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Using NWP to assess climate models.

Author

Mark Rodwell

T.N. Palmer

2007, Technical memorandum, ECMWF Technical Memoranda

File

11987-using-nwp-assess-climate-models.pdf

The value of targeted observations - Part III: Influence of different weather regimes.

Author

Carla Cardinali

Roberto Buizza

G.A. Kelly

M. Shapiro

Jean-Noël Thépaut

2007, Technical memorandum, ECMWF Technical Memoranda

File

8590-value-targeted-observations-part-iii-influence-different-weather-regimes.pdf

The value of targeted observations - Part II: The value of observations taken in singular vectors-based target areas.

Author

Roberto Buizza

Carla Cardinali

G.A. Kelly

Jean-Noël Thépaut

2007, Technical memorandum, ECMWF Technical Memoranda

File

8441-value-targeted-observations-part-ii-value-observations-taken-singular-vectors-based-target.pdf

The value of targeted observations - Part I: Data denial experiments for the Atlantic and the Pacific.

Author

G.A. Kelly

Jean-Noël Thépaut

Roberto Buizza

Carla Cardinali

2007, Technical memorandum, ECMWF Technical Memoranda

File

10443-value-targeted-observations-part-i-data-denial-experiments-atlantic-and-pacific.pdf

The evaluation of the HIRS/4 instrument on Metop 2 by using the ECMWF data assimilation system to provide a reference to compare with other sensors.

Author

G.A. Kelly

2007, Technical memorandum, ECMWF Technical Memoranda

File

10446-evaluation-hirs4-instrument-metop-2-using-ecmwf-data-assimilation-system-provide-reference.pdf

The Ensemble Prediction System - Recent and Ongoing Developments

Author

T.N. Palmer

Roberto Buizza

Martin Leutbecher

Renate Hagedorn

T. Jung

Mark Rodwell

Frédéric Vitart

J. Berner

E. Hágel

A.R. Lawrence

Florian Pappenberger

Y-Y. Park

L von Bremen

I Gilmour

2007, Technical memorandum, ECMWF Technical Memoranda

File

12527-ensemble-prediction-system-recent-and-ongoing-developments.pdf

The ECMWF System 3 ocean analysis system

Author

Magdalena Alonso-Balmaseda

A. Vidard

D.L.T. Anderson

2007, Technical memorandum, ECMWF Technical Memoranda

File

7898-ecmwf-system-3-ocean-analysis-system.pdf

The ADM-Aeolus wind retrieval algorithms

Author

D. Tan

Erik Andersson

J. de Kloe

G.-J. Marseille

A. Stoffelen

P. Poli

M.-L. Denneulin

A. Dabas

D. Huber

O. Reitebuch

P. Flamant

O. Le Rille

H. Nett

2007, Technical memorandum, ECMWF Technical Memoranda

File

12561-adm-aeolus-wind-retrieval-algorithms.pdf

Selection of IASI channels for use in numerical weather prediction

Author

A. Collard

2007, Technical memorandum, ECMWF Technical Memoranda

File

8760-selection-iasi-channels-use-numerical-weather-prediction.pdf

Representation of the tropical intraseasonal variability and its impact on seasonal predictability in a multi-model ensemble

Author

P.K. Xavier

J.-P. Duvel

F. Doblas-Reyes

2007, Technical memorandum, ECMWF Technical Memoranda

File

13160-representation-tropical-intraseasonal-variability-and-its-impact-seasonal-predictability-multi.pdf

Report on the nineteenth meeting of Computing Representatives 22-24 May 2007

Author

P. Prior

2007, Technical memorandum, ECMWF Technical Memoranda

File

11742-report-nineteenth-meeting-computing-representatives-22-24-may-2007.pdf

Report on the fifteenth Security Representatives' Meeting, 21-22 May 2007. (Restricted distribution)

Author

P. Prior

2007, Technical memorandum, ECMWF Technical Memoranda

Recent advances in radiation transfer parametrizations

Author

J.-J. Morcrette

Peter Bechtold

Anton Beljaars

Angela Benedetti

Axel Bonet

F. Doblas-Reyes

J. Hague

M. Hamrud

J. Haseler

J. Kaiser

Martin Leutbecher

G. Mozdzynski

Miha Razinger

Deborah Salmond

S. Serrar

Martin Suttie

A.M. Tompkins

A. Untch

Antje Weisheimer

2007, Technical memorandum, ECMWF Technical Memoranda

File

11264-recent-advances-radiation-transfer-parametrizations.pdf

Progress in ocean wave forecasting

Author

Peter Janssen

2007, Technical memorandum, ECMWF Technical Memoranda

File

10244-progress-ocean-wave-forecasting.pdf

On the representation of initial uncertainties with multiple sets of singular vectors optimised for different criteria.

