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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

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

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

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

Evaluation of biases and skill of ECMWF Summer sub-seasonal forecasts in the Northern Hemisphere

Author

Frederico Johannsen

Linus Magnusson

Emanuel Dutra

2020, Technical memorandum, ECMWF Technical Memoranda

File

19805-evaluation-biases-and-skill-ecmwf-summer-sub-seasonal-forecasts-northern-hemisphere.pdf

Trends in the GloFAS-ERA5 river discharge reanalysis

Author

Ervin Zsótér

Hannah orcid.org/0000-0002-1472-868X

E. Stephens

2020, Technical memorandum, ECMWF Technical Memoranda

File

81194-trends-glofas-era5-river-discharge-reanalysis.pdf

Potential temperature as a prognostic variable in hydrostatic semi-implicit semi-Lagrangian IFS

Author

Inna Polichtchouk

Sylvie Malardel

Michail Diamantakis

2020, Technical memorandum, ECMWF Technical Memoranda

File

19718-potential-temperature-prognostic-variable-hydrostatic-semi-implicit-semi-lagrangian-ifs.pdf

Skin Temperature Analysis for the Assimilation of Clear-Sky Satellite Radiances

Author

2020, Technical memorandum, ECMWF Technical Memoranda

File

19723-skin-temperature-analysis-assimilation-clear-sky-satellite-radiances.pdf

Towards optimal parameters for the prediction of near surface temperature and dewpoint

Author

Anton Beljaars

2020, Technical memorandum, ECMWF Technical Memoranda

File

19618-towards-optimal-parameters-prediction-near-surface-temperature-and-dewpoint.pdf

The NWP impact of Aeolus Level-2B Winds at ECMWF

Author

Michael Rennie

Lars Isaksen

2020, Technical memorandum, ECMWF Technical Memoranda

File

19538-nwp-impact-aeolus-level-2b-winds-ecmwf.pdf

Accounting for representativeness in the verification of ensemble forecasts

Author

Zied Ben-Bouallegue

2020, Technical memorandum, ECMWF Technical Memoranda

File

19544-accounting-represenstativeness-verification-ensemble-forecasts.pdf

On the causes of systematic forecast biases in near-surface wind direction over the oceans

Author

Irina Sandu

Peter Bechtold

L. Nuijens

Anton Beljaars

Andrew Brown

2020, Technical memorandum, ECMWF Technical Memoranda

File

19545-causes-systematic-forecast-biases-near-surface-wind-direction-over-oceans.pdf

Search ECMWF publications

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

Tropical cyclone activities at ECMWF

Evaluating the impact of prognostic ozone in IFS NWP forecasts

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

Evaluation of biases and skill of ECMWF Summer sub-seasonal forecasts in the Northern Hemisphere

Trends in the GloFAS-ERA5 river discharge reanalysis

Potential temperature as a prognostic variable in hydrostatic semi-implicit semi-Lagrangian IFS

Skin Temperature Analysis for the Assimilation of Clear-Sky Satellite Radiances

Towards optimal parameters for the prediction of near surface temperature and dewpoint

The NWP impact of Aeolus Level-2B Winds at ECMWF

Accounting for representativeness in the verification of ensemble forecasts

On the causes of systematic forecast biases in near-surface wind direction over the oceans

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