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

Author

P. Prior

2007, Technical memorandum, ECMWF Technical Memoranda

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

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

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

Development of the ECMWF seasonal forecast System 3

Author

D. Anderson

Tim Stockdale

Magdalena Alonso-Balmaseda

Laura Ferranti

Frédéric Vitart

Franco Molteni

F. Doblas-Reyes

Kristian Mogensen

A. Vidard

2007, Technical memorandum, ECMWF Technical Memoranda

File

7727-development-ecmwf-seasonal-forecast-system-3.pdf

Comparison of Total Energy and Hessian Singular Vectors: Implications for Observation Targeting NOT PUBLISHED

Author

A.R. Lawrence

Martin Leutbecher

T.N. Palmer

2007, Technical memorandum, ECMWF Technical Memoranda

Ensemble forecasting

Author

Martin Leutbecher

T.N. Palmer

2007, Technical memorandum, ECMWF Technical Memoranda

File

10729-ensemble-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

An inter-comparison of line-by-line radiative transfer models

Author

Marco Matricardi

2007, Technical memorandum, ECMWF Technical Memoranda

File

11022-inter-comparison-line-line-radiative-transfer-models.pdf

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

A processor to get UV-B and UV-A radiation products in/from the ECMWF IFS

Author

J.-J. Morcrette

A. Arola

2007, Technical memorandum, ECMWF Technical Memoranda

File

11270-processor-get-uv-b-and-uv-radiation-products-ecmwf-ifs.pdf

A reduced radiation grid for the ECMWF Integrated Forecasting System

Author

J.-J. Morcrette

G. Mozdzynski

Martin Leutbecher

2007, Technical memorandum, ECMWF Technical Memoranda

File

11278-reduced-radiation-grid-ecmwf-integrated-forecasting-system.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

Convection in Lorenz's global energy cycle with the ECMWF model.

Author

M. Steinheimer

M. Hantel

Peter Bechtold

2007, Technical memorandum, ECMWF Technical Memoranda

File

12394-convection-lorenzs-global-energy-cycle-ecmwf-model.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 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

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

Model error estimation in 4D-Var

Author

Y. Trémolet

2007, Technical memorandum, ECMWF Technical Memoranda

File

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

Assimilation of MODIS cloud optical depths in the ECMWF model

Author

Angela Benedetti

Marta Janiskova

2007, Technical memorandum, ECMWF Technical Memoranda

File

8060-assimilation-modis-cloud-optical-depths-ecmwf-model.pdf

A revised formulation of ocean wave dissipation and its model impact

Author

Jean-Raymond Bidlot

Peter Janssen

Saleh Abdalla

2007, Technical memorandum, ECMWF Technical Memoranda

File

8228-revised-formulation-ocean-wave-dissipation-and-its-model-impact.pdf

Evaluating cloud fraction and ice water content in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Author

D. Bouniol

A. Protat

J. Delanoë

J. Pelon

D.P. Donovan

J.-M. Piriou

F. Bouyssel

A.M. Tompkins

D. Wilson

Y. Morille

M. Haeffelin

E.J. O'Connor

Robin Hogan

A.J. Illingworth

2007, Technical memorandum, ECMWF Technical Memoranda

File

8330-evaluating-cloud-fraction-and-ice-water-content-ecmwf-integrated-forecast-system-and-three.pdf

Evaluating cloud occurrence in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Author

D. Bouniol

A. Protat

J. Delanoë

J. Pelon

D.P. Donovan

J.-M. Piriou

F. Bouyssel

A.M. Tompkins

D. Wilson

Y. Morille

M. Haeffelin

E.J. O'Connor

Robin Hogan

A.J. Illingworth

2007, Technical memorandum, ECMWF Technical Memoranda

File

8331-evaluating-cloud-occurrence-ecmwf-integrated-forecast-system-and-three-other-operational.pdf

Dynamical downscaling of ECMWF EPS forecasts applied to cases of severe weather in Croatia

Author

C. Brankovic

B. Matjacic

S. Ivatek-Sahdan

Roberto Buizza

2007, Technical memorandum, ECMWF Technical Memoranda

File

8380-dynamical-downscaling-ecmwf-eps-forecasts-applied-cases-severe-weather-croatia.pdf

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

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

Using NWP to assess climate models.

Ku-band radar altimeter surface wind speed algorithm

Development of the ECMWF seasonal forecast System 3

Comparison of Total Energy and Hessian Singular Vectors: Implications for Observation Targeting NOT PUBLISHED

Ensemble forecasting

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

An inter-comparison of line-by-line radiative transfer models

Recent advances in radiation transfer parametrizations

A processor to get UV-B and UV-A radiation products in/from the ECMWF IFS

A reduced radiation grid for the ECMWF Integrated Forecasting System

Evaluation of revised parameterizations of sub-grid orographic drag.

Convection in Lorenz's global energy cycle with the ECMWF model.

The Ensemble Prediction System - Recent and Ongoing Developments

The ADM-Aeolus wind retrieval algorithms

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

Model error estimation in 4D-Var

The ECMWF System 3 ocean analysis system

Assimilation of MODIS cloud optical depths in the ECMWF model

A revised formulation of ocean wave dissipation and its model impact

Evaluating cloud fraction and ice water content in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Evaluating cloud occurrence in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Dynamical downscaling of ECMWF EPS forecasts applied to cases of severe weather in Croatia

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