Author

Martin Leutbecher

2007, Technical memorandum, ECMWF Technical Memoranda

File

10733-representation-initial-uncertainties-multiple-sets-singular-vectors-optimised-different.pdf

Observing system impact assessment using a data assimilation ensemble technique: application to the ADM-Aeolus wind profiling mission

Author

D. Tan

Erik Andersson

Mike Fisher

L. Isaksen

2007, Technical memorandum, ECMWF Technical Memoranda

File

12563-observing-system-impact-assessment-using-data-assimilation-ensemble-technique-application-adm.pdf

Notes on the exact solution of moist updraught equations

Author

Peter Janssen

M. Köhler

2007, Technical memorandum, ECMWF Technical Memoranda

File

10219-notes-exact-solution-moist-updraught-equations.pdf

Model error estimation in 4D-Var

Author

Y. Trémolet

2007, Technical memorandum, ECMWF Technical Memoranda

File

12819-model-error-estimation-4d-var.pdf

Lessons learnt from the 1D+4D-Var assimilation of rain and cloud affected SSM/I observations at ECMWF

Author

Alan Geer

Peter Bauer

Philippe Lopez

2007, Technical memorandum, ECMWF Technical Memoranda

File

9510-lessons-learnt-1d4d-var-assimilation-rain-and-cloud-affected-ssmi-observations-ecmwf.pdf

Ku-band radar altimeter surface wind speed algorithm

Author

Saleh Abdalla

2007, Technical memorandum, ECMWF Technical Memoranda

File

7615-ku-band-radar-altimeter-surface-wind-speed-algorithm.pdf

Initialisation strategies for decadal hindcasts for the 1960-2005 period within the ENSEMBLES project

Author

Antje Weisheimer

F. Doblas-Reyes

P. Rogel

Eduardo Da Costa

N. Keenlyside

Magdalena Alonso-Balmaseda

J. Murphy

D.M. Smith

M. Collins

B. Bhaskaran

T.N. Palmer

2007, Technical memorandum, ECMWF Technical Memoranda

File

13044-initialisation-strategies-decadal-hindcasts-1960-2005-period-within-ensembles-project.pdf

Influence of the quasi-biennial oscillation on the ECMWF model short-range forecast errors in the tropical stratosphere.

Author

N. Zagar

Erik Andersson

Mike Fisher

A. Untch

2007, Technical memorandum, ECMWF Technical Memoranda

File

13199-influence-quasi-biennial-oscillation-ecmwf-model-short-range-forecast-errors-tropical.pdf

Impact of SSM/I observations related to moisture, clouds and precipitation on global NWP forecast skill

Author

G.A. Kelly

Peter Bauer

Alan Geer

Philippe Lopez

Jean-Noël Thépaut

2007, Technical memorandum, ECMWF Technical Memoranda

File

10445-impact-ssmi-observations-related-moisture-clouds-and-precipitation-global-nwp-forecast-skill.pdf

Evaluation of revised parameterizations of sub-grid orographic drag.

Author

A. Orr

2007, Technical memorandum, ECMWF Technical Memoranda

File

11452-evaluation-revised-parameterizations-sub-grid-orographic-drag.pdf

Search ECMWF publications

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Using NWP to assess climate models.

The value of targeted observations - Part III: Influence of different weather regimes.

The value of targeted observations - Part II: The value of observations taken in singular vectors-based target areas.

The value of targeted observations - Part I: Data denial experiments for the Atlantic and the Pacific.

The evaluation of the HIRS/4 instrument on Metop 2 by using the ECMWF data assimilation system to provide a reference to compare with other sensors.

The Ensemble Prediction System - Recent and Ongoing Developments

The ECMWF System 3 ocean analysis system

The ADM-Aeolus wind retrieval algorithms

Selection of IASI channels for use in numerical weather prediction

Representation of the tropical intraseasonal variability and its impact on seasonal predictability in a multi-model ensemble

Report on the nineteenth meeting of Computing Representatives 22-24 May 2007

Report on the fifteenth Security Representatives' Meeting, 21-22 May 2007. (Restricted distribution)

Recent advances in radiation transfer parametrizations

Progress in ocean wave forecasting

On the representation of initial uncertainties with multiple sets of singular vectors optimised for different criteria.

Observing system impact assessment using a data assimilation ensemble technique: application to the ADM-Aeolus wind profiling mission

Notes on the exact solution of moist updraught equations

Model error estimation in 4D-Var

Lessons learnt from the 1D+4D-Var assimilation of rain and cloud affected SSM/I observations at ECMWF

Ku-band radar altimeter surface wind speed algorithm

Initialisation strategies for decadal hindcasts for the 1960-2005 period within the ENSEMBLES project

Influence of the quasi-biennial oscillation on the ECMWF model short-range forecast errors in the tropical stratosphere.

Impact of SSM/I observations related to moisture, clouds and precipitation on global NWP forecast skill

Evaluation of revised parameterizations of sub-grid orographic drag.

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