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Extended control variable (XCV): skin temperature background correction for the assimilation of clear-sky microwave radiances

Author

2023, Technical memorandum, ECMWF Technical Memoranda

Document

81514-extended-control-variable-xcv-skin-temperature-background-correction-for-the-assimilation-of-clear-sky-microwave-radiances.pdf

Characterisation and correction of orbital biases in AMSU-A and ATMS observations in the ECMWF system

Author

Niels Bormann

Linus Magnusson

David Duncan

Mohamed Dahoui

2023, Technical memorandum, ECMWF Technical Memoranda

Document

81520-characterisation-and-correction-of-orbital-biases-in-amsu-a-and-atms-observations-in-the-ecmwf-system.pdf

Evaluation of ECMWF forecasts, including the 2023 upgrade

Author

Thomas Haiden

Martin Janousek

Frédéric Vitart

Zied Ben-Bouallegue

Fernando Prates

2023, Technical memorandum, ECMWF Technical Memoranda

Document

81389-evaluation-of-ecmwf-forecasts-including-the-2023-upgrade.pdf

Forward operator for polarimetric radio occultation measurements

Author

Daisuke Hotta

Katrin Lonitz

Sean Healy

2023, Technical memorandum, ECMWF Technical Memoranda

File

81358-forward-operator-polarimetric-radio-occultation-measurements.pdf

Superobbing and Finer Thinning for All-sky Humidity Sounder Assimilation

Author

David Duncan

Niels Bormann

Alan Geer

Peter Weston

2023, Technical memorandum, ECMWF Technical Memoranda

File

81345-superobbing-and-finer-thinning-all-sky-humidity-sounder-assimilation.pdf

Software Strategy and Roadmap 2023-2027

Author

Tiago Quintino

Umberto Modigliani

Florian Pappenberger

Sylvie Lamy-Thepaut

Simon Smart

James Hawkes

Iain Russell

Laurent Gougeon

Cristiano Zanna

Baudouin Raoult

2023, Technical memorandum, ECMWF Technical Memoranda

File

81334-software-strategy-and-roadmap-2023-2027.pdf

A standardised verification scheme for local weather forecasts

Author

H. Daan

1985, Technical memorandum, ECMWF Technical Memoranda

File

8883-standardised-verification-scheme-local-weather-forecasts.pdf

Statistical assessment of an observing system experiment based on frequency distributions of 500 hPa differences

Author

P. Emmrich

P.W. Kållberg

1985, Technical memorandum, ECMWF Technical Memoranda

File

9290-statistical-assessment-observing-system-experiment-based-frequency-distributions-500-hpa.pdf

A pilot study on the prediction of medium range forecast quality

Author

S. Grönås

1985, Technical memorandum, ECMWF Technical Memoranda

File

9665-pilot-study-prediction-medium-range-forecast-quality.pdf

On the use of cloud track wind data from FGGE in the upper troposphere

Author

P.W. Kållberg

1985, Technical memorandum, ECMWF Technical Memoranda

File

10591-use-cloud-track-wind-data-fgge-upper-troposphere.pdf

The effects of mechanical forcing on the mean meridional circulation of the atmosphere

Author

G-X. Wu

S. Tibaldi

1985, Technical memorandum, ECMWF Technical Memoranda

File

13157-effects-mechanical-forcing-mean-meridional-circulation-atmosphere.pdf

FGGE moisture analysis and assimilation in the ECMWF system

Author

R.J. Pasch

L. Illari

1985, Technical memorandum, ECMWF Technical Memoranda

File

11611-fgge-moisture-analysis-and-assimilation-ecmwf-system.pdf

The ECMWF climate system

Author

C. Brankovic

J. Van Maanen

1985, Technical memorandum, ECMWF Technical Memoranda

File

8377-ecmwf-climate-system.pdf

Current and planned meteorological applications systems at ECMWF

Author

J. Gibson

1985, Technical memorandum, ECMWF Technical Memoranda

File

9564-current-and-planned-meteorological-applications-systems-ecmwf.pdf

Development of the operational parameterization scheme

Author

M. Tiedtke

J.M. Slingo

1985, Technical memorandum, ECMWF Technical Memoranda

File

12746-development-operational-parameterization-scheme.pdf

Development of the high resolution model

Author

M. Jarraud

Adrian Simmons

M. Kanamitsu

1985, Technical memorandum, ECMWF Technical Memoranda

File

10254-development-high-resolution-model.pdf

A memory manager for single and multi-tasking applications

Author

J. Gibson

D. Dent

1985, Technical memorandum, ECMWF Technical Memoranda

File

9571-memory-manager-single-and-multi-tasking-applications.pdf

The impact of the El NIno anomaly on the mean meridional circulation as simulated by a high resolution model

