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Estimating background-error variances with the ECMWF Ensemble of Data Assimilations system: the effect of ensemble size and day-to-day variability

Author

Massimo Bonavita

L. Raynaud

L. Isaksen

2010, Technical memorandum, ECMWF Technical Memoranda

File

8268-estimating-background-error-variances-ecmwf-ensemble-data-assimilations-system-effect-ensemble.pdf

The evolution of the ECMWF hybrid data assimilation system

Author

Massimo Bonavita

E. Hólm

L. Isaksen

Mike Fisher

2014, Technical memorandum, ECMWF Technical Memoranda

File

8271-evolution-ecmwf-hybrid-data-assimilation-system.pdf

Jason-2 OGDR Wind and wave products: random error estimation

Author

Saleh Abdalla

Peter Janssen

Jean-Raymond Bidlot

2010, Technical memorandum, ECMWF Technical Memoranda

File

7628-jason-2-ogdr-wind-and-wave-products-random-error-estimation.pdf

The TIGGE global, medium-range ensembles

Author

Roberto Buizza

2014, Technical memorandum, ECMWF Technical Memoranda

File

7529-tigge-global-medium-range-ensembles.pdf

Data assimilation of satellite retrieved ozone, carbon monoxide and nitrogen dioxide with ECMWF's Composition-IFS

Author

Antje Inness

A.-M. Blechschmidt

I. Bouarar

other authors

2014, Technical memorandum, ECMWF Technical Memoranda

File

7595-data-assimilation-satellite-retrieved-ozone-carbon-monoxide-and-nitrogen-dioxide-ecmwfs.pdf

Forecast quality assessment of the ENSEMBLES seasonal-to-decadal Stream 2 hindcasts

Author

F. Doblas-Reyes

Antje Weisheimer

T.N. Palmer

J. Murphy

D.M. Smith

2010, Technical memorandum, ECMWF Technical Memoranda

File

9071-forecast-quality-assessment-ensembles-seasonal-decadal-stream-2-hindcasts.pdf

Decadal climate prediction with the ECMWF coupled forecast system: Impact of ocean observations

Author

F. Doblas-Reyes

Magdalena Alonso-Balmaseda

Antje Weisheimer

T.N. Palmer

2010, Technical memorandum, ECMWF Technical Memoranda

File

9078-decadal-climate-prediction-ecmwf-coupled-forecast-system-impact-ocean-observations.pdf

Direct 4D-Var assimilation of all-sky radiances. Part I: Implementation

Author

Peter Bauer

Alan Geer

Philippe Lopez

Deborah Salmond

2010, Technical memorandum, ECMWF Technical Memoranda

File

7987-direct-4d-var-assimilation-all-sky-radiances-part-i-implementation.pdf

The role of shallow convection in ECMWF's Integrated Forecasting System

Author

Peter Bechtold

Irina Sandu

D. Klocke

N. Semane

Maike Ahlgrimm

Anton Beljaars

Richard Forbes

Mark Rodwell

2014, Technical memorandum, ECMWF Technical Memoranda

File

8016-role-shallow-convection-ecmwfs-integrated-forecasting-system.pdf

Representing model error in ensemble data assimilation

Author

Carla Cardinali

N. Zagar

G. Radnóti

Roberto Buizza

2014, Technical memorandum, ECMWF Technical Memoranda

File

8589-representing-model-error-ensemble-data-assimilation.pdf

Assessment of FY-3A and FY-3B MWHS observations

Author

K. Chen

S.J. English

Niels Bormann

J. Zhu

2014, Technical memorandum, ECMWF Technical Memoranda

File

8663-assessment-fy-3a-and-fy-3b-mwhs-observations.pdf

Impact of truncation on variable resolution forecasts

Author

Roberto Buizza

2010, Technical memorandum, ECMWF Technical Memoranda

File

8431-impact-truncation-variable-resolution-forecasts.pdf

Horizontal resolution impact on short- and long-range forecast error

Author

Roberto Buizza

2010, Technical memorandum, ECMWF Technical Memoranda

File

8432-horizontal-resolution-impact-short-and-long-range-forecast-error.pdf

Soil temperature at ECMWF: an assessment using ground-based observations

Author

C. Albergel

J. Munoz-Sabater

Thomas Haiden

Gianpaolo Balsamo

Anton Beljaars

L. Isaksen

Patricia de Rosnay

Irina Sandu

Nils Wedi

2014, Technical memorandum, ECMWF Technical Memoranda

File

8533-soil-temperature-ecmwf-assessment-using-ground-based-observations.pdf

The ECMWF-MyOcean2 eddy-permitting ocean and sea-ice reanalysis ORAP5. Part 1: Implementation

Author

Hao Zuo

Magdalena Alonso-Balmaseda

Kristian Mogensen

2014, Technical memorandum, ECMWF Technical Memoranda

File

13224-ecmwf-myocean2-eddy-permitting-ocean-and-sea-ice-reanalysis-orap5-part-1-implementation.pdf

