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The ECMWF implementation of three dimensional variational assimilation. Part II: Structure functions

Author

Florence Rabier

A. McNally

Erik Andersson

P. Courtier

P. Undén

J. Eyre

A. Hollingsworth

F. Bouttier

1998, Technical memorandum, ECMWF Technical Memoranda

File

11799-ecmwf-implementation-three-dimensional-variational-assimilation-part-ii-structure-functions.pdf

ECMWF study to quantify the interaction between terrestrial and space-based observing systems on Numerical Weather Prediction skill

Author

G. Radnóti

Peter Bauer

A. McNally

Andras Horányi

2012, Technical memorandum, ECMWF Technical Memoranda

File

11814-ecmwf-study-quantify-interaction-between-terrestrial-and-space-based-observing-systems.pdf

Skill and relative economic value of the ECMWF Ensemble Prediction System

Author

David Richardson

1998, Technical memorandum, ECMWF Technical Memoranda

File

11903-skill-and-relative-economic-value-ecmwf-ensemble-prediction-system.pdf

Verification statistics and evaluations of ECMWF forecasts in 2011-2012.

Author

David Richardson

Jean-Raymond Bidlot

Laura Ferranti

A Ghelli

Thomas Haiden

Tim Hewson

Martin Janousek

F. Prates

Frédéric Vitart

2012, Technical memorandum, ECMWF Technical Memoranda

File

11917-verification-statistics-and-evaluations-ecmwf-forecasts-2011-2012.pdf

A bare ground evaporation revision in the ECMWF land-surface scheme: evaluation of its impact using ground soil moisture and satellite microwave data

Author

C. Albergel

Gianpaolo Balsamo

Patricia de Rosnay

J. Munoz-Sabater

Souhail Boussetta

2012, Technical memorandum, ECMWF Technical Memoranda

File

7671-bare-ground-evaporation-revision-ecmwf-land-surface-scheme-evaluation-its-impact-using-ground.pdf

The ECMWF implementation of three dimensional variational assimilation. Part III: Experimental results

Author

Erik Andersson

J. Haseler

P. Undén

P. Courtier

G.A. Kelly

Drasko Vasiljevic

C. Brankovic

Carla Cardinali

C. Gaffard

A. Hollingsworth

C. Jakob

Peter Janssen

E. Klinker

A. Lanzinger

M.J. Miller

Florence Rabier

Adrian Simmons

B. Strauss

Jean-Noël Thépaut

P. Viterbo

1998, Technical memorandum, ECMWF Technical Memoranda

File

7752-ecmwf-implementation-three-dimensional-variational-assimilation-part-iii-experimental-results.pdf

A probability and decision-model analysis of PROVOST seasonal multi-model ensemble integrations

Author

T.N. Palmer

C. Brankovic

David Richardson

1998, Technical memorandum, ECMWF Technical Memoranda

File

11544-probability-and-decision-model-analysis-provost-seasonal-multi-model-ensemble-integrations.pdf

An experimental scheme to predict forecast skill

Author

T.N. Palmer

Franco Molteni

1987, Technical memorandum, ECMWF Technical Memoranda

File

11558-experimental-scheme-predict-forecast-skill.pdf

Predictability studies in the medium and extended range

Author

T.N. Palmer

S. Tibaldi

1987, Technical memorandum, ECMWF Technical Memoranda

File

11564-predictability-studies-medium-and-extended-range.pdf

Report on 4th meeting of Member State Computing Representatives, 9-10 October 1986

Author

A. Lea

1987, Technical memorandum, ECMWF Technical Memoranda

File

10682-report-4th-meeting-member-state-computing-representatives-9-10-october-1986.pdf

Experimental 4D-Var assimilation of SYNOP rain gauge data at ECMWF

Author

Philippe Lopez

2012, Technical memorandum, ECMWF Technical Memoranda

File

10790-experimental-4d-var-assimilation-synop-rain-gauge-data-ecmwf.pdf

Evaluation of forecast strategies for seasonal and decadal forecasts in presence of systematic model errors

Author

L. Magnusson

Magdalena Alonso-Balmaseda

S Corti

Franco Molteni

Tim Stockdale

2012, Technical memorandum, ECMWF Technical Memoranda

File

10916-evaluation-forecast-strategies-seasonal-and-decadal-forecasts-presence-systematic-model-errors.pdf

Influence of physical processes on the tangent-linear approximation

Author

J.-F. Mahfouf

1998, Technical memorandum, ECMWF Technical Memoranda

File

10919-influence-physical-processes-tangent-linear-approximation.pdf

User requirements for the assimilation of TRMM products in the ECMWF 4D-Var system

Author

J.-F. Mahfouf

E. Gerard

V. Marécal

M.J. Miller

R. Saunders

1998, Technical memorandum, ECMWF Technical Memoranda

File

10927-user-requirements-assimilation-trmm-products-ecmwf-4d-var-system.pdf

Representing land surface heterogeneity with the tiling method: merits and limitations in presence of large contrast