Author

G-X. Wu

U. Cubasch

1985, Technical memorandum, ECMWF Technical Memoranda

File

13156-impact-el-nino-anomaly-mean-meridional-circulation-simulated-high-resolution-model.pdf

Practical considerations concerning the use of the planetary boundary layer top as acoordinate surface

Author

D.A. Randall

1985, Technical memorandum, ECMWF Technical Memoranda

File

11821-practical-considerations-concerning-use-planetary-boundary-layer-top-acoordinate-surface.pdf

Predictability studies with the ECMWF model for the extended range: The impact ofhorizontal resolution and boundary layer forcing

Author

U. Cubasch

A.C. Wiin-Nielsen

1985, Technical memorandum, ECMWF Technical Memoranda

File

8821-predictability-studies-ecmwf-model-extended-range-impact-ofhorizontal-resolution-and-boundary.pdf

Extensions to AF 82 GRIB (Gridded Binary)

Author

J. Gibson

1985, Technical memorandum, ECMWF Technical Memoranda

File

9563-extensions-af-82-grib-gridded-binary.pdf

A valley-filled orographic representation in numerical weather forecast models

Author

D. Radinovic

1985, Technical memorandum, ECMWF Technical Memoranda

File

11812-valley-filled-orographic-representation-numerical-weather-forecast-models.pdf

Systematic errors in surface and upper lows in ECMWF's operational spectral model for the 1983-1984 winter season and comparing these to the relevant errors in grid point model

Author

V. Akyildiz

1985, Technical memorandum, ECMWF Technical Memoranda

File

7660-systematic-errors-surface-and-upper-lows-ecmwfs-operational-spectral-model-1983-1984-winter.pdf

Estimates of round-off error in the inversion of positive definite matrices

Author

A. Hollingsworth

G.J. Cats

1985, Technical memorandum, ECMWF Technical Memoranda

File

9963-estimates-round-error-inversion-positive-definite-matrices.pdf

Search ECMWF publications

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Extended control variable (XCV): skin temperature background correction for the assimilation of clear-sky microwave radiances

Characterisation and correction of orbital biases in AMSU-A and ATMS observations in the ECMWF system

Evaluation of ECMWF forecasts, including the 2023 upgrade

Forward operator for polarimetric radio occultation measurements

Superobbing and Finer Thinning for All-sky Humidity Sounder Assimilation

Software Strategy and Roadmap 2023-2027

A standardised verification scheme for local weather forecasts

Statistical assessment of an observing system experiment based on frequency distributions of 500 hPa differences

A pilot study on the prediction of medium range forecast quality

On the use of cloud track wind data from FGGE in the upper troposphere

The effects of mechanical forcing on the mean meridional circulation of the atmosphere

FGGE moisture analysis and assimilation in the ECMWF system

The ECMWF climate system

Current and planned meteorological applications systems at ECMWF

Development of the operational parameterization scheme

Development of the high resolution model

A memory manager for single and multi-tasking applications

The impact of the El NIno anomaly on the mean meridional circulation as simulated by a high resolution model

Practical considerations concerning the use of the planetary boundary layer top as acoordinate surface

Predictability studies with the ECMWF model for the extended range: The impact ofhorizontal resolution and boundary layer forcing

Extensions to AF 82 GRIB (Gridded Binary)

A valley-filled orographic representation in numerical weather forecast models

Systematic errors in surface and upper lows in ECMWF's operational spectral model for the 1983-1984 winter season and comparing these to the relevant errors in grid point model

Estimates of round-off error in the inversion of positive definite matrices

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