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Solar Eclipses in the IFS

Author

Philippe Lopez

2025, Technical memorandum, Technical Memoranda

File

81633-solar-eclipses-in-the-ifs.pdf

Does a multivariate approach enhance univariate grid-to-point post-processed rainfall forecasts? A comparative analysis

Author

Fatima-Maria Pillosu

Tim Hewson

Elisabeth Stephens

Christel Prudhomme

Hannah Cloke

2025, Technical memorandum, ECMWF Technical Memoranda

File

81638-does-a-multivariate-approach-enhance-univariate-grid-to-point-post-processed-rainfall-forecasts-a-comparative-analysis.pdf

Forecast impact assessment of a potential ATMS instrument in the early-morning orbit using the EDA method

Author

Zaizhong Ma

Niels Bormann

Katie Lean

David Duncan

Ernesto Berbery

Satya Kalluri

2024, Technical memorandum, Technical Memoranda

File

81632-forecast-impact-assessment-of-a-potential-atms-instrument-in-the-early-morning-orbit-using-the-eda-method.pdf

Multi-decadal variability of tropical rainfall

Author

Franco Molteni

Anca Brookshaw

2024, Technical memorandum, ECMWF Technical Memoranda

File

81636-multi-decadal-variability-of-tropical-rainfall.pdf

Indian Ocean teleconnections to the northern extra-tropics

Author

Franco Molteni

Anca Brookshaw

2024, Technical memorandum, ECMWF Technical Memoranda

File

81637-indian-ocean-teleconnections-to-the-northern-extra-tropics.pdf

Evaluation of ECMWF forecasts

Author

Thomas Haiden

Martin Janousek

Frédéric Vitart

Maliko Tanguy

Fernando Prates

Matthieu Chevalier

2024, Technical memorandum, ECMWF Technical Memoranda

File

81582-evaluation-of-ecmwf-forecasts.pdf

Use and Verification of ECMWF products

Author

Tim Hewson

Matthieu Chevallier

2024, Technical memorandum, Technical Memoranda

File

81583-use-and-verification-of-ecmwf-products.pdf

Can global rainfall forecasts identify areas at flash flood risk? Proof of concept for Ecuador

Author

Fatima-Maria Pillosu

A Bucherie

A Kruczkiewicz

Thomas Haiden

C. Baugh

C Hultquist

H Vergara

Florian Pappenberger

E Stephens

Christel Prudhomme

Hannah Cloke

2024, Technical memorandum, ECMWF Technical Memoranda

File

81571-can-global-rainfall-forecasts-identify-areas-at-flash-flood-risk-proof-of-concept-for-ecuador.pdf

Methods for assessing the impact of current and future components of the global observing system

Author

Sean Healy

Niels Bormann

Alan Geer

Elias Holm

Bruce Ingleby

Katie Lean

Katrin Lonitz

Cristina Lupu

2024, Technical memorandum, ECMWF Technical Memoranda

File

81556-methods-for-assessing-the-impact-of-current-and-future-components-of-the-global-observing-system.pdf

SURFEM-ocean microwave surface emissivity evaluated

Author

Alan Geer

Cristina Lupu

David Duncan

Niels Bormann

Stephen English

2024, Technical memorandum, ECMWF Technical Memoranda

File

81550-surfem-ocean-microwave-surface-emissivity-evaluated.pdf

Extended control variable (XCV): skin temperature background correction for the assimilation of clear-sky microwave radiances

Author

Sebastien Massart

2023, Technical memorandum, ECMWF Technical Memoranda

File

81514-extended-control-variable-xcv-skin-temperature-background-correction-for-the-assimilation-of-clear-sky-microwave-radiances.pdf

Characterisation and correction of orbital biases in AMSU-A and ATMS observations in the ECMWF system

Author

Niels Bormann

Linus Magnusson

David Duncan

Mohamed Dahoui

2023, Technical memorandum, ECMWF Technical Memoranda

File

81520-characterisation-and-correction-of-orbital-biases-in-amsu-a-and-atms-observations-in-the-ecmwf-system.pdf

