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Westerly wind events and the 1997 El NIno event in the ECMWF seasonal forecasting system: a case study

Author

Magdalena Alonso-Balmaseda

Frédéric Vitart

Laura Ferranti

D. Anderson

2002, Technical memorandum, ECMWF Technical Memoranda

File

7687-westerly-wind-events-and-1997-el-nino-event-ecmwf-seasonal-forecasting-system-case-study.pdf

Sensitivity of dynamical seasonal forecasts to ocean initial conditions

Author

O. Alves

Magdalena Alonso-Balmaseda

D. Anderson

Tim Stockdale

2002, Technical memorandum, ECMWF Technical Memoranda

File

7693-sensitivity-dynamical-seasonal-forecasts-ocean-initial-conditions.pdf

A routine for normal mode initialization with non-linear correction for a multi-level spectral model with triangular truncation

Author

J.H. Andersen

1977, Report

File

7708-routine-normal-mode-initialization-non-linear-correction-multi-level-spectral-model-triangular.pdf

Assessment of European wind profiler data, in an NWP context

Author

Erik Andersson

Anotonio Garcia-Mendez

2002, Technical memorandum, ECMWF Technical Memoranda

File

7749-assessment-european-wind-profiler-data-nwp-context.pdf

The effect of replacing Southern Hemispheric analyses by climatology on medium range weather forecasts

Author

K Arpe

J. Gibson

A. Hollingsworth

1977, Report

File

7834-effect-replacing-southern-hemispheric-analyses-climatology-medium-range-weather-forecasts.pdf

A ten-day high-resolution non-adiabatic spectral integration; a comparative study

Author

A.P.M. Baede

A.W. Hansen

1977, Report

File

7870-ten-day-high-resolution-non-adiabatic-spectral-integration-comparative-study.pdf

Parameterization of convective processes

Author

J.R. Bates

1977, Conference Paper, Seminar on the Parametrisation of the Physical Processes in the Free Atmosphere, 5-16 September 1977

File

7968-parameterization-convective-processes.pdf

Microwave radiative transfer modeling in clouds and precipitation Part I: Model description

Author

Peter Bauer

2002, Report

File

7972-microwave-radiative-transfer-modeling-clouds-and-precipitation-part-i-model-description.pdf

Error analysis of TMI rainfall estimates over ocean for variational data assimilation

Author

Peter Bauer

J.-F. Mahfouf

W.S. Olson

F.S Marzano

S. Di Michele

A. Tassa

A. Mugnai

2002, Technical memorandum, ECMWF Technical Memoranda

File

7983-error-analysis-tmi-rainfall-estimates-over-ocean-variational-data-assimilation.pdf

Introductory remarks

Author

L. Bengtsson

1977, Conference Paper, Seminar on the Parametrisation of the Physical Processes in the Free Atmosphere, 5-16 September 1977

File

8079-introductory-remarks.pdf

Evaluation of the diurnal cycle of precipitation, surface thermodynamics and surface fluxes in the ECMWF model using LBA data

Author

A. Betts

C. Jakob

2002, Technical memorandum, ECMWF Technical Memoranda

File

8199-evaluation-diurnal-cycle-precipitation-surface-thermodynamics-and-surface-fluxes-ecmwf-model.pdf

Study of diurnal cycle of convective precipitation over Amazonia using a single column model

Author

A. Betts

C. Jakob

2002, Technical memorandum, ECMWF Technical Memoranda

File

8200-study-diurnal-cycle-convective-precipitation-over-amazonia-using-single-column-model.pdf

The spatial structure of observation errors in Atmospheric Motion Vectors from geostationary satellite data

Author

Niels Bormann

S. Saarinen

G.A. Kelly

Jean-Noël Thépaut

2002, Report, EUMETSAT/ECMWF Fellowship Programme Research Reports, EUMETSAT/ECMWF Fellowship Programme

File

8296-spatial-structure-observation-errors-atmospheric-motion-vectors-geostationary-satellite-data.pdf

Impact of solar stray-light effects on Atmospheric Motion Vectors from METEOSAT

Author

Niels Bormann

Jean-Noël Thépaut

G.A. Kelly

2002, Report, EUMETSAT/ECMWF Fellowship Programme Research Reports, EUMETSAT/ECMWF Fellowship Programme

File

8297-impact-solar-stray-light-effects-atmospheric-motion-vectors-meteosat.pdf

Climate diagnostics of the ECMWF AMIP-2 simulations

Author

C. Brankovic

M.J. Miller

A. Untch

Nils Wedi

2002, Technical memorandum, ECMWF Technical Memoranda

File

8361-climate-diagnostics-ecmwf-amip-2-simulations.pdf

Prediction of the US storm of 24-26 January 2000 with the ECMWF Ensemble Prediction System

