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12287-stratospheric-water-vapour-and-tropical-tropopause-temperatures-ecmwf-analyses-and-multi-year.pdf

A. Untch

C. Jakob

P.W. Kållberg

P. Undén

1998, Technical memorandum, ECMWF Technical Memoranda

File

Variational quality control

Author

7759-variational-quality-control.pdf

H Järvinen

1998, Technical memorandum, ECMWF Technical Memoranda

File

The role of vertically varying cloud fraction in the parametrization of microphysicalproceses in the ECMWF model

Author

C. Jakob

S.A. Klein

1998, Technical memorandum, ECMWF Technical Memoranda

File

10149-role-vertically-varying-cloud-fraction-parametrization-microphysicalproceses-ecmwf-model.pdf

On error growth in wave models

Author

Peter Janssen

1998, Technical memorandum, ECMWF Technical Memoranda

File

10191-error-growth-wave-models.pdf

Impact of a validated radiative transfer scheme, RRTM, on the ECMWF model climate and 10-day forecasts

Author

J.-J. Morcrette

S.A. Clough

E.J. Mlawer

M.J. Iacono

1998, Technical memorandum, ECMWF Technical Memoranda

File

11252-impact-validated-radiative-transfer-scheme-rrtm-ecmwf-model-climate-and-10-day-forecasts.pdf

Probability precipitation prediction using the ECMWF Ensemble Prediction System

Author

Roberto Buizza

A. Hollingsworth

1998, Technical memorandum, ECMWF Technical Memoranda

File

8445-probability-precipitation-prediction-using-ecmwf-ensemble-prediction-system.pdf

The ECMWF implementation of three dimensional variational assimilation. Part III: Experimental results

Author

J. Haseler

P. Undén

P. Courtier

G.A. Kelly

Drasko Vasiljevic

C. Brankovic

Carla Cardinali

C. Gaffard

A. Hollingsworth

C. Jakob

Peter Janssen

E. Klinker

A. Lanzinger

M.J. Miller

7752-ecmwf-implementation-three-dimensional-variational-assimilation-part-iii-experimental-results.pdf

B. Strauss

Jean-Noël Thépaut

P. Viterbo

1998, Technical memorandum, ECMWF Technical Memoranda

File

The ECMWF implementation of three dimensional variational assimilation. Part II: Structure functions

Author

A. McNally

11799-ecmwf-implementation-three-dimensional-variational-assimilation-part-ii-structure-functions.pdf

P. Courtier

P. Undén

J. Eyre

A. Hollingsworth

F. Bouttier

1998, Technical memorandum, ECMWF Technical Memoranda

File

Impact of ensemble size on ensemble prediction

Author

Roberto Buizza

T.N. Palmer

1998, Technical memorandum, ECMWF Technical Memoranda

File

8461-impact-ensemble-size-ensemble-prediction.pdf

Impact of model resolution and ensemble size of the performance of an EnsemblePrediction System

Author

Roberto Buizza

T. Petroliagis

T.N. Palmer

J. Barkmeijer

M. Hamrud

A. Hollingsworth

8465-impact-model-resolution-and-ensemble-size-performance-ensembleprediction-system.pdf

Nils Wedi

1998, Technical memorandum, ECMWF Technical Memoranda

File

The ECMWF implementation of three dimensional variational assimilation. Part 1:Formulation

Author

P. Courtier

W.A. Heckley

J. Pailleux

Drasko Vasiljevic

M. Hamrud

A. Hollingsworth

8787-ecmwf-implementation-three-dimensional-variational-assimilation-part-1formulation.pdf

Mike Fisher

1998, Technical memorandum, ECMWF Technical Memoranda

File

Aspects of the re-analysed climate

Author

P.W. Kållberg

1998, Report, ERA Report

Observing system experiments with the 3D-Var assimilation system

Author

P. Undén

G.A. Kelly

D. Le Meur

L. Isaksen

1997, Technical memorandum, ECMWF Technical Memoranda

File

12870-observing-system-experiments-3d-var-assimilation-system.pdf

Simulation of fog with the ECMWF prognostic cloud scheme

Author

J. Teixeira

1997, Technical memorandum, ECMWF Technical Memoranda

File

12585-simulation-fog-ecmwf-prognostic-cloud-scheme.pdf

Use and impact of satellite atmospheric motion winds on ECMWF analyses and forecasts

Author

M. Tomassini

G.A. Kelly

R. Saunders

1997, Report, EUMETSAT/ECMWF Fellowship Programme Research Reports, EUMETSAT/ECMWF Fellowship Programme

Recent experimentation on 4D-Var and first results from a Simplified Kalman Filter

Author

J.-F. Mahfouf

Mike Fisher

H Järvinen

11798-recent-experimentation-4d-var-and-first-results-simplified-kalman-filter.pdf

F. Bouttier

P. Courtier

M. Hamrud

J. Haseler

A. Hollingsworth

L. Isaksen

E. Klinker

S. Saarinen

C. Temperton

Jean-Noël Thépaut

P. Undén

Drasko Vasiljevic

1997, Technical memorandum, ECMWF Technical Memoranda

File

Report on the Tenth meeting of Member State Computing Representatives, 7-8 October 1997

Author

A. Lea

1997, Technical memorandum, ECMWF Technical Memoranda

Observation screening and background quality control in the ECMWF 3D-Var data assimilation system

Author

H Järvinen

P. Undén

1997, Technical memorandum, ECMWF Technical Memoranda

File

10352-observation-screening-and-background-quality-control-ecmwf-3d-var-data-assimilation-system.pdf

Observing system performance in ERS

Author

S. Uppala

1997, Report, ERA Report

A modified set up of the advection scheme in the ECMWF wave model

Author

Jean-Raymond Bidlot

Peter Janssen

B. Hansen

H. Günther

1997, Technical memorandum, ECMWF Technical Memoranda

File

8232-modified-set-advection-scheme-ecmwf-wave-model.pdf

Effect of surface gravity waves on the heat flux

Author

Peter Janssen

1997, Technical memorandum, ECMWF Technical Memoranda

File

10190-effect-surface-gravity-waves-heat-flux.pdf

The 1997 revision of the Jb term in 3D/4D-Var

Author

F. Bouttier

J.C. Derber

Mike Fisher

1997, Technical memorandum, ECMWF Technical Memoranda

File

8349-1997-revision-jb-term-3d4d-var.pdf

ERA Description

Author

J. Gibson

P.W. Kållberg

S. Uppala

Angeles Hernandez

A. Nomura

E. Serrano

1997, Report, ERA 15, ERA Report

File

9584-era-description.pdf

Use of the Fujitsu VPP700 for weather forecasting at ECMWF

Author

D. Dent

G.R. Hoffmann

Peter Janssen