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The representation of non-orographic gravity waves in the IFS Part I: Assessment of the middle atmosphere climate with Rayleigh friction

Author

A. Orr

Nils Wedi

2009, Technical memorandum, ECMWF Technical Memoranda

File

11447-representation-non-orographic-gravity-waves-ifs-part-i-assessment-middle-atmosphere-climate.pdf

GEMS data assimilation system for chemically reactive gases

Author

Antje Inness

Johannes Flemming

Martin Suttie

Luke Jones

2009, Technical memorandum, ECMWF Technical Memoranda

File

10109-gems-data-assimilation-system-chemically-reactive-gases.pdf

4D-Var assimilation of MERIS total column water vapour retrievals over land

Author

Peter Bauer

2009, Technical memorandum, ECMWF Technical Memoranda

File

8002-4d-var-assimilation-meris-total-column-water-vapour-retrievals-over-land.pdf

The RTTOV-9 upgrade for clear-sky radiance assimilation in the IFS

Author

Niels Bormann

Deborah Salmond

Marco Matricardi

Alan Geer

M. Hamrud

2009, Technical memorandum, ECMWF Technical Memoranda

File

8285-rttov-9-upgrade-clear-sky-radiance-assimilation-ifs.pdf

The Radiometric Sensitivity Requirements for Satellite Microwave Temperature Sounding Instruments for NWP

Author

W. Bell

S. Di Michele

Peter Bauer

A. McNally

S.J. English

Nigel Atkinson

J. Charlton

2009, Technical memorandum, ECMWF Technical Memoranda

File

8051-radiometric-sensitivity-requirements-satellite-microwave-temperature-sounding-instruments-nwp.pdf

Toward a consistent reanalysis of the upper stratosphere based on radiance measurements from SSU and AMSU-A.

Author

S. Kobayashi

Marco Matricardi

S. Uppala

2009, Technical memorandum, ECMWF Technical Memoranda

File

10519-toward-consistent-reanalysis-upper-stratosphere-based-radiance-measurements-ssu-and-amsu.pdf

An assessment of the accuracy of the RTTOV fast radiative transfer model using IASI data

Author

Marco Matricardi

2009, Technical memorandum, ECMWF Technical Memoranda

File

11023-assessment-accuracy-rttov-fast-radiative-transfer-model-using-iasi-data.pdf

Inter-comparison of Targeted Observation Guidance for Tropical Cyclones in the North Western Pacific

Author

C.-C. Wu

Jen-Her Chen

S. Majumdar

M. Peng

C. Reynolds

S. Aberson

Roberto Buizza

Yamaguchi Chen

T. Nakazawa

K.-H. Cho

2009, Technical memorandum, ECMWF Technical Memoranda

File

13153-inter-comparison-targeted-observation-guidance-tropical-cyclones-north-western-pacific.pdf

Assessment of ECMWF forecasts: widespread rainfall events during the Indian summer monsoon

Author

M. Mujumdar

Franco Molteni

A Ghelli

Frédéric Vitart

Paul Dando

J.M. Slingo

2009, Technical memorandum, ECMWF Technical Memoranda

File

11307-assessment-ecmwf-forecasts-widespread-rainfall-events-during-indian-summer-monsoon.pdf

Diagnosis of background errors for radiances and other observable quantities in a variational data assimilation scheme, and the explanation of a case of poor convergence

Author

Erik Andersson

Mike Fisher

R. Munro

2000, Technical memorandum, ECMWF Technical Memoranda

File

7747-diagnosis-background-errors-radiances-and-other-observable-quantities-variational-data.pdf

Tropical singular vectors computed with linearized diabatic physics

Author

J. Barkmeijer

Roberto Buizza

T.N. Palmer

K. Puri

J.-F. Mahfouf

2000, Technical memorandum, ECMWF Technical Memoranda

File

7946-tropical-singular-vectors-computed-linearized-diabatic-physics.pdf

Effect of ensemble size on reliability and Brier score

Author

David Richardson

2000, Technical memorandum, ECMWF Technical Memoranda

File

11904-effect-ensemble-size-reliability-and-brier-score.pdf

An assessment of using dropsonde data in Numerical Weather Prediction

Author

Carla Cardinali

2000, Technical memorandum, ECMWF Technical Memoranda

File

8570-assessment-using-dropsonde-data-numerical-weather-prediction.pdf

Classifications and validation of the ECMWF EPS perturbed forecasts using pre-defined weather regimes

Author

P.A. Chessa

2000, Technical memorandum, ECMWF Technical Memoranda

File

8682-classifications-and-validation-ecmwf-eps-perturbed-forecasts-using-pre-defined-weather-regimes.pdf

Initialization of seasonal forecasts assimilating sea level and temperature observations

