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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

A screening multiple discriminant analysis program

Author

L.J. Wilson

1982, Technical memorandum, ECMWF Technical Memoranda

File

13118-screening-multiple-discriminant-analysis-program.pdf

Point verification and simple statistical adaptation of ECMWF model forecasts of dewpoint (2M)

Author

H. Böttger

1982, Technical memorandum, ECMWF Technical Memoranda

File

8511-point-verification-and-simple-statistical-adaptation-ecmwf-model-forecasts-dewpoint-2m.pdf

Benchmark exercises on Cray X-MP

Author

J. Gibson

N. Storer

D. Dent

1982, Technical memorandum, ECMWF Technical Memoranda

File

9587-benchmark-exercises-cray-x-mp.pdf

A note on prime factor FFT algorithms

Author

C. Temperton

1982, Technical memorandum, ECMWF Technical Memoranda

File

12607-note-prime-factor-fft-algorithms.pdf

Local-area networks: Why - What - How

Author

W. Jensen

1982, Technical memorandum, ECMWF Technical Memoranda

File

10263-local-area-networks-why-what-how.pdf

A case study of an overintensified cyclone development in the ECMWF

Author

H. Sävijärvi

O. Åkesson

1982, Technical memorandum, ECMWF Technical Memoranda

File

12516-case-study-overintensified-cyclone-development-ecmwf.pdf

Self-sorting mixed-radix fast Fourier transforms

Author

C. Temperton

1982, Technical memorandum, ECMWF Technical Memoranda

File

12606-self-sorting-mixed-radix-fast-fourier-transforms.pdf

The ECMWF grid point model simulator

Author

D. Dent

J. Gibson

N. Storer

1982, Technical memorandum, ECMWF Technical Memoranda

File

8986-ecmwf-grid-point-model-simulator.pdf

An introduction to GKS - The Graphical Kernel System

Author

A. Ducrot

H. Watkins

1982, Technical memorandum, ECMWF Technical Memoranda

File

9156-introduction-gks-graphical-kernel-system.pdf

Optimal verification of ECMWF surface temperature forecasts at two locations in Europe

Author

H. Böttger

S. Grönås

1982, Technical memorandum, ECMWF Technical Memoranda

File

8526-optimal-verification-ecmwf-surface-temperature-forecasts-two-locations-europe.pdf

Report on a study of the EC radiation scheme

Author

J.M. Slingo

1982, Technical memorandum, ECMWF Technical Memoranda

File

12308-report-study-ec-radiation-scheme.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?

A screening multiple discriminant analysis program

Point verification and simple statistical adaptation of ECMWF model forecasts of dewpoint (2M)

Benchmark exercises on Cray X-MP

A note on prime factor FFT algorithms

Local-area networks: Why - What - How

A case study of an overintensified cyclone development in the ECMWF

Self-sorting mixed-radix fast Fourier transforms

The ECMWF grid point model simulator

An introduction to GKS - The Graphical Kernel System

Optimal verification of ECMWF surface temperature forecasts at two locations in Europe

Report on a study of the EC radiation scheme

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