Sensitivity of L-Band NWP forward modelling to soil roughness

Author

J.M. Sabater

Patricia de Rosnay

Gianpaolo Balsamo

2010, Technical memorandum, ECMWF Technical Memoranda

File

13284-sensitivity-l-band-nwp-forward-modelling-soil-roughness.pdf

Tropospheric Chemistry in the Integrated Forecasting System of ECMWF

Author

Johannes Flemming

V. Huijnen

J. Arteta

Peter Bechtold

Anton Beljaars

A-M. Blechschmidt

Michail Diamantakis

Richard Engelen

A. Gaude

Antje Inness

Luke Jones

V.-H. Peuch

M.G. Schulz

O. Stein

A. Tsikerdekis

2014, Technical memorandum, ECMWF Technical Memoranda

File

9426-tropospheric-chemistry-integrated-forecasting-system-ecmwf.pdf

Forecasts and assimilation experiments of the Antarctic Ozone Hole 2008

Author

Johannes Flemming

Antje Inness

Luke Jones

H. Eskes

V. Huijnen

D. Kinnison

M.G. Schultz

O. Stein

D. Cariolle

G.P. Brasseur

2010, Technical memorandum, ECMWF Technical Memoranda

File

9428-forecasts-and-assimilation-experiments-antarctic-ozone-hole-2008.pdf

Calibration of medium-range weather forecasts

Author

T Gneiting

2014, Technical memorandum, ECMWF Technical Memoranda

File

9607-calibration-medium-range-weather-forecasts.pdf

ECMWF forecast performance during the June 2013 flood in Central Europe

Author

Thomas Haiden

L. Alfieri

C. Albergel

S. Malardel

2014, Technical memorandum, ECMWF Technical Memoranda

File

9731-ecmwf-forecast-performance-during-june-2013-flood-central-europe.pdf

Comparison of ODYSSEY precipitation composites to SYNOP rain gauges and ECMWF model

Author

Philippe Lopez

2014, Technical memorandum, ECMWF Technical Memoranda

File

10792-comparison-odyssey-precipitation-composites-synop-rain-gauges-and-ecmwf-model.pdf

Comparison of NCEP Stage IV precipitation composites with ECMWF model

Author

Philippe Lopez

2014, Technical memorandum, ECMWF Technical Memoranda

File

10793-comparison-ncep-stage-iv-precipitation-composites-ecmwf-model.pdf

Direct 4D-Var assimilation of NCEP Stage IV radar and gauge precipitation data at ECMWF

Author

Philippe Lopez

2010, Technical memorandum, ECMWF Technical Memoranda

File

10805-direct-4d-var-assimilation-ncep-stage-iv-radar-and-gauge-precipitation-data-ecmwf.pdf

A principal component based version of the RTTOV fast radiative transfer model.

Author

Marco Matricardi

2010, Technical memorandum, ECMWF Technical Memoranda

File

11026-principal-component-based-version-rttov-fast-radiative-transfer-model.pdf

Search ECMWF publications

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Estimating background-error variances with the ECMWF Ensemble of Data Assimilations system: the effect of ensemble size and day-to-day variability

The evolution of the ECMWF hybrid data assimilation system

Jason-2 OGDR Wind and wave products: random error estimation

The TIGGE global, medium-range ensembles

Data assimilation of satellite retrieved ozone, carbon monoxide and nitrogen dioxide with ECMWF's Composition-IFS

Forecast quality assessment of the ENSEMBLES seasonal-to-decadal Stream 2 hindcasts

Decadal climate prediction with the ECMWF coupled forecast system: Impact of ocean observations

Direct 4D-Var assimilation of all-sky radiances. Part I: Implementation

The role of shallow convection in ECMWF's Integrated Forecasting System

Representing model error in ensemble data assimilation

Assessment of FY-3A and FY-3B MWHS observations

Impact of truncation on variable resolution forecasts

Horizontal resolution impact on short- and long-range forecast error

Soil temperature at ECMWF: an assessment using ground-based observations

The ECMWF-MyOcean2 eddy-permitting ocean and sea-ice reanalysis ORAP5. Part 1: Implementation

Sensitivity of L-Band NWP forward modelling to soil roughness

Tropospheric Chemistry in the Integrated Forecasting System of ECMWF

Forecasts and assimilation experiments of the Antarctic Ozone Hole 2008

Calibration of medium-range weather forecasts

ECMWF forecast performance during the June 2013 flood in Central Europe

Comparison of ODYSSEY precipitation composites to SYNOP rain gauges and ECMWF model

Comparison of NCEP Stage IV precipitation composites with ECMWF model

Direct 4D-Var assimilation of NCEP Stage IV radar and gauge precipitation data at ECMWF

A principal component based version of the RTTOV fast radiative transfer model.

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