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How do ecPoint precipitation forecasts compare with postprocessed multi-model ensemble predictions over Switzerland?

Author

Stephan Hemri

Tim Hewson

Estibaliz Gascon

Jan Rajczak

Jonas Bhend

Christoph Spririg

Lionel Moret

Mark Liniger

2022, Technical memorandum, ECMWF Technical Memoranda

File

81319-how-do-ecpoint-precipitation-forecasts-compare-postprocessed-multi-model-ensemble-predictions.pdf

Impact of GRIB compression on weather forecast data and data-handling applications

Author

Eugen Betke

Tiago Quintino

Simon Smart

Tomas Wilhelmsson

2022, Technical memorandum, ECMWF Technical Memoranda

File

81320-impact-grib-compression-weather-forecast-data-and-data-handling-applications.pdf

Evaluation of ECMWF forecasts, including the 2021 upgrade

Author

Thomas Haiden

Fernando Prates

2022, Technical memorandum, ECMWF Technical Memoranda

File

20469-evaluation-ecmwf-forecasts-including-2021-upgrade.pdf

Validation of IFS+RTTOV/MFASIS0.64-μm reflectances against observations from GOES-16, GOES-17, MSG-4 and Himawari-8

Author

Philippe Lopez

Marco Matricardi

2022, Technical memorandum, ECMWF Technical Memoranda

File

20472-validation-ifsrttovmfasis064-mm-reflectances-against-observations-goes-16-goes-17-msg-4-and.pdf

Preparing for the exploitation of MTG-S IRS in NWP using FY4-A GIIRS observations

Author

Chris Burrows

Pierre Dussarrat

2022, Technical memorandum, ECMWF Technical Memoranda

File

20396-preparing-exploitation-mtg-s-irs-nwp-using-fy4-giirs-obs.pdf

Outcomes from UGROW-IO: Forecast errors in the Eastern Indian Ocean across lead times

Author

Michael Mayer

Magdalena Alonso-Balmaseda

Stephanie Johnson

Linus Magnusson

Christopher Roberts

Hao Zuo

2022, Technical memorandum, ECMWF Technical Memoranda

File

20401-outcomes-ugrow-io-forecast-errors-eastern-indian-ocean-across-lead-times.pdf

Calculating the Cosine of the Solar Zenith Angle for Thermal Comfort Indices

Author

Chloe Brimicombe

Simon Smart

Hannah Cloke

2022, Technical memorandum, ECMWF Technical Memoranda

File

20336-calculating-cosine-solar-zenith-angle-thermal-comfort-indices.pdf

Improved surface treatment for all-sky microwave observations

Author

2022, Technical memorandum, ECMWF Technical Memoranda

File

20337-improved-surface-treatment-all-sky-microwave-observations.pdf

Statistical modelling of 2m temperature and 10m wind speed forecast errors

Author

Fenwick Cooper

2022, Technical memorandum, ECMWF Technical Memoranda

File

20342-statistical-modelling-2m-temperature-and-10m-wind-speed-forecast-errors.pdf

Validation of IFS+RTTOV/MFASIS solar reflectances against GOES-16 ABI obs

Author

Philippe Lopez

Marco Matricardi

Mark Fielding

2022, Technical memorandum, ECMWF Technical Memoranda

File

20332-validation-ifsrttovmfasis-solar-reflectances-against-goes-16-abi-obs.pdf

Evaluation and optimizaton of orographic drag in the IFS

Author

Takafumi Kanehama

Irina Sandu

Anton Beljaars

Annelize van Niekerk

Nils Wedi

Souhail Boussetta

Simon Lang

Stephanie Johnson

Linus Magnusson

2022, Technical memorandum, ECMWF Technical Memoranda

File

20333-evaluation-and-optimizaton-orographic-drag-ifs.pdf

Summary of the UGROW subproject on tropospheric temperature bias during JJA over the Northern Hemisphere

Author

Linus Magnusson

Magdalena Alonso-Balmaseda

Mohamed Dahoui

Richard Forbes

Thomas Haiden

David Lavers

Irina Sandu

Steffen Tietsche

2022, Technical memorandum, ECMWF Technical Memoranda

File

20356-summary-ugrow-subproject-tropospheric-temperature-bias-during-jja-over-northern-hemisphere.pdf

Notes on shallow water extension of Miles Theory

Author

Peter Janssen

2022, Technical memorandum, ECMWF Technical Memoranda

File

20286-notes-shallow-water-extension-miles-theory.pdf

Investigating biases in the representation of the Pacific sub-tropical jet stream and associated teleconnections (a UGROW sub-project)

Author

Frédéric Vitart

Rebecca Emerton

Mark Rodwell

Magdalena Alonso-Balmaseda

Thomas Haiden

Stephanie Johnson

L. Magnusson

Christopher Roberts

Irina Sandu

2022, Technical memorandum, ECMWF Technical Memoranda

File

20281-investigating-biases-representation-pacific-sub-tropical-jet-stream-and-associated.pdf

The African easterly jet in the ECMWF Integrated forecast system: 4DVar analysis.

