Technical Memoranda

926
Bruce Ingleby
Diagnostics of radiosonde uncertainties
05/2025

81661-diagnostics-of-radiosonde-uncertainties.pdf
924
Fatima-Maria Pillosu; Tim Hewson; Elisabeth Stephens; Christel Prudhomme; Hannah Cloke
Does a multivariate approach enhance univariate grid-to-point post-processed rainfall forecasts? A comparative analysis
01/2025

81638-does-a-multivariate-approach-enhance-univariate-grid-to-point-post-processed-rainfall-forecasts-a-comparative-analysis.pdf
920
Philippe Lopez
Solar Eclipses in the IFS
01/2025

81633-solar-eclipses-in-the-ifs.pdf
925
Zaizhong Ma; Niels Bormann; Katie Lean; David Duncan; Ernesto Berbery; Satya Kalluri
Forecast impact assessment of a potential ATMS instrument in the early-morning orbit using the EDA method
12/2024

81632-forecast-impact-assessment-of-a-potential-atms-instrument-in-the-early-morning-orbit-using-the-eda-method.pdf
923
Franco Molteni; Anca Brookshaw
Indian Ocean teleconnections to the northern extra-tropics
12/2024

81637-indian-ocean-teleconnections-to-the-northern-extra-tropics.pdf
922
Franco Molteni; Anca Brookshaw
Multi-decadal variability of tropical rainfall
12/2024

81636-multi-decadal-variability-of-tropical-rainfall.pdf
919
Tim Hewson; Matthieu Chevallier
Use and Verification of ECMWF products
09/2024

81583-use-and-verification-of-ecmwf-products.pdf
918
Thomas Haiden; Martin Janousek; Frédéric Vitart; Maliko Tanguy; Fernando Prates; Matthieu Chevalier
Evaluation of ECMWF forecasts
09/2024

81582-evaluation-of-ecmwf-forecasts.pdf
917
Fatima-Maria Pillosu; A Bucherie; A Kruczkiewicz; Thomas Haiden; C. Baugh; C Hultquist; H Vergara; Florian Pappenberger; E Stephens; Christel Prudhomme; Hannah Cloke
Can global rainfall forecasts identify areas at flash flood risk? Proof of concept for Ecuador
06/2024

81571-can-global-rainfall-forecasts-identify-areas-at-flash-flood-risk-proof-of-concept-for-ecuador.pdf
916
Sean Healy; Niels Bormann; Alan Geer; Elias Holm; Bruce Ingleby; Katie Lean; Katrin Lonitz; Cristina Lupu
Methods for assessing the impact of current and future components of the global observing system
04/2024

81556-methods-for-assessing-the-impact-of-current-and-future-components-of-the-global-observing-system.pdf
915
Alan Geer; Cristina Lupu; David Duncan; Niels Bormann; Stephen English
SURFEM-ocean microwave surface emissivity evaluated
02/2024

81550-surfem-ocean-microwave-surface-emissivity-evaluated.pdf
914
Tiago Quintino; Iain Russell; Daniel Tipping; Dusan Figala
Impact of using Github enterprise for open development
11/2023

81524-impact-of-using-github-enterprise-for-open-development.pdf
913
Sebastien Massart
Extended control variable (XCV): skin temperature background correction for the assimilation of clear-sky microwave radiances
10/2023

81514-extended-control-variable-xcv-skin-temperature-background-correction-for-the-assimilation-of-clear-sky-microwave-radiances.pdf
912
Niels Bormann; Linus Magnusson; David Duncan; Mohamed Dahoui
Characterisation and correction of orbital biases in AMSU-A and ATMS observations in the ECMWF system
10/2023

81520-characterisation-and-correction-of-orbital-biases-in-amsu-a-and-atms-observations-in-the-ecmwf-system.pdf
911
Thomas Haiden; Martin Janousek; Frédéric Vitart; Zied Ben-Bouallegue; Fernando Prates
Evaluation of ECMWF forecasts, including the 2023 upgrade
09/2023

81389-evaluation-of-ecmwf-forecasts-including-the-2023-upgrade.pdf
906
Daisuke Hotta; Katrin Lonitz; Sean Healy
Forward operator for polarimetric radio occultation measurements
06/2023
81358-forward-operator-polarimetric-radio-occultation-measurements.pdf
905
David Duncan; Niels Bormann; Alan Geer; Peter Weston
Superobbing and Finer Thinning for All-sky Humidity Sounder Assimilation
03/2023
81345-superobbing-and-finer-thinning-all-sky-humidity-sounder-assimilation.pdf
904
Tiago Quintino; Umberto Modigliani; Florian Pappenberger; Sylvie Lamy-Thepaut; Simon Smart; James Hawkes; Iain Russell; Laurent Gougeon; Cristiano Zanna; Baudouin Raoult
Software Strategy and Roadmap 2023-2027
01/2023
81334-software-strategy-and-roadmap-2023-2027.pdf
903
Philippe Lopez; Marco Matricardi
Validation of IFS+RTTOV/MFASIS0.64-μm reflectances against observations from GOES-16, GOES-17, MSG-4 and Himawari-8
09/2022
20472-validation-ifsrttovmfasis064-mm-reflectances-against-observations-goes-16-goes-17-msg-4-and.pdf
902
Thomas Haiden; Martin Janousek; Frédéric Vitart; Zied Ben-Bouallegue; Laura Ferranti; Fernando Prates; David Richardson
Evaluation of ECMWF forecasts, including the 2021 upgrade
09/2022
20469-evaluation-ecmwf-forecasts-including-2021-upgrade.pdf
901
Stephan Hemri; Tim Hewson; Estibaliz Gascon; Jan Rajczak; Jonas Bhend; Christoph Spririg; Lionel Moret; Mark Liniger
How do ecPoint precipitation forecasts compare with postprocessed multi-model ensemble predictions over Switzerland?
08/2022
81319-how-do-ecpoint-precipitation-forecasts-compare-postprocessed-multi-model-ensemble-predictions.pdf
900
Eugen Betke; Tiago Quintino; Simon Smart; Tomas Wilhelmsson
Impact of GRIB compression on weather forecast data and data-handling applications
08/2022
81320-impact-grib-compression-weather-forecast-data-and-data-handling-applications.pdf
899
Chris Burrows; Pierre Dussarrat
Preparing for the exploitation of MTG-S IRS in NWP using FY4-A GIIRS observations
06/2022
20396-preparing-exploitation-mtg-s-irs-nwp-using-fy4-giirs-obs.pdf
898
Michael Mayer; Magdalena Alonso-Balmaseda; Stephanie Johnson; Linus Magnusson; Christopher Roberts; Hao Zuo
Outcomes from UGROW-IO: Forecast errors in the Eastern Indian Ocean across lead times
06/2022
20401-outcomes-ugrow-io-forecast-errors-eastern-indian-ocean-across-lead-times.pdf