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Report on the fourteenth Security Representatives' Meeting , 16-17 May 2006. (Restricted distribution)

Author

P. Prior

2006, Technical memorandum, ECMWF Technical Memoranda

Report on the eighteenth meeting of Computing Representatives 8-9 June 2006

Author

P. Prior

2006, Technical memorandum, ECMWF Technical Memoranda

File

11741-report-eighteenth-meeting-computing-representatives-8-9-june-2006.pdf

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

Author

Florence Rabier

J.-F. Mahfouf

Mike Fisher

H Järvinen

Adrian Simmons

Erik Andersson

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

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

Verification statistics and evaluations of ECMWF forecasts in 2005-2006.

Author

David Richardson

Roberto Buizza

Laura Ferranti

A Ghelli

G. van der Grijn

Ervin Zsótér

2006, Technical memorandum, ECMWF Technical Memoranda

File

11902-verification-statistics-and-evaluations-ecmwf-forecasts-2005-2006.pdf

Analysis and forecast impact of the main humidity observing systems

Author

Erik Andersson

E. Hólm

Peter Bauer

Anton Beljaars

G.A. Kelly

A. McNally

Adrian Simmons

Jean-Noël Thépaut

A.M. Tompkins

2006, Technical memorandum, ECMWF Technical Memoranda

File

7766-analysis-and-forecast-impact-main-humidity-observing-systems.pdf

Multiple-scattering microwave radiative transfer for data assimilation applications.

Author

Peter Bauer

E. Moreau

F. Chevallier

U. O'Keeffe

2006, Technical memorandum, ECMWF Technical Memoranda

File

7989-multiple-scattering-microwave-radiative-transfer-data-assimilation-applications.pdf

Implementation of 1D+4D-Var assimilation of precipitation affected microwave radiances at ECMWF, Part I: 1D-Var.

Author

Peter Bauer

Philippe Lopez

Angela Benedetti

Deborah Salmond

E. Moreau

2006, Technical memorandum, ECMWF Technical Memoranda

File

7995-implementation-1d4d-var-assimilation-precipitation-affected-microwave-radiances-ecmwf-part-i-1d.pdf

Assimilation of cloud and precipitation affected microwave radiances

Author

Peter Bauer

Philippe Lopez

Deborah Salmond

Alan Geer

2006, Technical memorandum, ECMWF Technical Memoranda

File

7998-assimilation-cloud-and-precipitation-affected-microwave-radiances.pdf

Implementation of 1D+4D-Var assimilation of precipitation affected microwave radiances at ECMWF, Part II: 4D-Var.

Author

Peter Bauer

Philippe Lopez

Deborah Salmond

Angela Benedetti

S. Saarinen

M. Bonazzola

2006, Technical memorandum, ECMWF Technical Memoranda

File

7999-implementation-1d4d-var-assimilation-precipitation-affected-microwave-radiances-ecmwf-part-ii.pdf

Background error statistics for aerosols

Author

Angela Benedetti

Mike Fisher

2006, Technical memorandum, ECMWF Technical Memoranda

File

8059-background-error-statistics-aerosols.pdf

Modifications to the ECMWF WAM code

Author

Jean-Raymond Bidlot

B. Hansen

Peter Janssen

1997, Technical memorandum, ECMWF Technical Memoranda

File

8231-modifications-ecmwf-wam-code.pdf

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

Assimilation of MIPAS limb radiances in the ECMWF system. Part I: Experiments with a 1-dimensional observation operator.

Author

Niels Bormann

Jean-Noël Thépaut

2006, Technical memorandum, ECMWF Technical Memoranda

File

8289-assimilation-mipas-limb-radiances-ecmwf-system-part-i-experiments-1-dimensional-observation.pdf

Assimilation of MIPAS limb radiances in the ECMWF system. Part II: Experiments with a 2-dimensional observation operator and comparison to retrieval assimilation

Author

Niels Bormann

Sean Healy

M. Hamrud

2006, Technical memorandum, ECMWF Technical Memoranda

File

8311-assimilation-mipas-limb-radiances-ecmwf-system-part-ii-experiments-2-dimensional-observation.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

The new ECMWF Variable Resolution Ensemble Prediction System (VAREPS): methodology and validation.