Evaluation of ECMWF forecasts, including the 2023 upgrade

Author

Thomas Haiden

Martin Janousek

Frédéric Vitart

Zied Ben-Bouallegue

Fernando Prates

2023, Technical memorandum, ECMWF Technical Memoranda

File

81389-evaluation-of-ecmwf-forecasts-including-the-2023-upgrade.pdf

Forward operator for polarimetric radio occultation measurements

Author

Daisuke Hotta

Katrin Lonitz

Sean Healy

2023, Technical memorandum, ECMWF Technical Memoranda

File

81358-forward-operator-polarimetric-radio-occultation-measurements.pdf

Superobbing and Finer Thinning for All-sky Humidity Sounder Assimilation

Author

David Duncan

Niels Bormann

Alan Geer

Peter Weston

2023, Technical memorandum, ECMWF Technical Memoranda

File

81345-superobbing-and-finer-thinning-all-sky-humidity-sounder-assimilation.pdf

Software Strategy and Roadmap 2023-2027

Author

Tiago Quintino

Umberto Modigliani

Florian Pappenberger

Sylvie Lamy-Thepaut

Simon Smart

James Hawkes

Iain Russell

Laurent Gougeon

Cristiano Zanna

Baudouin Raoult

2023, Technical memorandum, ECMWF Technical Memoranda

File

81334-software-strategy-and-roadmap-2023-2027.pdf

How do ecPoint precipitation forecasts compare with postprocessed multi-model ensemble predictions over Switzerland?

Author

Stephan Hemri

Tim Hewson

Estibaliz Gascon

Jan Rajczak

Jonas Bhend

Christoph Spririg

Lionel Moret

Mark Liniger

2022, Technical memorandum, ECMWF Technical Memoranda

File

81319-how-do-ecpoint-precipitation-forecasts-compare-postprocessed-multi-model-ensemble-predictions.pdf

Impact of GRIB compression on weather forecast data and data-handling applications

Author

Eugen Betke

Tiago Quintino

Simon Smart

Tomas Wilhelmsson

2022, Technical memorandum, ECMWF Technical Memoranda

File

81320-impact-grib-compression-weather-forecast-data-and-data-handling-applications.pdf

Evaluation of ECMWF forecasts, including the 2021 upgrade

Author

Thomas Haiden

Fernando Prates

2022, Technical memorandum, ECMWF Technical Memoranda

File

20469-evaluation-ecmwf-forecasts-including-2021-upgrade.pdf

Validation of IFS+RTTOV/MFASIS0.64-μm reflectances against observations from GOES-16, GOES-17, MSG-4 and Himawari-8

Author

Philippe Lopez

Marco Matricardi

2022, Technical memorandum, ECMWF Technical Memoranda

File

20472-validation-ifsrttovmfasis064-mm-reflectances-against-observations-goes-16-goes-17-msg-4-and.pdf

Preparing for the exploitation of MTG-S IRS in NWP using FY4-A GIIRS observations

Author

Chris Burrows

Pierre Dussarrat

2022, Technical memorandum, ECMWF Technical Memoranda

File

20396-preparing-exploitation-mtg-s-irs-nwp-using-fy4-giirs-obs.pdf

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

Search ECMWF publications

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Solar Eclipses in the IFS

Does a multivariate approach enhance univariate grid-to-point post-processed rainfall forecasts? A comparative analysis

Forecast impact assessment of a potential ATMS instrument in the early-morning orbit using the EDA method

Multi-decadal variability of tropical rainfall

Indian Ocean teleconnections to the northern extra-tropics

Evaluation of ECMWF forecasts

Use and Verification of ECMWF products

Can global rainfall forecasts identify areas at flash flood risk? Proof of concept for Ecuador

Methods for assessing the impact of current and future components of the global observing system

SURFEM-ocean microwave surface emissivity evaluated

Extended control variable (XCV): skin temperature background correction for the assimilation of clear-sky microwave radiances

Characterisation and correction of orbital biases in AMSU-A and ATMS observations in the ECMWF system

Evaluation of ECMWF forecasts, including the 2023 upgrade

Forward operator for polarimetric radio occultation measurements

Superobbing and Finer Thinning for All-sky Humidity Sounder Assimilation

Software Strategy and Roadmap 2023-2027

How do ecPoint precipitation forecasts compare with postprocessed multi-model ensemble predictions over Switzerland?

Impact of GRIB compression on weather forecast data and data-handling applications

Evaluation of ECMWF forecasts, including the 2021 upgrade

Validation of IFS+RTTOV/MFASIS0.64-μm reflectances against observations from GOES-16, GOES-17, MSG-4 and Himawari-8

Preparing for the exploitation of MTG-S IRS in NWP using FY4-A GIIRS observations

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

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