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Exploring ensemble forecast calibration issues using reforecast data sets

Author

T.M. Hamill

J.S. Whitaker

Renate Hagedorn

2007, Presentation

File

15654-exploring-ensemble-forecast-calibration-issues-using-reforecast-data-sets.pdf

Application of ensembles in flood forecasting

Author

J. Thielen

J. Bartholmes

K. Bogner

J Younis

2007, Presentation

File

15655-application-ensembles-flood-forecasting.pdf

Medium range and seasonal probabilistic prediction of the Ganges and Brahmaputra discharge

Author

P. Webster

T. Hopson

C. Hoyos

J Jian

2007, Presentation

File

15656-medium-range-and-seasonal-probabilistic-prediction-ganges-and-brahmaputra-discharge.pdf

WG1: Representing intitial and model uncertainties

Author

ECMWF

2007, Presentation

File

15657-wg1-representing-intitial-and-model-uncertainties.pdf

WG3: Verification and applications of ensemble forecasts

Author

ECMWF

2007, Presentation

File

15658-wg3-verification-and-applications-ensemble-forecasts.pdf

Workshop on flow-dependent aspects of data assimilation programme

Author

ECMWF

2007, Presentation

File

15660-workshop-flow-dependent-aspects-data-assimilation-programme.pdf

The sensitivity of analysis errors to the specification of background error covariances

Author

Mike Fisher

2007, Presentation

File

15662-sensitivity-analysis-errors-specification-background-error-covariances.pdf

Ideas for adding flow-dependence to the Met Office VAR system

Author

A. Lorenc

2007, Presentation

File

15663-ideas-adding-flow-dependence-met-office-var-system.pdf

Covariance modelling in a grid-point analysis

Author

J. Purser

M de Pondeca

D.F. Parrish

D. Dévényi

2007, Presentation

File

15664-covariance-modelling-grid-point-analysis.pdf

Ensemble Jb modelling

Author

M. Buehner

2007, Presentation

File

15665-ensemble-jb-modelling.pdf

Use of analysis ensembles in estimating flow-dependent background error variances

Author

L. Isaksen

2007, Presentation

File

15666-use-analysis-ensembles-estimating-flow-dependent-background-error-variances.pdf

Implementation of the LETKF on the NCEP global forecast system

Author

I. Szunyogh

2007, Presentation

File

15667-implementation-letkf-ncep-global-forecast-system.pdf

Impacts of flow-dependent background-error covariances in the NCEP global forecast system

Author

J.S. Whitaker

T.M. Hamill

G.P. Compo

X Wang

2007, Presentation

File

15668-impacts-flow-dependent-background-error-covariances-ncep-global-forecast-system.pdf

A regime-dependent balanced control variable based on potential vorticity

Author

R.N. Bannister

Mike Cullen

2007, Presentation

File

15669-regime-dependent-balanced-control-variable-based-potential-vorticity.pdf

Diabatic balance for the Canadian continental LAM-4D-Var

Author

L. Fillion

M. Tanguay

E. Lapalme

B. Denis

2007, Presentation

File

15670-diabatic-balance-canadian-continental-lam-4d-var.pdf

Humidity control variable and supersaturation

Author

E. Hólm

2007, Presentation

File

15671-humidity-control-variable-and-supersaturation.pdf

Background errors in HIRLAM variational data assimilation

Author

M. Lindskog

O. Vignes

N. Gustafsson

T. Landelius

S. Thorsteinsson

2007, Presentation

File

15672-background-errors-hirlam-variational-data-assimilation.pdf

Ensemble forecasting and flow-dependent estimates of initial uncertainty

Author

Martin Leutbecher

Roberto Buizza

L. Isaksen

2007, Presentation

File

15673-ensemble-forecasting-and-flow-dependent-estimates-initial-uncertainty.pdf

Spatial filtering of assimilation ensemble statistics: increase of sample size by local spatial averaging

Author

O. Pannekoucke

L. Berre

G. Desroziers

S. Ştefănescu

B. Chapnik

L. Raynaud

2007, Presentation

File

15674-spatial-filtering-assimilation-ensemble-statistics-increase-sample-size-local-spatial.pdf

Representation of inhomogeneous, non-seperable covariances by sparse wavelet-transformed matrices

Author

A. Rhodin

H. Anlauf

2007, Presentation

File

15675-representation-inhomogeneous-non-seperable-covariances-sparse-wavelet-transformed-matrices.pdf

Evaluation of the impact of the space component of the Global Observing System through Observing System Experiments.

Author

G.A. Kelly

Jean-Noël Thépaut

2007, Report, Final Report SOW EUM.MET.SOW.04.0290, EUMETSAT/ECMWF Fellowship Programme Research Reports

File

10434-evaluation-impact-space-component-global-observing-system-through-observing-system-experiments.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, Report, EUMETSAT/ECMWF Fellowship Programme Research Reports, EUMETSAT/ECMWF Fellowship Programme

File

9511-lessons-learnt-1d4d-var-assimilation-rain-and-cloud-affected-ssmi-observations-ecmwf.pdf

The technical support for global validation of ERS Wind and Wave Products at ECMWF (April 2004 - June 2007). Final Report for ESA contract 18212/04/I-OL

Author

Saleh Abdalla

Hans Hersbach

2007, Report, Final Report for ESA contract 18212/04/I-OL, ESA Contract Report

File

7622-technical-support-global-validation-ers-wind-and-wave-products-ecmwf-april-2004-june-2007-final.pdf

A dual mass flux framework for boundary layer convection. Part I: Transport

Author

R. Neggers

M. Köhler

Anton Beljaars

2007, Report, ECMWF-ARM Report Series

File

11370-dual-mass-flux-framework-boundary-layer-convection-part-i-transport.pdf

Search ECMWF publications

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Exploring ensemble forecast calibration issues using reforecast data sets

Application of ensembles in flood forecasting

Medium range and seasonal probabilistic prediction of the Ganges and Brahmaputra discharge

WG1: Representing intitial and model uncertainties

WG3: Verification and applications of ensemble forecasts

Workshop on flow-dependent aspects of data assimilation programme

The sensitivity of analysis errors to the specification of background error covariances

Ideas for adding flow-dependence to the Met Office VAR system

Covariance modelling in a grid-point analysis

Ensemble Jb modelling

Use of analysis ensembles in estimating flow-dependent background error variances

Implementation of the LETKF on the NCEP global forecast system

Impacts of flow-dependent background-error covariances in the NCEP global forecast system

A regime-dependent balanced control variable based on potential vorticity

Diabatic balance for the Canadian continental LAM-4D-Var

Humidity control variable and supersaturation

Background errors in HIRLAM variational data assimilation

Ensemble forecasting and flow-dependent estimates of initial uncertainty

Spatial filtering of assimilation ensemble statistics: increase of sample size by local spatial averaging

Representation of inhomogeneous, non-seperable covariances by sparse wavelet-transformed matrices

Evaluation of the impact of the space component of the Global Observing System through Observing System Experiments.

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

The technical support for global validation of ERS Wind and Wave Products at ECMWF (April 2004 - June 2007). Final Report for ESA contract 18212/04/I-OL

A dual mass flux framework for boundary layer convection. Part I: Transport

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