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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

An ensemble three-dimensional variational data assimilation system for the global ocean: sensitivity to the observation- and background-error variance formulation.

Author

N. Daget

A.T. Weaver

Magdalena Alonso-Balmaseda

2008, Technical memorandum, ECMWF Technical Memoranda

File

74111-ensemble-three-dimensional-variational-data-assimilation-system-global-ocean-sensitivity.pdf

The skill of ECMWF precipitation and temperature predictions in the Danube basin as forcings of hydrological models.

Author

Florian Pappenberger

Roberto Buizza

2008, Technical memorandum, ECMWF Technical Memoranda

File

11586-skill-ecmwf-precipitation-and-temperature-predictions-danube-basin-forcings-hydrological.pdf

Understanding the local and global impacts of model physics changes: an aerosol example

Author

Mark Rodwell

T. Jung

2008, Technical memorandum, ECMWF Technical Memoranda

File

11985-understanding-local-and-global-impacts-model-physics-changes-aerosol-example.pdf

Addressing model uncertainty in seasonal and annual dynamical ensemble forecasts.

Author

F. Doblas-Reyes

Antje Weisheimer

M. Deque

N. Keenlyside

M. McVean

J. Murphy

P. Rogel

D.M. Smith

T.N. Palmer

2008, Technical memorandum, ECMWF Technical Memoranda

File

9069-addressing-model-uncertainty-seasonal-and-annual-dynamical-ensemble-forecasts.pdf

On some consequences of the canonical transformation in the Hamiltonian theory of water waves.

Author

Peter Janssen

2008, Technical memorandum, ECMWF Technical Memoranda

File

10217-some-consequences-canonical-transformation-hamiltonian-theory-water-waves.pdf

Gustiness as predictor for lifting sea-salt and dust aerosols in the ECMWF IFS

Author

J.-J. Morcrette

Anton Beljaars

Angela Benedetti

Luke Jones

O. Boucher

2008, Technical memorandum, ECMWF Technical Memoranda

File

11276-gustiness-predictor-lifting-sea-salt-and-dust-aerosols-ecmwf-ifs.pdf

Verification statistics and evaluations of ECMWF forecasts in 2007-2008.

Author

A Ghelli

F. Prates

2008, Technical memorandum, ECMWF Technical Memoranda

File

11919-verification-statistics-and-evaluations-ecmwf-forecasts-2007-2008.pdf

Operational flood forecasting: a review of ensemble techniques

Author

Hannah Cloke

Florian Pappenberger

2008, Technical memorandum, ECMWF Technical Memoranda

File

8742-operational-flood-forecasting-review-ensemble-techniques.pdf

Variational bias correction in ERA-Interim

Author

D.P. Dee

S. Uppala

2008, Technical memorandum, ECMWF Technical Memoranda

File

8936-variational-bias-correction-era-interim.pdf

Exploitation of satellite data in the surface analysis

Author

M. Drusch

K. Scipal

Patricia de Rosnay

Gianpaolo Balsamo

Erik Andersson

P. Bougeault

P. Viterbo

2008, Technical memorandum, ECMWF Technical Memoranda

File

9145-exploitation-satellite-data-surface-analysis.pdf

Aerosol analysis and forecast in the ECMWF Integrated Forecast System: Forward modelling.

Author

J.-J. Morcrette

O. Boucher

Luke Jones

Deborah Salmond

Peter Bechtold

Anton Beljaars

Angela Benedetti

Axel Bonet

J. Kaiser

Miha Razinger

M.G. Schulz

S. Serrar

Adrian Simmons

M. Sofiev

Martin Suttie

A.M. Tompkins

A. Untch

the team

2008, Technical memorandum, ECMWF Technical Memoranda

File

11281-aerosol-analysis-and-forecast-ecmwf-integrated-forecast-system-forward-modelling.pdf

Search ECMWF publications

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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?

An ensemble three-dimensional variational data assimilation system for the global ocean: sensitivity to the observation- and background-error variance formulation.

The skill of ECMWF precipitation and temperature predictions in the Danube basin as forcings of hydrological models.

Understanding the local and global impacts of model physics changes: an aerosol example

Addressing model uncertainty in seasonal and annual dynamical ensemble forecasts.

On some consequences of the canonical transformation in the Hamiltonian theory of water waves.

Gustiness as predictor for lifting sea-salt and dust aerosols in the ECMWF IFS

Verification statistics and evaluations of ECMWF forecasts in 2007-2008.

Operational flood forecasting: a review of ensemble techniques

Variational bias correction in ERA-Interim

Exploitation of satellite data in the surface analysis

Aerosol analysis and forecast in the ECMWF Integrated Forecast System: Forward modelling.

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