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A comparison of ETKF Targeting Guidance with ECMWF and NRL TE-SVs Targeting Guidance

Author

S. Majumdar

C.H. Bishop

Roberto Buizza

R. Gelaro

2002, Technical memorandum, ECMWF Technical Memoranda

File

10944-comparison-etkf-targeting-guidance-ecmwf-and-nrl-te-svs-targeting-guidance.pdf

A reduced rank estimate of forecast error variance changes due to intermittent modifications of the observing network

Author

Martin Leutbecher

2002, Technical memorandum, ECMWF Technical Memoranda

File

10720-reduced-rank-estimate-forecast-error-variance-changes-due-intermittent-modifications-observing.pdf

Assessment of European wind profiler data, in an NWP context

Author

Erik Andersson

Anotonio Garcia-Mendez

2002, Technical memorandum, ECMWF Technical Memoranda

File

7749-assessment-european-wind-profiler-data-nwp-context.pdf

Assessment of the ECMWF ensemble prediction system for waves and marine winds

Author

Ø. Saetra

Jean-Raymond Bidlot

2002, Technical memorandum, ECMWF Technical Memoranda

File

12060-assessment-ecmwf-ensemble-prediction-system-waves-and-marine-winds.pdf

Assimilation and Modelling of the Hydrological Cycle: ECMWF's Status and Plans

Author

E. Hólm

Erik Andersson

Anton Beljaars

Philippe Lopez

J.-F. Mahfouf

Adrian Simmons

Jean-Noël Thépaut

2002, Technical memorandum, ECMWF Technical Memoranda

File

9996-assimilation-and-modelling-hydrological-cycle-ecmwfs-status-and-plans.pdf

Benefits of increased resolution in the ECMWF ensemble system and comparison with poor-man's ensembles

Author

Roberto Buizza

David Richardson

T.N. Palmer

2002, Technical memorandum, ECMWF Technical Memoranda

File

8467-benefits-increased-resolution-ecmwf-ensemble-system-and-comparison-poor-mans-ensembles.pdf

Boreal-Forest Surface parameterization in the ECMWFModel - 1D Test with NOPEX Long-Term Data

Author

D. Gustafsson

E. Lewan

B.J.J. van den Hurk

P. Viterbo

A. Grelle

A. Lindroth

E. Cienciala

M. Mölder

S Halldin

L-C. Lundin

2002, Technical memorandum, ECMWF Technical Memoranda

File

9687-boreal-forest-surface-parameterization-ecmwfmodel-1d-test-nopex-long-term-data.pdf

Clear-sky window channel radiances: a comparison between observations and the ECMWF model

Author

I.F. Trigo

P. Viterbo

2002, Technical memorandum, ECMWF Technical Memoranda

File

12831-clear-sky-window-channel-radiances-comparison-between-observations-and-ecmwf-model.pdf

Climate diagnostics of the ECMWF AMIP-2 simulations

Author

C. Brankovic

M.J. Miller

A. Untch

Nils Wedi

2002, Technical memorandum, ECMWF Technical Memoranda

File

8361-climate-diagnostics-ecmwf-amip-2-simulations.pdf

Comparison of TMI rainfall estimates and their impact on 4D-Var assimilation

Author

V. Marécal

J.-F. Mahfouf

Peter Bauer

2002, Technical memorandum, ECMWF Technical Memoranda

File

11001-comparison-tmi-rainfall-estimates-and-their-impact-4d-var-assimilation.pdf

Early detection of abnormal weather using a probabilistic Extreme Forecast Index

Author

F. Lalaurette

2002, Technical memorandum, ECMWF Technical Memoranda

File

10629-early-detection-abnormal-weather-using-probabilistic-extreme-forecast-index.pdf

Effects of observations errors on the statistics for ensemble spread and reliability

Author

Ø. Saetra

Jean-Raymond Bidlot

Hans Hersbach

David Richardson

2002, Technical memorandum, ECMWF Technical Memoranda

File

12061-effects-observations-errors-statistics-ensemble-spread-and-reliability.pdf

Error analysis of TMI rainfall estimates over ocean for variational data assimilation

Author

Peter Bauer

J.-F. Mahfouf

W.S. Olson

F.S Marzano

S. Di Michele

A. Tassa

A. Mugnai

2002, Technical memorandum, ECMWF Technical Memoranda

File

7983-error-analysis-tmi-rainfall-estimates-over-ocean-variational-data-assimilation.pdf

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

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

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

Evaluation of the diurnal cycle of precipitation, surface thermodynamics and surface fluxes in the ECMWF model using LBA data

Author

A. Betts

C. Jakob

2002, Technical memorandum, ECMWF Technical Memoranda

File

8199-evaluation-diurnal-cycle-precipitation-surface-thermodynamics-and-surface-fluxes-ecmwf-model.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

Experiments on 4D-Var assimilation of rainfall data using an incremental formulation

Author

V. Marécal

J.-F. Mahfouf

2002, Technical memorandum, ECMWF Technical Memoranda

File

10999-experiments-4d-var-assimilation-rainfall-data-using-incremental-formulation.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

Impact of Leaf Area Index seasonality on the annual land surface evaporation in a global circulation model

Author

B.J.J. van den Hurk

P. Viterbo

S.O. Los

2002, Technical memorandum, ECMWF Technical Memoranda

File

13263-impact-leaf-area-index-seasonality-annual-land-surface-evaporation-global-circulation-model.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

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

Search ECMWF publications

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A comparison of ETKF Targeting Guidance with ECMWF and NRL TE-SVs Targeting Guidance

A reduced rank estimate of forecast error variance changes due to intermittent modifications of the observing network

Assessment of European wind profiler data, in an NWP context

Assessment of the ECMWF ensemble prediction system for waves and marine winds

Assimilation and Modelling of the Hydrological Cycle: ECMWF's Status and Plans

Benefits of increased resolution in the ECMWF ensemble system and comparison with poor-man's ensembles

Boreal-Forest Surface parameterization in the ECMWFModel - 1D Test with NOPEX Long-Term Data

Clear-sky window channel radiances: a comparison between observations and the ECMWF model

Climate diagnostics of the ECMWF AMIP-2 simulations

Comparison of TMI rainfall estimates and their impact on 4D-Var assimilation

Early detection of abnormal weather using a probabilistic Extreme Forecast Index

Effects of observations errors on the statistics for ensemble spread and reliability

Error analysis of TMI rainfall estimates over ocean for variational data assimilation

Evaluating the impact of prognostic ozone in IFS NWP forecasts

Evaluation of ECMWF forecasts, including the 2020 upgrade

Evaluation of ECMWF forecasts, including the 2021 upgrade

Evaluation of the diurnal cycle of precipitation, surface thermodynamics and surface fluxes in the ECMWF model using LBA data

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

Experiments on 4D-Var assimilation of rainfall data using an incremental formulation

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

Impact of Leaf Area Index seasonality on the annual land surface evaporation in a global circulation model

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

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

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