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A simplified Extended Kalman Filter for the global operational soil moisture analysis at ECMWF

Author

Patricia de Rosnay

M. Drusch

Drasko Vasiljevic

Gianpaolo Balsamo

C. Albergel

L. Isaksen

2012, Technical memorandum, ECMWF Technical Memoranda

File

13240-simplified-extended-kalman-filter-global-operational-soil-moisture-analysis-ecmwf.pdf

Addressing near-surface forecast biases: outcomes of the ECMWF project 'Understanding uncertainties in surface atmosphere exchange' (USURF)

Author

Irina Sandu

Thomas Haiden

Gianpaolo Balsamo

Polly Schmederer

Gabriele Arduini

Anton Beljaars

Souhail Boussetta

2020, Technical memorandum, ECMWF Technical Memoranda

File

19849-addressing-near-surface-forecast-biases-outcomes-ecmwf-project-understanding-uncertainties.pdf

Characterising the FY-3A microwave temperature sounder using the ECMWF model

Author

Qifeng Lu

W. Bell

Peter Bauer

Niels Bormann

C. Peubey

2011, Technical memorandum, ECMWF Technical Memoranda

File

10852-characterising-fy-3a-microwave-temperature-sounder-using-ecmwf-model.pdf

The NEMOVAR ocean data assimilation system as implemented in the ECMWF ocean analysis for System 4

Author

Kristian Mogensen

Weaver Balmaseda

2012, Technical memorandum, ECMWF Technical Memoranda

File

11174-nemovar-ocean-data-assimilation-system-implemented-ecmwf-ocean-analysis-system-4.pdf

A positive definite tracer mass fixer for high resolution weather and atmospheric composition forecasts

Author

Michail Diamantakis

Anna Agusti-Panareda

2017, Technical memorandum, ECMWF Technical Memoranda

File

17914-positive-definite-tracer-mass-fixer-high-resolution-weather-and-atmospheric-composition.pdf

Use of in situ observations to verify the diurnal cycle of sea surface temperature in ECMWF coupled model forecasts

Author

D. Salisbury

Kristian Mogensen

G. Balsamo

2018, Technical memorandum, ECMWF Technical Memoranda

File

18745-use-situ-observations-verify-diurnal-cycle-sea-surface-temperature-ecmwf-coupled-model.pdf

Towards optimal parameters for the prediction of near surface temperature and dewpoint

Author

Anton Beljaars

2020, Technical memorandum, ECMWF Technical Memoranda

File

19618-towards-optimal-parameters-prediction-near-surface-temperature-and-dewpoint.pdf

Evaluation of biases and skill of ECMWF Summer sub-seasonal forecasts in the Northern Hemisphere

Author

Frederico Johannsen

Linus Magnusson

Emanuel Dutra

2020, Technical memorandum, ECMWF Technical Memoranda

File

19805-evaluation-biases-and-skill-ecmwf-summer-sub-seasonal-forecasts-northern-hemisphere.pdf

Task 1.1 Evaluation of initial future EPS-Sterna constellations with 50 and 183 GHz

Author

Katie Lean

Niels Bormann

Sean Healy

2023, Report, Eumetsat Contract Report

File

81511-task-1-1-evaluation-of-initial-future-eps-sterna-constellations-with-50-and-183-ghz.pdf

CMOD5.N: A C-band geophysical model function for equivalent neutral wind.

Author

Hans Hersbach

2008, Technical memorandum, ECMWF Technical Memoranda

File

9873-cmod5n-c-band-geophysical-model-function-equivalent-neutral-wind.pdf

Forecasting tropical cyclone landfall using ECMWF's seasonal forecasts from System 4

Author

D.L. Bergman

L. Magnusson

J. Nilsson

Frédéric Vitart

2017, Technical memorandum, ECMWF Technical Memoranda

File

17679-forecasting-tropical-cyclone-landfall-using-ecmwfs-seasonal-forecasts-system4.pdf

Evaluation and diagnostics of the CERA-20C climate reanalysis ensemble

Author

P. Dahlgren

2018, Technical memorandum, ECMWF Technical Memoranda

File

17932-evaluation-and-diagnostics-cera-20c-climate-reanalysis-ensemble.pdf

Implementation of a CAMS-based aerosol climatology in the IFS

Author

S. Remy

Johannes Flemming

J.-J. Morcrette

2017, Technical memorandum, ECMWF Technical Memoranda

File

17219-implementation-cams-based-aerosol-climatology-ifs.pdf

Final Technical Note of 'Impact assessment of commercial GNSS-RO data'

