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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

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

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

Analysis of Leaf Area Index in the ECMWF land surface scheme and impact on latent heat and carbon fluxes: Applications to West Africa

Author

L. Jarlan

Gianpaolo Balsamo

S. Lafont

Anton Beljaars

J-C. Calvet

E. Mougin

2007, Technical memorandum, ECMWF Technical Memoranda

File

10247-analysis-leaf-area-index-ecmwf-land-surface-scheme-and-impact-latent-heat-and-carbon-fluxes.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

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

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

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

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

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

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

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

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

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

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

Detection of extreme events from a SAR image spectrum

Author

Peter Janssen

2007, Technical memorandum, ECMWF Technical Memoranda

File

10216-detection-extreme-events-sar-image-spectrum.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

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

Progress in ocean wave forecasting

Author

Peter Janssen

2007, Technical memorandum, ECMWF Technical Memoranda

File

10244-progress-ocean-wave-forecasting.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

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

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

Search ECMWF publications

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

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.

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

Analysis of Leaf Area Index in the ECMWF land surface scheme and impact on latent heat and carbon fluxes: Applications to West Africa

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

Evaluation of revised parameterizations of sub-grid orographic drag.

The Ensemble Prediction System - Recent and Ongoing Developments

Recent advances in radiation transfer parametrizations

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

A reduced radiation grid for the ECMWF Integrated Forecasting System

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

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

The ADM-Aeolus wind retrieval algorithms

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

Selection of IASI channels for use in numerical weather prediction

Detection of extreme events from a SAR image spectrum

Notes on the exact solution of moist updraught equations

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

Progress in ocean wave forecasting

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

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.

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

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