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Ensemble of data assimilations at ECMWF

Author

L. Isaksen

Massimo Bonavita

Roberto Buizza

Mike Fisher

J. Haseler

Martin Leutbecher

Laure Raynaud

2010, Technical memorandum, ECMWF Technical Memoranda

File

10125-ensemble-data-assimilations-ecmwf.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

ECMWF study on the impact of future developments of the space-based observing system on Numerical Weather Prediction

Author

G. Radnóti

Peter Bauer

A. McNally

Carla Cardinali

Sean Healy

Patricia de Rosnay

2010, Technical memorandum, ECMWF Technical Memoranda

File

11815-ecmwf-study-impact-future-developments-space-based-observing-system-numerical-weather.pdf

Verification statistics and evaluations of ECMWF forecasts in 2009-2010.

Author

A Ghelli

F. Prates

2010, Technical memorandum, ECMWF Technical Memoranda

File

11920-verification-statistics-and-evaluations-ecmwf-forecasts-2009-2010.pdf

Developments in diagnostics research

Author

T. Jung

P. Berrisford

Carla Cardinali

Franco Molteni

Magdalena Alonso-Balmaseda

Gianpaolo Balsamo

Massimo Bonavita

Roberto Buizza

Mohamed Dahoui

Anotonio Garcia-Mendez

Martin Leutbecher

Philippe Lopez

Y. Trémolet

Frédéric Vitart

2010, Technical memorandum, ECMWF Technical Memoranda

File

11984-developments-diagnostics-research.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

Ocean wave effects on the daily cycle in STT

Author

Peter Janssen

2010, Technical memorandum, ECMWF Technical Memoranda

File

10212-ocean-wave-effects-daily-cycle-stt.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

An initial evaluation of FY-3A satellite data

Author

W. Bell

Peter Bauer

Niels Bormann

C. Peubey

2010, Technical memorandum, ECMWF Technical Memoranda

File

10853-initial-evaluation-fy-3a-satellite-data.pdf

Assessment of the real-time fire emissions (GFASv0) by MACC

Author

A. Heil

J. Kaiser

G.R. van der Werf

M.J. Wooster

M.G. Schultz

H.D. van der Gon

2010, Technical memorandum, ECMWF Technical Memoranda

File

9842-assessment-real-time-fire-emissions-gfasv0-macc.pdf

Assimilation of scatterometer data as equivalent-neutral wind

Author

Hans Hersbach

2010, Technical memorandum, ECMWF Technical Memoranda

File

9874-assimilation-scatterometer-data-equivalent-neutral-wind.pdf

Sea-surface roughness and drag coefficient as function of neutral wind speed

Author

Hans Hersbach

2010, Technical memorandum, ECMWF Technical Memoranda

File

9875-sea-surface-roughness-and-drag-coefficient-function-neutral-wind-speed.pdf

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

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

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

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

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

Improved middle atmosphere climate and forecasts in the ECMWF model through a non-orographic gravity wave drag parametrization

Author

A. Orr

Peter Bechtold

J. Scinocca

M. Ern

Marta Janiskova

2010, Technical memorandum, ECMWF Technical Memoranda

File

11450-improved-middle-atmosphere-climate-and-forecasts-ecmwf-model-through-non-orographic-gravity.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

Direct 4D-Var assimilation of all-sky radiances. Part II: Assessment

Author

Alan Geer

Peter Bauer

Philippe Lopez

2010, Technical memorandum, ECMWF Technical Memoranda

File

9512-direct-4d-var-assimilation-all-sky-radiances-part-ii-assessment.pdf

Enhanced use of all-sky microwave observations sensitive to water vapour, cloud and precipitation

Author

Alan Geer

Peter Bauer

2010, Technical memorandum, ECMWF Technical Memoranda

File

9518-enhanced-use-all-sky-microwave-observations-sensitive-water-vapour-cloud-and-precipitation.pdf

The ECMWF model climate: Recent progress through improved physical parametrizations

Author

T. Jung

Peter Bechtold

Anton Beljaars

M. Köhler

M.J. Miller

J.-J. Morcrette

A. Orr

Mark Rodwell

A.M. Tompkins

2010, Technical memorandum, ECMWF Technical Memoranda

File

10317-ecmwf-model-climate-recent-progress-through-improved-physical-parametrizations.pdf

Implementation of an ocean mixed layer model in IFS

Author

Y Takaya

Frédéric Vitart

Gianpaolo Balsamo

Magdalena Alonso-Balmaseda

Martin Leutbecher

Franco Molteni

2010, Technical memorandum, ECMWF Technical Memoranda

File

12540-implementation-ocean-mixed-layer-model-ifs.pdf

A new equitable score suitable for verifying precipitation in NWP

Author

Mark Rodwell

David Richardson

Tim Hewson

2010, Technical memorandum, ECMWF Technical Memoranda

File

11988-new-equitable-score-suitable-verifying-precipitation-nwp.pdf

Search ECMWF publications

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Ensemble of data assimilations at ECMWF

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

ECMWF study on the impact of future developments of the space-based observing system on Numerical Weather Prediction

Verification statistics and evaluations of ECMWF forecasts in 2009-2010.

Developments in diagnostics research

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

Ocean wave effects on the daily cycle in STT

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

An initial evaluation of FY-3A satellite data

Assessment of the real-time fire emissions (GFASv0) by MACC

Assimilation of scatterometer data as equivalent-neutral wind

Sea-surface roughness and drag coefficient as function of neutral wind speed

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

Sensitivity of L-Band NWP forward modelling to soil roughness

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

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

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

Improved middle atmosphere climate and forecasts in the ECMWF model through a non-orographic gravity wave drag parametrization

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

Direct 4D-Var assimilation of all-sky radiances. Part II: Assessment

Enhanced use of all-sky microwave observations sensitive to water vapour, cloud and precipitation

The ECMWF model climate: Recent progress through improved physical parametrizations

Implementation of an ocean mixed layer model in IFS

A new equitable score suitable for verifying precipitation in NWP

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