system

Author

Antje Inness

Ilse Alben

Anna Agusti-Panareda

Tobias Borsdoff

Johannes Flemming

Jochen Landgraf

Roberto Ribas

2019, Technical memorandum, ECMWF Technical Memoranda

File

18861-monitoring-and-assimilation-early-tropomi-total-column-carbon-monoxide-data-cams-system.pdf

Observing system experiments with the 3D-Var assimilation system

Author

P. Undén

G.A. Kelly

D. Le Meur

L. Isaksen

1997, Technical memorandum, ECMWF Technical Memoranda

File

12870-observing-system-experiments-3d-var-assimilation-system.pdf

Simulation of fog with the ECMWF prognostic cloud scheme

Author

J. Teixeira

1997, Technical memorandum, ECMWF Technical Memoranda

File

12585-simulation-fog-ecmwf-prognostic-cloud-scheme.pdf

Recent experimentation on 4D-Var and first results from a Simplified Kalman Filter

Author

Florence Rabier

J.-F. Mahfouf

Mike Fisher

H Järvinen

Adrian Simmons

Erik Andersson

F. Bouttier

P. Courtier

M. Hamrud

J. Haseler

A. Hollingsworth

L. Isaksen

E. Klinker

S. Saarinen

C. Temperton

Jean-Noël Thépaut

P. Undén

Drasko Vasiljevic

1997, Technical memorandum, ECMWF Technical Memoranda

File

11798-recent-experimentation-4d-var-and-first-results-simplified-kalman-filter.pdf

Report on the Tenth meeting of Member State Computing Representatives, 7-8 October 1997

Author

A. Lea

1997, Technical memorandum, ECMWF Technical Memoranda

Observation screening and background quality control in the ECMWF 3D-Var data assimilation system

Author

H Järvinen

P. Undén

1997, Technical memorandum, ECMWF Technical Memoranda

File

10352-observation-screening-and-background-quality-control-ecmwf-3d-var-data-assimilation-system.pdf

A modified set up of the advection scheme in the ECMWF wave model

Author

Jean-Raymond Bidlot

Peter Janssen

B. Hansen

H. Günther

1997, Technical memorandum, ECMWF Technical Memoranda

File

8232-modified-set-advection-scheme-ecmwf-wave-model.pdf

Effect of surface gravity waves on the heat flux

Author

Peter Janssen

1997, Technical memorandum, ECMWF Technical Memoranda

File

10190-effect-surface-gravity-waves-heat-flux.pdf

Search ECMWF publications

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A new hybrid formulation for the background error covariance in the IFS: evaluation

Evaluation of ECMWF forecasts, including the 2019 upgrade

An Overview of Convective Available Potential Energy and Convective Inhibition provided by NWP models for operational forecasting

Extended-range prediction

ECMWF Severe Event Catalogue for Evaluation of Multi-scale Prediction of Extreme Weather

Dry mass versus total mass conservation in the IFS

WIGOS Data Quality Monitoring System at ECMWF

Control on stratospheric temperature in IFS: resolution and vertical advection

Emission optimisations first attempt based on Ensemble of DA for atmospheric composition

An Assessment of the use of observations in the Arctic at ECMWF

Use and Verification of ECMWF Products in Member and Co-operating States (2018)

Towards Improved Sea Ice Initialization and Forecasting with the IFS

Use of ERA5 to Initialize Ensemble Re-forecasts

Assimilation of SMOS brightness temperatures in the ECMWF IFS

Weakly coupled ocean-atmosphere data assimilation in the ECMWF NWP system

Global observing system experiments in the ECMWF assimilation system

Monitoring and assimilation of early TROPOMI total column carbon monoxide data in the CAMS system

Observing system experiments with the 3D-Var assimilation system

Simulation of fog with the ECMWF prognostic cloud scheme

Recent experimentation on 4D-Var and first results from a Simplified Kalman Filter

Report on the Tenth meeting of Member State Computing Representatives, 7-8 October 1997

Observation screening and background quality control in the ECMWF 3D-Var data assimilation system

A modified set up of the advection scheme in the ECMWF wave model

Effect of surface gravity waves on the heat flux

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