Author

Roberto Buizza

P. Chessa

2002, Technical memorandum, ECMWF Technical Memoranda

File

8442-prediction-us-storm-24-26-january-2000-ecmwf-ensemble-prediction-system.pdf

Storm prediction over Europe using the ECMWF Ensemble Prediction System

Author

Roberto Buizza

A. Hollingsworth

2002, Technical memorandum, ECMWF Technical Memoranda

File

8446-storm-prediction-over-europe-using-ecmwf-ensemble-prediction-system.pdf

Benefits of increased resolution in the ECMWF ensemble system and comparison with poor-man's ensembles

Author

Roberto Buizza

David Richardson

T.N. Palmer

2002, Technical memorandum, ECMWF Technical Memoranda

File

8467-benefits-increased-resolution-ecmwf-ensemble-system-and-comparison-poor-mans-ensembles.pdf

A model for medium range weather forecasts - adiabatic formulation

Author

D.M. Burridge

J. Haseler

1977, Report

File

8495-model-medium-range-weather-forecasts-adiabatic-formulation.pdf

Use and impact of automated aircraft data in 4D-Var

Author

Carla Cardinali

L. Isaksen

Erik Andersson

2002, Technical memorandum, ECMWF Technical Memoranda

File

8580-use-and-impact-automated-aircraft-data-4d-var.pdf

Sampled database of 60-level atmospheric profiles from the ECMWF analyses

Author

F. Chevallier

2002, Report, NWP SAF

File

8684-sampled-database-60-level-atmospheric-profiles-ecmwf-analyses.pdf

Microwave radiative transfer modeling in clouds and precipitation Part III: Model rain and clouds over oceans - Comparison with SSM/I Observation

Author

F. Chevallier

Peter Bauer

2002, Report

File

8686-microwave-radiative-transfer-modeling-clouds-and-precipitation-part-iii-model-rain-and-clouds.pdf

Use of potential vorticity as a control variable within a 4D variational data assimilation system

Author

Mike Cullen

2002, Technical memorandum, ECMWF Technical Memoranda

File

8833-use-potential-vorticity-control-variable-within-4d-variational-data-assimilation-system.pdf

On the use of a predictor-corrector scheme to couple the dynamics with the physical parametrizations in the ECMWF model

Author

Mike Cullen

Deborah Salmond

2002, Technical memorandum, ECMWF Technical Memoranda

File

8842-use-predictor-corrector-scheme-couple-dynamics-physical-parametrizations-ecmwf-model.pdf

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Westerly wind events and the 1997 El NIno event in the ECMWF seasonal forecasting system: a case study

Sensitivity of dynamical seasonal forecasts to ocean initial conditions

A routine for normal mode initialization with non-linear correction for a multi-level spectral model with triangular truncation

Assessment of European wind profiler data, in an NWP context

The effect of replacing Southern Hemispheric analyses by climatology on medium range weather forecasts

A ten-day high-resolution non-adiabatic spectral integration; a comparative study

Parameterization of convective processes

Microwave radiative transfer modeling in clouds and precipitation Part I: Model description

Error analysis of TMI rainfall estimates over ocean for variational data assimilation

Introductory remarks

Evaluation of the diurnal cycle of precipitation, surface thermodynamics and surface fluxes in the ECMWF model using LBA data

Study of diurnal cycle of convective precipitation over Amazonia using a single column model

The spatial structure of observation errors in Atmospheric Motion Vectors from geostationary satellite data

Impact of solar stray-light effects on Atmospheric Motion Vectors from METEOSAT

Climate diagnostics of the ECMWF AMIP-2 simulations

Prediction of the US storm of 24-26 January 2000 with the ECMWF Ensemble Prediction System

Storm prediction over Europe using the ECMWF Ensemble Prediction System

Benefits of increased resolution in the ECMWF ensemble system and comparison with poor-man's ensembles

A model for medium range weather forecasts - adiabatic formulation

Use and impact of automated aircraft data in 4D-Var

Sampled database of 60-level atmospheric profiles from the ECMWF analyses

Microwave radiative transfer modeling in clouds and precipitation Part III: Model rain and clouds over oceans - Comparison with SSM/I Observation

Use of potential vorticity as a control variable within a 4D variational data assimilation system

On the use of a predictor-corrector scheme to couple the dynamics with the physical parametrizations in the ECMWF model

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