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X 2009

The value of a variable resolution approach to numerical weather prediction

Author

Roberto Buizza

2009, Technical memorandum, ECMWF Technical Memoranda

File

8430-value-variable-resolution-approach-numerical-weather-prediction.pdf

Forecast sensitivity to observation (FSO) as a diagnostic tool

Author

Carla Cardinali

2009, Technical memorandum, ECMWF Technical Memoranda

File

8574-forecast-sensitivity-observation-fso-diagnostic-tool.pdf

Understanding the anomalously cold European winter of 2005/06 using relaxation experiments

Author

T. Jung

T.N. Palmer

S. Serrar

2009, Technical memorandum, ECMWF Technical Memoranda

File

10312-understanding-anomalously-cold-european-winter-200506-using-relaxation-experiments.pdf

Diagnosing the origin of extended-range forecast error

Author

T. Jung

M.J. Miller

T.N. Palmer

2009, Technical memorandum, ECMWF Technical Memoranda

File

10339-diagnosing-origin-extended-range-forecast-error.pdf

Revision of the HIRS cloud detection at ECMWF

Author

Blazej Krzeminski

G.A. Kelly

A. McNally

2009, Report, EUMETSAT/ECMWF Fellowship Programme Research Reports, EUMETSAT/ECMWF Fellowship Programme

File

10561-revision-hirs-cloud-detection-ecmwf.pdf

Stochastic parametrization and model uncertainty

Author

T.N. Palmer

Roberto Buizza

F. Doblas-Reyes

T. Jung

Martin Leutbecher

G.J. Shutts

M. Steinheimer

Antje Weisheimer

2009, Technical memorandum, ECMWF Technical Memoranda

File

11577-stochastic-parametrization-and-model-uncertainty.pdf

Verification statistics and evaluations of ECMWF forecasts in 2008-2009.

Author

David Richardson

Jean-Raymond Bidlot

A Ghelli

C. Gibert

Janousek Prates

Frédéric Vitart

2009, Technical memorandum, ECMWF Technical Memoranda

File

11918-verification-statistics-and-evaluations-ecmwf-forecasts-2008-2009.pdf

A nonlinear perspective on the dynamics of the MJO: idealized large-eddy simulations

Author

Piotr Smolarkiewicz

2009, Technical memorandum, ECMWF Technical Memoranda

File

13019-nonlinear-perspective-dynamics-mjo-idealized-large-eddy-simulations.pdf

The non-hydrostatic global IFS/ARPEGE model: model formulation and testing

Author

K. Yessad

A. Untch

2009, Technical memorandum, ECMWF Technical Memoranda

File

13031-non-hydrostatic-global-ifsarpege-model-model-formulation-and-testing.pdf

Milestone 1 Tech Note - Part 1: SMOS Global Surface Emission Model

Author

Patricia de Rosnay

M. Drusch

J.M. Sabater

2009, Report, Progress report for ESA contract 3-11640/06/I-LG, ESA Contract Report

File

8923-milestone-1-tech-note-part-1-smos-global-surface-emission-model.pdf

Validation of aerosol parametrization Representing aerosol processes in NWP

Author

J.-J. Morcrette

Luke Jones

2009, Report, WP-2200 Report for ESA contract 1-5576/07/NL/CB: Project QuARL - Quantitative Assessment of the Operational Value of Space-Borne Radar and Lidar Measurements of Cloud and Aerosol Profiles, ESA Contract Report

File

11272-validation-aerosol-parametrization-representing-aerosol-processes-nwp.pdf

Milestone 1 Tech Note - Part 2: IFS Interface

Author

J.M. Sabater

Patricia de Rosnay

Anne Fouilloux

M. Dragosavac

A. Hofstadler

2009, Report, ESA/ESRIN Contract 20244/07/I-LG, ESA Contract Report

File

11315-milestone-1-tech-note-part-2-ifs-interface.pdf

Jason-2 OGDR wind and wave products: Monitoring, validation and assimilation

Author

Saleh Abdalla

Peter Janssen

Jean-Raymond Bidlot

2009, Technical memorandum, ECMWF Technical Memoranda

File

7629-jason-2-ogdr-wind-and-wave-products-monitoring-validation-and-assimilation.pdf