Author

Katrin Lonitz

C. Marquardt

Neill Bowler

Sean Healy

2021, Report, ESA Contract Report 4000131086/20/NL/FF/a

File

20240-final-technical-note-impact-assessment-commercial-gnss-ro-data.pdf

Comparing Arctic winter sea-ice thickness from SMOS and ORAS5

Author

Steffen Tietsche

Magdalena Alonso-Balmaseda

Hao Zuo

Patricia de Rosnay

2017, Technical memorandum, ECMWF Technical Memoranda

File

17275-comparing-arctic-winter-sea-ice-thickness-smos-and-oras5.pdf

WP1/WP2 breakout discussions

Author

ERA -CLIM2

2015, Presentation

File

14732-wp1wp2-breakout-discussions.pdf

An evaluation of radiative transfer modelling errors in AMSU-A data

Author

Cristina Lupu

Alan Geer

Niels Bormann

Stephen English

2016, Technical memorandum, ECMWF Technical Memoranda

File

16711-evaluation-radiative-transfer-modelling-errors-amsu-data.pdf

An evaluation of FY-3C MWRI and Assessment of the long-term quality of FY-3C MWHS-2 at ECMWF and the Met Office

Author

Heather Lawrence

F. Carminati

W. Bell

Niels Bormann

S. Newman

Nigel Atkinson

Alan Geer

S. Migliorini

Qifeng Lu

K. Chen

2017, Technical memorandum, ECMWF Technical Memoranda

File

17206-evaluation-fy-3c-mwri-and-assessment-long-term-quality-fy-3c-mwhs-2-ecmwf-and-met-office.pdf

What influences the middle atmosphere circulation in the IFS?

Author

I. Polichtchouk

T.G. Shepherd

S. Malardel

2017, Technical memorandum, ECMWF Technical Memoranda

File

17670-what-influences-middle-atmosphere-circulation-ifs.pdf

Evaluating the impact of prognostic ozone in IFS NWP forecasts

Author

Ryan Williams

Robin Hogan

Inna Polichtchouk

Michaela Hegglin

Tim Stockdale

Johannes Flemming

2021, Technical memorandum, ECMWF Technical Memoranda

File

20190-evaluating-impact-prognostic-ozone-ifs-nwp-forecasts.pdf

Evidence of a stratospheric methane bias in the IFS against MIPAS data

Author

Sebastien Massart

Anna Agusti-Panareda

Johannes Flemming

2017, Technical memorandum, ECMWF Technical Memoranda

File

17698-evidence-stratospheric-methane-bias-ifs-against-mipas-data.pdf

ASCAT ocean surface wind assessment

Author

Giovanna De Chiara

Stephen English

Peter Janssen

Jean-Raymond Bidlot

2016, Technical memorandum, ECMWF Technical Memoranda

File

16513-ascat-ocean-surface-wind-assessment.pdf

Search ECMWF publications

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A simplified Extended Kalman Filter for the global operational soil moisture analysis at ECMWF

Addressing near-surface forecast biases: outcomes of the ECMWF project 'Understanding uncertainties in surface atmosphere exchange' (USURF)

Characterising the FY-3A microwave temperature sounder using the ECMWF model

The NEMOVAR ocean data assimilation system as implemented in the ECMWF ocean analysis for System 4

A positive definite tracer mass fixer for high resolution weather and atmospheric composition forecasts

Use of in situ observations to verify the diurnal cycle of sea surface temperature in ECMWF coupled model forecasts

Towards optimal parameters for the prediction of near surface temperature and dewpoint

Evaluation of biases and skill of ECMWF Summer sub-seasonal forecasts in the Northern Hemisphere

Task 1.1 Evaluation of initial future EPS-Sterna constellations with 50 and 183 GHz

CMOD5.N: A C-band geophysical model function for equivalent neutral wind.

Forecasting tropical cyclone landfall using ECMWF's seasonal forecasts from System 4

Evaluation and diagnostics of the CERA-20C climate reanalysis ensemble

Implementation of a CAMS-based aerosol climatology in the IFS

Final Technical Note of 'Impact assessment of commercial GNSS-RO data'

Comparing Arctic winter sea-ice thickness from SMOS and ORAS5

WP1/WP2 breakout discussions

An evaluation of radiative transfer modelling errors in AMSU-A data

An evaluation of FY-3C MWRI and Assessment of the long-term quality of FY-3C MWHS-2 at ECMWF and the Met Office

What influences the middle atmosphere circulation in the IFS?

Evaluating the impact of prognostic ozone in IFS NWP forecasts

Evidence of a stratospheric methane bias in the IFS against MIPAS data

ASCAT ocean surface wind assessment

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