Author

Manrique Suñén

A. Nordbo

Gianpaolo Balsamo

Anton Beljaars

I. Mammarella

2012, Technical memorandum, ECMWF Technical Memoranda

File

10959-representing-land-surface-heterogeneity-tiling-method-merits-and-limitations-presence-large.pdf

The direct assimilation of principal components of IASI spectra in the ECMWF 4D-Var

Author

Marco Matricardi

A. McNally

2012, Technical memorandum, ECMWF Technical Memoranda

File

11028-direct-assimilation-principal-components-iasi-spectra-ecmwf-4d-var.pdf

Observing system experiments to assess the impact of possible future degradation of the Global Satellite Observing Network

Author

A. McNally

2012, Technical memorandum, ECMWF Technical Memoranda

File

11085-observing-system-experiments-assess-impact-possible-future-degradation-global-satellite.pdf

The NEMOVAR ocean data assimilation system as implemented in the ECMWF ocean analysis for System 4

Author

Kristian Mogensen

Weaver Balmaseda

2012, Technical memorandum, ECMWF Technical Memoranda

File

11174-nemovar-ocean-data-assimilation-system-implemented-ecmwf-ocean-analysis-system-4.pdf

Coupling of the NEMO and IFS models in a single executable

Author

Kristian Mogensen

Sarah Keeley

P. Towers

2012, Technical memorandum, ECMWF Technical Memoranda

File

11175-coupling-nemo-and-ifs-models-single-executable.pdf

Impact of a validated radiative transfer scheme, RRTM, on the ECMWF model climate and 10-day forecasts

Author

J.-J. Morcrette

S.A. Clough

E.J. Mlawer

M.J. Iacono

1998, Technical memorandum, ECMWF Technical Memoranda

File

11252-impact-validated-radiative-transfer-scheme-rrtm-ecmwf-model-climate-and-10-day-forecasts.pdf

Why is it so difficult to represent stably stratified conditions in NWP models?

Author

Irina Sandu

Anton Beljaars

Peter Bechtold

T. Mauritsen

Gianpaolo Balsamo

2012, Technical memorandum, ECMWF Technical Memoranda

File

12086-why-it-so-difficult-represent-stably-stratified-conditions-nwp-models.pdf

Some results from studies of increased horizontal and vertical resolution

Author

Adrian Simmons

L. Dell'Osso

J.M. Hoyer

G. Sakellarides

1987, Technical memorandum, ECMWF Technical Memoranda

File

12269-some-results-studies-increased-horizontal-and-vertical-resolution.pdf

Stratospheric water vapour and tropical tropopause temperatures in ECMWF analyses and multi-year simulations

Author

Adrian Simmons

A. Untch

C. Jakob

P.W. Kållberg

P. Undén

1998, Technical memorandum, ECMWF Technical Memoranda

File

12287-stratospheric-water-vapour-and-tropical-tropopause-temperatures-ecmwf-analyses-and-multi-year.pdf

30 day integrations using the operational ECMWF spectral model

Author

S. Tibaldi

C. Brankovic

U. Cubasch

1987, Technical memorandum, ECMWF Technical Memoranda

File

12721-30-day-integrations-using-operational-ecmwf-spectral-model.pdf

Search ECMWF publications

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The ECMWF implementation of three dimensional variational assimilation. Part II: Structure functions

ECMWF study to quantify the interaction between terrestrial and space-based observing systems on Numerical Weather Prediction skill

Skill and relative economic value of the ECMWF Ensemble Prediction System

Verification statistics and evaluations of ECMWF forecasts in 2011-2012.

A bare ground evaporation revision in the ECMWF land-surface scheme: evaluation of its impact using ground soil moisture and satellite microwave data

The ECMWF implementation of three dimensional variational assimilation. Part III: Experimental results

A probability and decision-model analysis of PROVOST seasonal multi-model ensemble integrations

An experimental scheme to predict forecast skill

Predictability studies in the medium and extended range

Report on 4th meeting of Member State Computing Representatives, 9-10 October 1986

Experimental 4D-Var assimilation of SYNOP rain gauge data at ECMWF

Evaluation of forecast strategies for seasonal and decadal forecasts in presence of systematic model errors

Influence of physical processes on the tangent-linear approximation

User requirements for the assimilation of TRMM products in the ECMWF 4D-Var system

Representing land surface heterogeneity with the tiling method: merits and limitations in presence of large contrast

The direct assimilation of principal components of IASI spectra in the ECMWF 4D-Var

Observing system experiments to assess the impact of possible future degradation of the Global Satellite Observing Network

The NEMOVAR ocean data assimilation system as implemented in the ECMWF ocean analysis for System 4

Coupling of the NEMO and IFS models in a single executable

Impact of a validated radiative transfer scheme, RRTM, on the ECMWF model climate and 10-day forecasts

Why is it so difficult to represent stably stratified conditions in NWP models?

Some results from studies of increased horizontal and vertical resolution

Stratospheric water vapour and tropical tropopause temperatures in ECMWF analyses and multi-year simulations

30 day integrations using the operational ECMWF spectral model

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