Impact of improved soil moisture on the ECMWF precipitation forecasts in West Africa

Author

Anna Agusti-Panareda

Gianpaolo Balsamo

Anton Beljaars

2009, Technical memorandum, ECMWF Technical Memoranda

File

7648-impact-improved-soil-moisture-ecmwf-precipitation-forecasts-west-africa.pdf

The ECMWF re-analysis for the AMMA observational campaign

Author

Anna Agusti-Panareda

Anton Beljaars

Maike Ahlgrimm

Gianpaolo Balsamo

O. Bock

A Ghelli

F. Guichard

M. Köhler

R. Meynadier

J.-J. Morcrette

2009, Technical memorandum, ECMWF Technical Memoranda

File

7649-ecmwf-re-analysis-amma-observational-campaign.pdf

Evaluation of trade cumulus and the DualM parametrization in the ECMWF model

Author

Maike Ahlgrimm

M. Köhler

2009, Report, ECMWF-ARM Report Series

File

7652-evaluation-trade-cumulus-and-dualm-parametrization-ecmwf-model.pdf

Deriving an effective lake depth from satellite lake surface temperature data: A feasibility study with MODIS data

Author

Gianpaolo Balsamo

Emanuel Dutra

V.M. Stepanenko

P. Viterbo

P.M. Miranda

D. Mironov

2009, Technical memorandum, ECMWF Technical Memoranda

File

7923-deriving-effective-lake-depth-satellite-lake-surface-temperature-data-feasibility-study-modis.pdf

New snow scheme in HTESSEL: description and offline validation

Author

Emanuel Dutra

Gianpaolo Balsamo

P. Viterbo

P.M.A. Miranda

Anton Beljaars

C. Schär

K. Elder

2009, Technical memorandum, ECMWF Technical Memoranda

File

9167-new-snow-scheme-htessel-description-and-offline-validation.pdf

Impact of lakes on the ECMWF surface scheme

Author

Emanuel Dutra

V.M. Stepanenko

Gianpaolo Balsamo

P. Viterbo

P.M. Miranda

D. Mironov

C. Schär

2009, Technical memorandum, ECMWF Technical Memoranda

File

9173-impact-lakes-ecmwf-surface-scheme.pdf

Validation of cloud parametrization

Author

O. Stiller

S. Di Michele

J. Delanoë

2009, Report, WP-2100 Report for ESA contract 1-5576/07/NL/CB: Project QuARL - Quantitative Assessment of the Operational Value of Space-Borne Radar and Lidar Measurements of Cloud and Aerosol Profiles, ESA Contract Report

File

9438-validation-cloud-parametrization.pdf

The new all-sky assimilation system for passive microwave satellite imager observations

Author

Philippe Lopez

Deborah Salmond

2009, Newsletter Feature Article, ECMWF Newsletter

File

17476-new-all-sky-assimilation-system-passive-microwave-satellite-imager-observations.pdf

Tracking fronts and extra-tropical cyclones

Author

2009, Newsletter Feature Article, ECMWF Newsletter

File

17477-tracking-fronts-and-extra-tropical-cyclones.pdf

Progress in the implementation of Hydrological Ensemble Prediction Systems (HEPS) in Europe for operational flood forecasting

Author

Hannah Cloke

J. Thielen

Florian Pappenberger

S. Nobert

G. Balint

C. Edlund

A Koistinen

C de Saint-Aubin

E Sprokkereef

C. Viel

P. Salamon

Roberto Buizza

2009, Newsletter Feature Article, ECMWF Newsletter

File

17478-progress-implementation-hydrological-ensemble-prediction-systems-heps-europe-operational-flood.pdf

An experiment with a 46-day Ensemble Prediction System

Author

Frédéric Vitart

Franco Molteni

2009, Newsletter Feature Article, ECMWF Newsletter

File

17479-experiment-46-day-ensemble-prediction-system.pdf