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Direct 4D-Var assimilation of all-sky radiances. Part II: Assessment

Author

Alan Geer

Peter Bauer

Philippe Lopez

2010, Technical memorandum, ECMWF Technical Memoranda

File

9512-direct-4d-var-assimilation-all-sky-radiances-part-ii-assessment.pdf

Enhanced use of all-sky microwave observations sensitive to water vapour, cloud and precipitation

Author

Alan Geer

Peter Bauer

2010, Technical memorandum, ECMWF Technical Memoranda

File

9518-enhanced-use-all-sky-microwave-observations-sensitive-water-vapour-cloud-and-precipitation.pdf

On the equivalence between Kalman smoothing and weak-constraint four-dimensional variational data assimilation.

Author

Mike Fisher

2004, Technical memorandum, ECMWF Technical Memoranda

File

9415-equivalence-between-kalman-smoothing-and-weak-constraint-four-dimensional-variational-data.pdf

Forecasts and assimilation experiments of the Antarctic Ozone Hole 2008

Author

Johannes Flemming

Antje Inness

Luke Jones

H. Eskes

V. Huijnen

D. Kinnison

M.G. Schultz

O. Stein

D. Cariolle

G.P. Brasseur

2010, Technical memorandum, ECMWF Technical Memoranda

File

9428-forecasts-and-assimilation-experiments-antarctic-ozone-hole-2008.pdf

A stochastic kinetic energy backscatter algorithm for use in ensemble prediction systems.

Author

G.J. Shutts

2004, Technical memorandum, ECMWF Technical Memoranda

File

12214-stochastic-kinetic-energy-backscatter-algorithm-use-ensemble-prediction-systems.pdf

Jason-2 OGDR Wind and wave products: random error estimation

Author

Saleh Abdalla

Peter Janssen

Jean-Raymond Bidlot

2010, Technical memorandum, ECMWF Technical Memoranda

File

7628-jason-2-ogdr-wind-and-wave-products-random-error-estimation.pdf

Direct 4D-Var assimilation of all-sky radiances. Part I: Implementation

Author

Peter Bauer

Alan Geer

Philippe Lopez

Deborah Salmond

2010, Technical memorandum, ECMWF Technical Memoranda

File

7987-direct-4d-var-assimilation-all-sky-radiances-part-i-implementation.pdf

Verification of TMI-adjusted rainfall analysis of tropical cyclones at ECMWF using TRMM Precipitation Radar observations.

Author

Angela Benedetti

Philippe Lopez

2004, Technical memorandum, ECMWF Technical Memoranda

File

8069-verification-tmi-adjusted-rainfall-analysis-tropical-cyclones-ecmwf-using-trmm-precipitation.pdf

Experimental use of TRMM Precipitation Radar observations in 1D+4D-Var assimilation

Author

Angela Benedetti

Philippe Lopez

Peter Bauer

E. Moreau

2004, Technical memorandum, ECMWF Technical Memoranda

File

8072-experimental-use-trmm-precipitation-radar-observations-1d4d-var-assimilation.pdf

Estimating background-error variances with the ECMWF Ensemble of Data Assimilations system: the effect of ensemble size and day-to-day variability

Author

Massimo Bonavita

L. Raynaud

L. Isaksen

2010, Technical memorandum, ECMWF Technical Memoranda

File

8268-estimating-background-error-variances-ecmwf-ensemble-data-assimilations-system-effect-ensemble.pdf

Improved middle atmosphere climate and forecasts in the ECMWF model through a non-orographic gravity wave drag parametrization

Author

A. Orr

Peter Bechtold

J. Scinocca

M. Ern

Marta Janiskova

2010, Technical memorandum, ECMWF Technical Memoranda

File

11450-improved-middle-atmosphere-climate-and-forecasts-ecmwf-model-through-non-orographic-gravity.pdf

Development of a European Multi-Model Ensemble System for Seasonal to Inter-Annual Prediction (DEMETER).

Author

T.N. Palmer

A. Alessandri

U. Andersen

P. Cantelaube

M. Davey

P. Délécluse

M. Deque

E. Diez

F. Doblas-Reyes

H. Feddersen

R. Graham

S. Gualdi

J.-F. Guérémy

Renate Hagedorn

M. Hoshen

N. Keenlyside

M. Latif

A. Lazar

E. Maisonnave

V. Marletto

A.P. Morse

B. Orfila

P. Rogel

J.-M. Terres

M.C. Thomson

2004, Technical memorandum, ECMWF Technical Memoranda

File

11568-development-european-multi-model-ensemble-system-seasonal-inter-annual-prediction-demeter.pdf

Report on the sixteenth meeting of Computing Representatives, 21-22 April 2004.

