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Showing 73 - 96 of 136 results

Evaluation of ECMWF forecasts, including the 2021 upgrade

Author

Thomas Haiden

Martin Janousek

Frédéric Vitart

Zied Ben-Bouallegue

Fernando Prates

2021, Technical memorandum, ECMWF Technical Memoranda

File

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

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

Author

M Bramberger

A. Dörnbrack

L. Isaksen

Martin Leutbecher

2021, Technical memorandum, ECMWF Technical Memoranda

File

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

Final Technical Note of 'Impact assessment of commercial GNSS-RO data'

Author

C. Marquardt

Neill Bowler

Sean Healy

2021, Report, ESA Contract Report 4000131086/20/NL/FF/a

File

20240-final-technical-note-impact-assessment-commercial-gnss-ro-data.pdf

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

Author

Eleanor Hansford

K O'Regan

Fredrik Wetterhall

2021, Technical memorandum, ECMWF Technical Memoranda

File

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

Forecasting clear-air turbulence

Author

Martina Bramberger

Andreas Dornbrack

Martin Leutbecher

Lars Isaksen

2021, Newsletter Feature Article, ECMWF Newsletter

File

20117-forecasting-clear-air-turbulence.pdf

GRDS test-bed report

Author

Patricia de Rosnay

Stephen English

2021, Report, ESA Contract Report

File

20088-grds-test-bed-report.pdf

How APPLICATE contributed to ECMWF core activities

Author

Gabriele Arduini

Linus Magnusson

Heather Lawrence

Gianpaolo Balsamo

Thomas Haiden

2021, Newsletter Feature Article, ECMWF Newsletter

File

20116-how-applicate-contributed-ecmwf-core-activities.pdf

IFS Documentation CY47R3 - Part I: Observations

Author

ECMWF

2021, Book Chapter, IFS Documentation CY47R3, IFS Documentation

File

81268-ifs-documentation-cy47r3-part-i-observations.pdf

IFS Documentation CY47R3 - Part II: Data assimilation

Author

ECMWF

2021, Book Chapter, IFS Documentation CY47R3, IFS Documentation

File

81269-ifs-documentation-cy47r3-part-ii-data-assimilation.pdf

IFS Documentation CY47R3 - Part III Dynamics and numerical procedures

Author

ECMWF

2021, Book Chapter, IFS Documentation CY47R3, IFS Documentation

File

81270-ifs-documentation-cy47r3-part-iii-dynamics-and-numerical-procedures.pdf

IFS Documentation CY47R3 - Part IV Physical processes

Author

ECMWF

2021, Book Chapter, IFS Documentation CY47R3, IFS Documentation

File

81271-ifs-documentation-cy47r3-part-iv-physical-processes.pdf

IFS Documentation CY47R3 - Part V Ensemble prediction system

Author

ECMWF

2021, Book Chapter, IFS Documentation CY47R3, IFS Documentation

File

81272-ifs-documentation-cy47r3-part-v-ensemble-prediction-system.pdf

IFS Documentation CY47R3 - Part VI: Technical and computational procedures

Author

ECMWF

2021, Book Chapter, IFS Documentation CY47R3, IFS Documentation

File

81273-ifs-documentation-cy47r3-part-vi-technical-and-computational-procedures.pdf

IFS Documentation CY47R3 - Part VII: ECMWF Wave model

Author

ECMWF

2021, Book Chapter, IFS Documentation CY47R3, IFS Documentation

File

81274-ifs-documentation-cy47r3-part-vii-ecmwf-wave-model.pdf

IFS upgrade improves moist physics and use of satellite observations

Author

Patrick Laloyaux

2021, Newsletter Feature Article, ECMWF Newsletter

File

20232-ifs-upgrade-improves-moist-physics-and-use-satellite-observations.pdf

IFS upgrade provides more skilful ensemble forecasts

Author

Michail Diamantakis

Martin Janousek

Inna Polichtchouk

Fernando Prates

Christopher Roberts

Filip Vána

2021, Newsletter Feature Article, ECMWF Newsletter

File

20115-ifs-upgrade-provides-more-skilful-ensemble-forecasts.pdf

IFShub: a new way to work with IFS experiments

Author

Paul Burton

Manuel Martins

Stephan Siemen

Michael Sleigh

2021, Newsletter Feature Article, ECMWF Newsletter

File

19999-ifshub-new-way-work-ifs-experiments.pdf

Interactive cloud and radiation in the Meteorological Office general circulation model. (Lecture given by J.F.B. Mitchell)

Author

J.M. Slingo

1980, Conference Paper, Workshop on Radiation and Cloud-radiation in Numerical Modelling, 15-17 October 1980

File

76436-interactive-cloud-and-radiation-meteorological-office-general-circulation-model-lecture-given.pdf

Introduction

Author

Various Authors

1980, Conference Paper, Workshop on Radiation and Cloud-radiation in Numerical Modelling, 15-17 October 1980

File

7487-introduction.pdf

Introduction

Author

Various Authors

1980, Conference Paper, Workshop on Diagnostics of Diabatic Processes, 23-25 April 1980

File

7488-introduction.pdf

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

Author

2021, Technical memorandum, ECMWF Technical Memoranda

File

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

Long wave radiation fluxes in partially cloudy atmosphere

Author

W.G. Panhans

1980, Conference Paper, Workshop on Radiation and Cloud-radiation in Numerical Modelling, 15-17 October 1980

File

75943-long-wave-radiation-fluxes-partially-cloudy-atmosphere.pdf

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

Author

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

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

Author

Umberto Modigliani

Alan Geer

Stephan Siemen

Florian Pappenberger

Andy Brown

Martin Palkovic

Baudouin Raoult

Vasileios Baousis

2021, Technical memorandum, ECMWF Technical Memoranda

File

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