Author

J. Segschneider

D.L.T. Anderson

J. Vialard

Magdalena Alonso-Balmaseda

Tim Stockdale

A. Troccoli

K. Haines

2000, Technical memorandum, ECMWF Technical Memoranda

File

12163-initialization-seasonal-forecasts-assimilating-sea-level-and-temperature-observations.pdf

A review of predictability and ECMWF forecast performance, with emphasis on Europe

Author

T.N. Palmer

C. Brankovic

Roberto Buizza

P. Chessa

Laura Ferranti

2000, Technical memorandum, ECMWF Technical Memoranda

File

11491-review-predictability-and-ecmwf-forecast-performance-emphasis-europe.pdf

EUCOS impact study

Author

Carla Cardinali

2000, Technical memorandum, ECMWF Technical Memoranda

File

8571-eucos-impact-study.pdf

A fast radiative transfer model for simulation of IASI radiances

Author

Marco Matricardi

R. Saunders

2000, Technical memorandum, ECMWF Technical Memoranda

File

11032-fast-radiative-transfer-model-simulation-iasi-radiances.pdf

ERS-scatterometer wind data impact on ECMWF's tropical cyclone forecasts

Author

L. Isaksen

A. Stoffelen

2000, Technical memorandum, ECMWF Technical Memoranda

File

10129-ers-scatterometer-wind-data-impact-ecmwfs-tropical-cyclone-forecasts.pdf

Diagnosis of the ECMWF ocean-wave forecasting system

Author

Peter Janssen

Jean-Raymond Bidlot

B. Hansen

2000, Technical memorandum, ECMWF Technical Memoranda

File

10222-diagnosis-ecmwf-ocean-wave-forecasting-system.pdf

Temporal evolution of innovation and residual statistics in the ECMWF variational data assimilation systems

Author

H Järvinen

2000, Technical memorandum, ECMWF Technical Memoranda

File

10347-temporal-evolution-innovation-and-residual-statistics-ecmwf-variational-data-assimilation.pdf

Alternative implementations of the semi-Lagrangian semi-implicit schemes in the ECMWF model

Author

Mike Cullen

2000, Technical memorandum, ECMWF Technical Memoranda

File

8830-alternative-implementations-semi-lagrangian-semi-implicit-schemes-ecmwf-model.pdf

Intercomparison of the performance of operational ocean wave forecasting systems with buoy data

Author

Jean-Raymond Bidlot

D.J. Holmes

P.A. Wittmann

R. Lalbeharry

H.S. Chen

2000, Technical memorandum, ECMWF Technical Memoranda

File

8225-intercomparison-performance-operational-ocean-wave-forecasting-systems-buoy-data.pdf

Forecasting system performance in summer 1999. Part 1 - Diagnostics related to the forecast performance during spring and summer 1999

Author

E. Klinker

Laura Ferranti

2000, Technical memorandum, ECMWF Technical Memoranda

File

10504-forecasting-system-performance-summer-1999-part-1-diagnostics-related-forecast-performance.pdf

Search ECMWF publications

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The representation of non-orographic gravity waves in the IFS Part I: Assessment of the middle atmosphere climate with Rayleigh friction

GEMS data assimilation system for chemically reactive gases

4D-Var assimilation of MERIS total column water vapour retrievals over land

The RTTOV-9 upgrade for clear-sky radiance assimilation in the IFS

The Radiometric Sensitivity Requirements for Satellite Microwave Temperature Sounding Instruments for NWP

Toward a consistent reanalysis of the upper stratosphere based on radiance measurements from SSU and AMSU-A.

An assessment of the accuracy of the RTTOV fast radiative transfer model using IASI data

Inter-comparison of Targeted Observation Guidance for Tropical Cyclones in the North Western Pacific

Assessment of ECMWF forecasts: widespread rainfall events during the Indian summer monsoon

Diagnosis of background errors for radiances and other observable quantities in a variational data assimilation scheme, and the explanation of a case of poor convergence

Tropical singular vectors computed with linearized diabatic physics

Effect of ensemble size on reliability and Brier score

An assessment of using dropsonde data in Numerical Weather Prediction

Classifications and validation of the ECMWF EPS perturbed forecasts using pre-defined weather regimes

Initialization of seasonal forecasts assimilating sea level and temperature observations

A review of predictability and ECMWF forecast performance, with emphasis on Europe

EUCOS impact study

A fast radiative transfer model for simulation of IASI radiances

ERS-scatterometer wind data impact on ECMWF's tropical cyclone forecasts

Diagnosis of the ECMWF ocean-wave forecasting system

Temporal evolution of innovation and residual statistics in the ECMWF variational data assimilation systems

Alternative implementations of the semi-Lagrangian semi-implicit schemes in the ECMWF model

Intercomparison of the performance of operational ocean wave forecasting systems with buoy data

Forecasting system performance in summer 1999. Part 1 - Diagnostics related to the forecast performance during spring and summer 1999

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