Search ECMWF publications

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

Annual Report 2006

Author

ECMWF

2007, Report, ECMWF Annual Report

File

16292-annual-report-2006.pdf

Operational assimilation of surface wind data from the MetOp ASCAT scatterometer at ECMWF

Author

Hans Hersbach

Peter Janssen

2007, Newsletter Feature Article, ECMWF Newsletter

File

17525-operational-assimilation-surface-wind-data-metop-ascat-scatterometer-ecmwf.pdf

Climate variability from the new System 3 ocean reanalysis

Author

Magdalena Alonso-Balmaseda

D. Anderson

Franco Molteni

2007, Newsletter Feature Article, ECMWF Newsletter

File

17526-climate-variability-new-system-3-ocean-reanalysis.pdf

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

Author

G. Kelly

Jean-Noël Thépaut

2007, Newsletter Feature Article, ECMWF Newsletter

File

17527-evaluation-impact-space-component-global-observing-system-through-observing-system-experiments.pdf

Impact of airborne Doppler lidar observations on ECMWF forecasts

Author

M. Weissmann

Carla Cardinali

2007, Newsletter Feature Article, ECMWF Newsletter

File

17528-impact-airborne-doppler-lidar-observations-ecmwf-forecasts.pdf

New Automated Tape Library for the Disaster Recovery System

Author

N. Storer

2007, Newsletter Feature Article, ECMWF Newsletter

File

17529-new-automated-tape-library-disaster-recovery-system.pdf

Improving the Regional Meteorological Data Communications Network (RMDCN)

Author

Ahmed Benallegue

C. Rizzo

S. Barbereau

Tony Bakker

R. Giraud

2007, Newsletter Feature Article, ECMWF Newsletter

File

17530-improving-regional-meteorological-data-communications-network-rmdcn.pdf

Data assimilation in the polar regions

Author

Erik Andersson

2007, Newsletter Feature Article, ECMWF Newsletter

File

17531-data-assimilation-polar-regions.pdf

Seasonal forecasting of tropical storm frequency

Author

Frédéric Vitart

Tim Stockdale

Laura Ferranti

2007, Newsletter Feature Article, ECMWF Newsletter

File

17532-seasonal-forecasting-tropical-storm-frequency.pdf

A new radiation package: McRad

Author

J.-J. Morcrette

H. Barker

M. Iacono

G. Mozdzynski

R. Pincus

Deborah Salmond

S. Serrar

2007, Newsletter Feature Article, ECMWF Newsletter

File

17533-new-radiation-package-mcrad.pdf

Search ECMWF publications

Sort by

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

Annual Report 2006

Operational assimilation of surface wind data from the MetOp ASCAT scatterometer at ECMWF

Climate variability from the new System 3 ocean reanalysis

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

Impact of airborne Doppler lidar observations on ECMWF forecasts

New Automated Tape Library for the Disaster Recovery System

Improving the Regional Meteorological Data Communications Network (RMDCN)

Data assimilation in the polar regions

Seasonal forecasting of tropical storm frequency

A new radiation package: McRad

Filter by Year

Filter by Type of publication

Author(s)