Author

A.M. Tompkins

A. Diongue

D.J. Parker

C. Thorncroft

2004, Technical memorandum, ECMWF Technical Memoranda

File

12784-african-easterly-jet-ecmwf-integrated-forecast-system-4dvar-analysis.pdf

Moist physical processes in the IFS: Progress and Plans

Author

A.M. Tompkins

Peter Bechtold

Anton Beljaars

Angela Benedetti

S. Cheinet

Marta Janiskova

M. Köhler

Philippe Lopez

J.-J. Morcrette

2004, Technical memorandum, ECMWF Technical Memoranda

File

12789-moist-physical-processes-ifs-progress-and-plans.pdf

Early-delivery suite.

Author

J. Haseler

2004, Technical memorandum, ECMWF Technical Memoranda

File

9793-early-delivery-suite.pdf

On the equivalence between Kalman smoothing and weak-constraint four-dimensional variational data assimilation.

Author

Mike Fisher

2004, Technical memorandum, ECMWF Technical Memoranda

File

9415-equivalence-between-kalman-smoothing-and-weak-constraint-four-dimensional-variational-data.pdf

Report on the twelfth Security Representatives' Meeting, 22-23 April 2004. (Restricted distribution)

Author

P. Prior

2004, Technical memorandum, ECMWF Technical Memoranda

Verification of TMI-adjusted rainfall analysis of tropical cyclones at ECMWF using TRMM Precipitation Radar observations.

Author

Angela Benedetti

Philippe Lopez

2004, Technical memorandum, ECMWF Technical Memoranda

File

8069-verification-tmi-adjusted-rainfall-analysis-tropical-cyclones-ecmwf-using-trmm-precipitation.pdf

Influence matrix diagnostic of a data assimilation system.

Author

Carla Cardinali

S. Pezzulli

Erik Andersson

2004, Technical memorandum, ECMWF Technical Memoranda

File

8592-influence-matrix-diagnostic-data-assimilation-system.pdf

Report on the sixteenth meeting of Computing Representatives, 21-22 April 2004.

Author

P. Prior

2004, Technical memorandum, ECMWF Technical Memoranda

File

11735-report-sixteenth-meeting-computing-representatives-21-22-april-2004.pdf

Experimental use of TRMM Precipitation Radar observations in 1D+4D-Var assimilation

Author

Angela Benedetti

Philippe Lopez

Peter Bauer

E. Moreau

2004, Technical memorandum, ECMWF Technical Memoranda

File

8072-experimental-use-trmm-precipitation-radar-observations-1d4d-var-assimilation.pdf

The structure and realism of sensitivity perturbations and their interpretation as 'Key Analysis Errors'.

Author

L. Isaksen

Mike Fisher

Erik Andersson

2004, Technical memorandum, ECMWF Technical Memoranda

File

10126-structure-and-realism-sensitivity-perturbations-and-their-interpretation-key-analysis-errors.pdf

Search ECMWF publications

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How do ecPoint precipitation forecasts compare with postprocessed multi-model ensemble predictions over Switzerland?

Impact of GRIB compression on weather forecast data and data-handling applications

Evaluation of ECMWF forecasts, including the 2021 upgrade

Validation of IFS+RTTOV/MFASIS0.64-μm reflectances against observations from GOES-16, GOES-17, MSG-4 and Himawari-8

Preparing for the exploitation of MTG-S IRS in NWP using FY4-A GIIRS observations

Outcomes from UGROW-IO: Forecast errors in the Eastern Indian Ocean across lead times

Calculating the Cosine of the Solar Zenith Angle for Thermal Comfort Indices

Improved surface treatment for all-sky microwave observations

Statistical modelling of 2m temperature and 10m wind speed forecast errors

Validation of IFS+RTTOV/MFASIS solar reflectances against GOES-16 ABI obs

Evaluation and optimizaton of orographic drag in the IFS

Summary of the UGROW subproject on tropospheric temperature bias during JJA over the Northern Hemisphere

Notes on shallow water extension of Miles Theory

Investigating biases in the representation of the Pacific sub-tropical jet stream and associated teleconnections (a UGROW sub-project)

The African easterly jet in the ECMWF Integrated forecast system: 4DVar analysis.

Moist physical processes in the IFS: Progress and Plans

Early-delivery suite.

On the equivalence between Kalman smoothing and weak-constraint four-dimensional variational data assimilation.

Report on the twelfth Security Representatives' Meeting, 22-23 April 2004. (Restricted distribution)

Verification of TMI-adjusted rainfall analysis of tropical cyclones at ECMWF using TRMM Precipitation Radar observations.

Influence matrix diagnostic of a data assimilation system.

Report on the sixteenth meeting of Computing Representatives, 21-22 April 2004.

Experimental use of TRMM Precipitation Radar observations in 1D+4D-Var assimilation

The structure and realism of sensitivity perturbations and their interpretation as 'Key Analysis Errors'.

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