Author

Roberto Buizza

Jean-Raymond Bidlot

Nils Wedi

Manuel Fuentes

M. Hamrud

G. Holt

T.N. Palmer

Frédéric Vitart

2006, Technical memorandum, ECMWF Technical Memoranda

File

8472-new-ecmwf-variable-resolution-ensemble-prediction-system-vareps-methodology-and-validation.pdf

Use of the Fujitsu VPP700 for weather forecasting at ECMWF

Author

D. Dent

G.R. Hoffmann

Peter Janssen

Adrian Simmons

1997, Technical memorandum, ECMWF Technical Memoranda

File

8988-use-fujitsu-vpp700-weather-forecasting-ecmwf.pdf

Wind-driven eddies and plankton blooms in the North Atlantic Ocean

Author

C. Eden

T. Jung

2006, Technical memorandum, ECMWF Technical Memoranda

File

9259-wind-driven-eddies-and-plankton-blooms-north-atlantic-ocean.pdf

The European summer of 2003: sensitivity to soil water initial conditions.

Author

Laura Ferranti

P. Viterbo

2006, Technical memorandum, ECMWF Technical Memoranda

File

9371-european-summer-2003-sensitivity-soil-water-initial-conditions.pdf

Local versus tropical diabatic heating and the winter North Atlantic Oscillation

Author

R.J. Greatbach

T. Jung

2006, Technical memorandum, ECMWF Technical Memoranda

File

9637-local-versus-tropical-diabatic-heating-and-winter-north-atlantic-oscillation.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

On spurious chaotic behaviour in the discretized ECMWF physics scheme

Author

Peter Janssen

J. Doyle

1997, Technical memorandum, ECMWF Technical Memoranda

File

10223-spurious-chaotic-behaviour-discretized-ecmwf-physics-scheme.pdf

Response to the summer 2003 Mediterranean SST anomalies over Europe and Africa.

Author

T. Jung

Laura Ferranti

A.M. Tompkins

2006, Technical memorandum, ECMWF Technical Memoranda

File

10338-response-summer-2003-mediterranean-sst-anomalies-over-europe-and-africa.pdf

Sensitivity of extratropical cyclone characteristics to horizontal resolution in the ECMWF model.

Author

T. Jung

S.K. Gulev

I. Rudeva

V. Soloviov

2006, Technical memorandum, ECMWF Technical Memoranda

File

10341-sensitivity-extratropical-cyclone-characteristics-horizontal-resolution-ecmwf-model.pdf

Search ECMWF publications

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Report on the fourteenth Security Representatives' Meeting , 16-17 May 2006. (Restricted distribution)

Report on the eighteenth meeting of Computing Representatives 8-9 June 2006

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

Verification statistics and evaluations of ECMWF forecasts in 2005-2006.

Analysis and forecast impact of the main humidity observing systems

Multiple-scattering microwave radiative transfer for data assimilation applications.

Implementation of 1D+4D-Var assimilation of precipitation affected microwave radiances at ECMWF, Part I: 1D-Var.

Assimilation of cloud and precipitation affected microwave radiances

Implementation of 1D+4D-Var assimilation of precipitation affected microwave radiances at ECMWF, Part II: 4D-Var.

Background error statistics for aerosols

Modifications to the ECMWF WAM code

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

Assimilation of MIPAS limb radiances in the ECMWF system. Part I: Experiments with a 1-dimensional observation operator.

Assimilation of MIPAS limb radiances in the ECMWF system. Part II: Experiments with a 2-dimensional observation operator and comparison to retrieval assimilation

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

The new ECMWF Variable Resolution Ensemble Prediction System (VAREPS): methodology and validation.

Use of the Fujitsu VPP700 for weather forecasting at ECMWF

Wind-driven eddies and plankton blooms in the North Atlantic Ocean

The European summer of 2003: sensitivity to soil water initial conditions.

Local versus tropical diabatic heating and the winter North Atlantic Oscillation

Effect of surface gravity waves on the heat flux

On spurious chaotic behaviour in the discretized ECMWF physics scheme

Response to the summer 2003 Mediterranean SST anomalies over Europe and Africa.

Sensitivity of extratropical cyclone characteristics to horizontal resolution in the ECMWF model.

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