Author

P. Prior

2004, Technical memorandum, ECMWF Technical Memoranda

File

11735-report-sixteenth-meeting-computing-representatives-21-22-april-2004.pdf

Report on the twelfth Security Representatives' Meeting, 22-23 April 2004. (Restricted distribution)

Author

P. Prior

2004, Technical memorandum, ECMWF Technical Memoranda

ECMWF study on the impact of future developments of the space-based observing system on Numerical Weather Prediction

Author

G. Radnóti

Peter Bauer

A. McNally

Carla Cardinali

Sean Healy

Patricia de Rosnay

2010, Technical memorandum, ECMWF Technical Memoranda

File

11815-ecmwf-study-impact-future-developments-space-based-observing-system-numerical-weather.pdf

Incorporating state-dependent temperature-salinity constraints in the background error covariance of variational ocean data assimilation.

Author

S. Ricci

A.T. Weaver

J. Vialard

P. Rogel

2004, Technical memorandum, ECMWF Technical Memoranda

File

11895-incorporating-state-dependent-temperature-salinity-constraints-background-error-covariance.pdf

Verification statistics and evaluations of ECMWF forecasts in 2009-2010.

Author

A Ghelli

F. Prates

2010, Technical memorandum, ECMWF Technical Memoranda

File

11920-verification-statistics-and-evaluations-ecmwf-forecasts-2009-2010.pdf

Developments in diagnostics research

Author

T. Jung

P. Berrisford

Carla Cardinali

Franco Molteni

Magdalena Alonso-Balmaseda

Gianpaolo Balsamo

Massimo Bonavita

Roberto Buizza

Mohamed Dahoui

Anotonio Garcia-Mendez

Martin Leutbecher

Philippe Lopez

Y. Trémolet

Frédéric Vitart

2010, Technical memorandum, ECMWF Technical Memoranda

File

11984-developments-diagnostics-research.pdf

A new equitable score suitable for verifying precipitation in NWP

Author

Mark Rodwell

David Richardson

Tim Hewson

2010, Technical memorandum, ECMWF Technical Memoranda

File

11988-new-equitable-score-suitable-verifying-precipitation-nwp.pdf

Ensemble shiprouting.

Author

Ø. Saetra

2004, Technical memorandum, ECMWF Technical Memoranda

File

12056-ensemble-shiprouting.pdf

RTMIPAS: A fast radiative transfer model for the assimilation of infrared limb radiances from MIPAS.

Author

Niels Bormann

Marco Matricardi

Sean Healy

2004, Technical memorandum, ECMWF Technical Memoranda

File

8309-rtmipas-fast-radiative-transfer-model-assimilation-infrared-limb-radiances-mipas.pdf

Performance of the ECMWF and the BoM ensemble systems in the Southern Hemisphere

Author

W. Bourke

Roberto Buizza

M. Naughton

2004, Technical memorandum, ECMWF Technical Memoranda

File

8333-performance-ecmwf-and-bom-ensemble-systems-southern-hemisphere.pdf

Resolution dependence of orographic torques

Author

A.R. Brown

2004, Technical memorandum, ECMWF Technical Memoranda

File

8400-resolution-dependence-orographic-torques.pdf

Impact of truncation on variable resolution forecasts

Author

Roberto Buizza

2010, Technical memorandum, ECMWF Technical Memoranda

File

8431-impact-truncation-variable-resolution-forecasts.pdf

Search ECMWF publications

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Direct 4D-Var assimilation of all-sky radiances. Part II: Assessment

Enhanced use of all-sky microwave observations sensitive to water vapour, cloud and precipitation

On the equivalence between Kalman smoothing and weak-constraint four-dimensional variational data assimilation.

Forecasts and assimilation experiments of the Antarctic Ozone Hole 2008

A stochastic kinetic energy backscatter algorithm for use in ensemble prediction systems.

Jason-2 OGDR Wind and wave products: random error estimation

Direct 4D-Var assimilation of all-sky radiances. Part I: Implementation

Verification of TMI-adjusted rainfall analysis of tropical cyclones at ECMWF using TRMM Precipitation Radar observations.

Experimental use of TRMM Precipitation Radar observations in 1D+4D-Var assimilation

Estimating background-error variances with the ECMWF Ensemble of Data Assimilations system: the effect of ensemble size and day-to-day variability

Improved middle atmosphere climate and forecasts in the ECMWF model through a non-orographic gravity wave drag parametrization

Development of a European Multi-Model Ensemble System for Seasonal to Inter-Annual Prediction (DEMETER).

Report on the sixteenth meeting of Computing Representatives, 21-22 April 2004.

Report on the twelfth Security Representatives' Meeting, 22-23 April 2004. (Restricted distribution)

ECMWF study on the impact of future developments of the space-based observing system on Numerical Weather Prediction

Incorporating state-dependent temperature-salinity constraints in the background error covariance of variational ocean data assimilation.

Verification statistics and evaluations of ECMWF forecasts in 2009-2010.

Developments in diagnostics research

A new equitable score suitable for verifying precipitation in NWP

Ensemble shiprouting.

RTMIPAS: A fast radiative transfer model for the assimilation of infrared limb radiances from MIPAS.

Performance of the ECMWF and the BoM ensemble systems in the Southern Hemisphere

Resolution dependence of orographic torques

Impact of truncation on variable resolution forecasts

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