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An explicit low-resolution extended Kalman filter: Implementation and preliminaryexperimentation

Author

M. Ehrendorfer

F. Bouttier

1998, Technical memorandum, ECMWF Technical Memoranda

File

9269-explicit-low-resolution-extended-kalman-filter-implementation-and-preliminaryexperimentation.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

The use of variable CO2 in the data assimilation of AIRS and IASI radiances

Author

Richard Engelen

Peter Bauer

2011, Technical memorandum, ECMWF Technical Memoranda

File

9293-use-variable-co2-data-assimilation-airs-and-iasi-radiances.pdf

Four-dimensional data assimilation of atmospheric CO2 using AIRS observations

Author

Richard Engelen

S. Serrar

F. Chevallier

2008, Technical memorandum, ECMWF Technical Memoranda

File

9298-four-dimensional-data-assimilation-atmospheric-co2-using-airs-observations.pdf

Impact of satellite data

Author

S.J. English

A. McNally

Niels Bormann

Kirsti Salonen

Marco Matricardi

Andras Horányi

Michael Rennie

Marta Janiskova

S. Di Michele

Alan Geer

Enza di Tomaso

Carla Cardinali

J.M. Sabater

C. Albergel

2013, Technical memorandum, ECMWF Technical Memoranda

File

9301-impact-satellite-data.pdf

A fast radiative transfer model for satellite sounding systems

Author

J. Eyre

1991, Technical memorandum, ECMWF Technical Memoranda

File

9329-fast-radiative-transfer-model-satellite-sounding-systems.pdf

A bias correction scheme for simulated TOVS brightness temperatures

Author

J. Eyre

1992, Technical memorandum, ECMWF Technical Memoranda

File

9330-bias-correction-scheme-simulated-tovs-brightness-temperatures.pdf

Assimilation of radio occultation measurements into a Numerical Weather Predictionsystem

Author

J. Eyre

1994, Technical memorandum, ECMWF Technical Memoranda

File

9331-assimilation-radio-occultation-measurements-numerical-weather-predictionsystem.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

Assimilation of TOVS radiance information through one-dimensional variational analysis

Author

J. Eyre

G.A. Kelly

A. McNally

Erik Andersson

1992, Technical memorandum, ECMWF Technical Memoranda

File

9338-assimilation-tovs-radiance-information-through-one-dimensional-variational-analysis.pdf

Use and Verification of ECMWF products in Member and Co-operating States

Author

Tim Hewson

2021, Technical memorandum, ECMWF Technical Memoranda

File

20179-use-and-verification-ecmwf-products-member-and-co-operating-states.pdf

Investigating the use of Lambertian reflection in the assimilation of surface-sensitive microwave sounding radiances over snow and sea-ice

Author

Niels Bormann

2021, Technical memorandum, ECMWF Technical Memoranda

File

20180-investigating-use-lambertian-reflection-assimilation-surface-sensitive-microwave-sounding.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

Tropical cyclone activities at ECMWF

Author

Linus Magnusson

Sharan Majumdar

Rebecca Emerton

David Richardson

Magdalena Alonso-Balmaseda

Antonino Bonanni

Andy Brown

Hilda Carr

Giovanna De Chiara

Stephen English

Thomas Haiden

Sean Healy

Tony McNally

Fernando Prates

Michael Rennie

2021, Technical memorandum, ECMWF Technical Memoranda

File

20228-tropical-cyclone-activities-ecmwf.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

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

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

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

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

Control on stratospheric temperature in IFS: resolution and vertical advection

Author

Sylvie Malardel

Filip Vána

2019, Technical memorandum, ECMWF Technical Memoranda

File

19084-control-stratospheric-temperature-ifs-resolution-and-vertical-advection.pdf

Emission optimisations first attempt based on Ensemble of DA for atmospheric composition

Author

J. Barré

Sebastien Massart

Melanie Ades

Luke Jones

Richard Engelen

2019, Technical memorandum, ECMWF Technical Memoranda

File

19085-emission-optimisations-first-attempt-based-ensemble-da-atmospheric-composition.pdf

Search ECMWF publications

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An explicit low-resolution extended Kalman filter: Implementation and preliminaryexperimentation

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

The use of variable CO2 in the data assimilation of AIRS and IASI radiances

Four-dimensional data assimilation of atmospheric CO2 using AIRS observations

Impact of satellite data

A fast radiative transfer model for satellite sounding systems

A bias correction scheme for simulated TOVS brightness temperatures

Assimilation of radio occultation measurements into a Numerical Weather Predictionsystem

Variational assimilation of remotely-sensed observations of the atmosphere

Assimilation of TOVS radiance information through one-dimensional variational analysis

Use and Verification of ECMWF products in Member and Co-operating States

Investigating the use of Lambertian reflection in the assimilation of surface-sensitive microwave sounding radiances over snow and sea-ice

Evaluating the impact of prognostic ozone in IFS NWP forecasts

Tropical cyclone activities at ECMWF

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

Notes on shallow water extension of Miles Theory

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

Evaluation and optimizaton of orographic drag in the IFS

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

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

Control on stratospheric temperature in IFS: resolution and vertical advection

Emission optimisations first attempt based on Ensemble of DA for atmospheric composition

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