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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

Impact of prognostic cloud scheme and subgrid scale orography on the simulation of the Asian summer monsoon

Author

S. Das

M.J. Miller

P. Viterbo

1995, Technical memorandum, ECMWF Technical Memoranda

File

8903-impact-prognostic-cloud-scheme-and-subgrid-scale-orography-simulation-asian-summer-monsoon.pdf

Sensitivity of ECMWF model wintertime climate to model formulation

Author

C. Brankovic

Franco Molteni

1995, Technical memorandum, ECMWF Technical Memoranda

File

8364-sensitivity-ecmwf-model-wintertime-climate-model-formulation.pdf

Variational assimilation of remotely-sensed observations of the atmosphere

Author

J. Eyre

1995, Technical memorandum, ECMWF Technical Memoranda

File

9332-variational-assimilation-remotely-sensed-observations-atmosphere.pdf

Predictability studies with high resolution singular vectors

Author

Roberto Buizza

R. Gelaro

Franco Molteni

T.N. Palmer

1995, Technical memorandum, ECMWF Technical Memoranda

File

8443-predictability-studies-high-resolution-singular-vectors.pdf

Estimating the covariance matrices of analysis and forecast error in variational dataassimilation

Author

Mike Fisher

P. Courtier

1995, Technical memorandum, ECMWF Technical Memoranda

File

9408-estimating-covariance-matrices-analysis-and-forecast-error-variational-dataassimilation.pdf

Impact of the ERS-1 scatterometer wind data on the ECMWF 3-D VAR assimilation system

Author

C. Gaffard

H. Roquet

1995, Technical memorandum, ECMWF Technical Memoranda

File

9481-impact-ers-1-scatterometer-wind-data-ecmwf-3-d-var-assimilation-system.pdf

A new sub-grid scale orographic drag parametrization: Its formulation and testing

Author

F. Lott

M.J. Miller

1995, Technical memorandum, ECMWF Technical Memoranda

File

10835-new-sub-grid-scale-orographic-drag-parametrization-its-formulation-and-testing.pdf

The anomalous rainfall over the USA during July 1993. Sensitivity to land surfaceparameterization and soil moisture anomalies

Author

Anton Beljaars

P. Viterbo

M.J. Miller

A. Betts

1995, Technical memorandum, ECMWF Technical Memoranda

File

8045-anomalous-rainfall-over-usa-during-july-1993-sensitivity-land-surfaceparameterization-and-soil.pdf

Treatment of the Coriolis terms in semi-Lagrangian spectral models

Author

C. Temperton

1995, Technical memorandum, ECMWF Technical Memoranda

File

12609-treatment-coriolis-terms-semi-lagrangian-spectral-models.pdf

The parametrization of surface fluxes in large scale models under free convection

Author

Anton Beljaars

1995, Technical memorandum, ECMWF Technical Memoranda

File

8037-parametrization-surface-fluxes-large-scale-models-under-free-convection.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)

Impact of prognostic cloud scheme and subgrid scale orography on the simulation of the Asian summer monsoon

Sensitivity of ECMWF model wintertime climate to model formulation

Variational assimilation of remotely-sensed observations of the atmosphere

Predictability studies with high resolution singular vectors

Estimating the covariance matrices of analysis and forecast error in variational dataassimilation

Impact of the ERS-1 scatterometer wind data on the ECMWF 3-D VAR assimilation system

A new sub-grid scale orographic drag parametrization: Its formulation and testing

The anomalous rainfall over the USA during July 1993. Sensitivity to land surfaceparameterization and soil moisture anomalies

Treatment of the Coriolis terms in semi-Lagrangian spectral models

The parametrization of surface fluxes in large scale models under free convection

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