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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

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

Evaluation of ECMWF forecasts, including the 2021 upgrade

Author

Thomas Haiden

Fernando Prates

2021, Technical memorandum, ECMWF Technical Memoranda

File

20142-evaluation-ecmwf-forecasts-including-2021-upgrade.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

Low frequency variability and trends in surface air temperature and humidity from ERA5 and other datasets

Author

Adrian Simmons

Hans Hersbach

Joaquin Munoz-Sabater

Julien Nicolas

Freja Vamborg

Paul Berrisford

Patricia de Rosnay

Kate Willett

Jack Woollen

2021, Technical memorandum, ECMWF Technical Memoranda

File

19911-low-frequency-variability-and-trends-surface-air-temperature-and-humidity-era5-and-other.pdf

On the consequences of nonlinearity and gravity-capillary waves on wind-wave interaction

Author

Peter Janssen

Jean-Raymond Bidlot

2021, Technical memorandum, ECMWF Technical Memoranda

File

19943-consequences-nonlinearity-and-gravity-capillary-waves-wind-wave-interaction.pdf

Experimenting with a Clear Air Turbulence (CAT) Index from the IFS

Author

Peter Bechtold

M Bramberger

A. Dörnbrack

L. Isaksen

Martin Leutbecher

2021, Technical memorandum, ECMWF Technical Memoranda

File

19870-experimenting-clean-air-turbulence-cat-index-ifs.pdf

Stratospheric modelling and assimilation

Author

Sean Healy

Michael Rennie

Johannes Flemming

Stephen English

Lars Isaksen

Filip Vána

Sonja Gisinger

Nicholas Byrne

2021, Technical memorandum, ECMWF Technical Memoranda

File

19875-stratospheric-modelling-and-assimilation.pdf

Machine learning at ECMWF: A roadmap for the next 10 years

Author

Peter Düben

Umberto Modigliani

Alan Geer

Stephan Siemen

Florian Pappenberger

Peter Bauer

Andy Brown

Martin Palkovic

Baudouin Raoult

Nils Wedi

Vasileios Baousis

2021, Technical memorandum, ECMWF Technical Memoranda

File

19877-machine-learning-ecmwf-roadmap-next-10-years.pdf

Evaluation of ECMWF forecasts, including the 2020 upgrade

Author

Thomas Haiden

Crtistina Prates

2021, Technical memorandum, ECMWF Technical Memoranda

File

19879-evaluation-ecmwf-forecasts-including-2020-upgrade.pdf

Vertical wind shear and convective storms

Author

Tomas Pucik

Pieter Groenemeijer

Ivan Tsonevsky

2021, Technical memorandum, ECMWF Technical Memoranda

File

19905-vertical-wind-shear-and-convective-storms.pdf

Floods, droughts, fire and beyond ... are existing forecasts enough?

Author

Ervin Zsótér

C. Baugh

Eleanor Hansford

K O'Regan

Claudia Vitolo

Fredrik Wetterhall

C. Prudhomme

2021, Technical memorandum, ECMWF Technical Memoranda

File

19907-floods-droughts-fire-and-beyond-are-existing-forecasts-enough.pdf

Addressing near-surface forecast biases: outcomes of the ECMWF project 'Understanding uncertainties in surface atmosphere exchange' (USURF)

Author

Irina Sandu

Thomas Haiden

Gianpaolo Balsamo

Polly Schmederer

Gabriele Arduini

Anton Beljaars

Souhail Boussetta

2020, Technical memorandum, ECMWF Technical Memoranda

File

19849-addressing-near-surface-forecast-biases-outcomes-ecmwf-project-understanding-uncertainties.pdf

Quality Control for GOES Geostationary Lightning Mapper Level-2 flash products

Author

Philippe Lopez

2020, Technical memorandum, ECMWF Technical Memoranda

File

19804-quality-control-goes-geostationary-lightning-mapper-level-2-flash-products.pdf

Search ECMWF publications

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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)

Evaluating the impact of prognostic ozone in IFS NWP forecasts

Tropical cyclone activities at ECMWF

Evaluation of ECMWF forecasts, including the 2021 upgrade

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

Low frequency variability and trends in surface air temperature and humidity from ERA5 and other datasets

On the consequences of nonlinearity and gravity-capillary waves on wind-wave interaction

Experimenting with a Clear Air Turbulence (CAT) Index from the IFS

Stratospheric modelling and assimilation

Machine learning at ECMWF: A roadmap for the next 10 years

Evaluation of ECMWF forecasts, including the 2020 upgrade

Vertical wind shear and convective storms

Floods, droughts, fire and beyond ... are existing forecasts enough?

Addressing near-surface forecast biases: outcomes of the ECMWF project 'Understanding uncertainties in surface atmosphere exchange' (USURF)

Quality Control for GOES Geostationary Lightning Mapper Level-2 flash products

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