Search ECMWF publications

A parameterization of cloud overlap as a function of wind shear and its impact in ECMWF forecast

Author

Francesca Di Giuseppe

A.M. Tompkins

2015, Technical memorandum, ECMWF Technical Memoranda

File

9032-parameterization-cloud-overlap-function-wind-shear-and-its-impact-ecmwf-forecast.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, Technical memorandum, ECMWF Technical Memoranda

File

9510-lessons-learnt-1d4d-var-assimilation-rain-and-cloud-affected-ssmi-observations-ecmwf.pdf

Effect of solar zenith angle specification on mean shortwave fluxes and stratospheric temperatures

Author

Robin Hogan

S. Hirahara

2015, Technical memorandum, ECMWF Technical Memoranda

File

9930-effect-solar-zenith-angle-specification-mean-shortwave-fluxes-and-stratospheric-temperatures.pdf

The ENSO signal in atmospheric composition fields: Emission driven versus dynamically induced changes

Author

Antje Inness

Angela Benedetti

Johannes Flemming

Mark Parrington

J. Kaiser

S. Remy

2015, Technical memorandum, ECMWF Technical Memoranda

File

10108-enso-signal-atmospheric-composition-fields-emission-driven-versus-dynamically-induced-changes.pdf

Ku-band radar altimeter surface wind speed algorithm

Author

Saleh Abdalla

2007, Technical memorandum, ECMWF Technical Memoranda

File

7615-ku-band-radar-altimeter-surface-wind-speed-algorithm.pdf

Development of the ECMWF seasonal forecast System 3

Author

D. Anderson

Tim Stockdale

Magdalena Alonso-Balmaseda

Laura Ferranti

Frédéric Vitart

Franco Molteni

F. Doblas-Reyes

Kristian Mogensen

A. Vidard

2007, Technical memorandum, ECMWF Technical Memoranda

File

7727-development-ecmwf-seasonal-forecast-system-3.pdf

The ECMWF System 3 ocean analysis system

Author

Magdalena Alonso-Balmaseda

A. Vidard

D.L.T. Anderson

2007, Technical memorandum, ECMWF Technical Memoranda

File

7898-ecmwf-system-3-ocean-analysis-system.pdf

Evaluation of ECMWF forecasts, including 2014-2015 upgrades

Author

Thomas Haiden

F. Prates

2015, Technical memorandum, ECMWF Technical Memoranda

File

14691-evaluation-ecmwf-forecasts-including-2014-2015-upgrades.pdf

An evaluation of FY-3C satellite data quality at ECMWF and the Met Office

Author

Qifeng Lu

Heather Lawrence

Niels Bormann

Stephen English

Katie Lean

Nigel Atkinson

W. Bell

F. Carminati

2015, Technical memorandum, ECMWF Technical Memoranda

File

14692-evaluation-fy-3c-satellite-data-quality-ecmwf-and-met-office.pdf

Impacts of parameterized orographic drag on the Northern Hemisphere winter circulation

Author

Irina Sandu

Peter Bechtold

Anton Beljaars

Alessio Bozzo

Felix Pithan

T.G. Shepherd

Ayrton Zadra

2015, Technical memorandum, ECMWF Technical Memoranda

File

14694-impacts-parameterized-orographic-drag-northern-hemisphere-winter-circulation.pdf

Representation of the tropical intraseasonal variability and its impact on seasonal predictability in a multi-model ensemble

Author

P.K. Xavier

J.-P. Duvel

F. Doblas-Reyes

2007, Technical memorandum, ECMWF Technical Memoranda

File

13160-representation-tropical-intraseasonal-variability-and-its-impact-seasonal-predictability-multi.pdf

Influence of the quasi-biennial oscillation on the ECMWF model short-range forecast errors in the tropical stratosphere.

Author

N. Zagar

Erik Andersson

Mike Fisher

A. Untch

2007, Technical memorandum, ECMWF Technical Memoranda

File

13199-influence-quasi-biennial-oscillation-ecmwf-model-short-range-forecast-errors-tropical.pdf

Assimilation of MODIS cloud optical depths in the ECMWF model

Author

Angela Benedetti

Marta Janiskova

2007, Technical memorandum, ECMWF Technical Memoranda

File

8060-assimilation-modis-cloud-optical-depths-ecmwf-model.pdf

A revised formulation of ocean wave dissipation and its model impact

Author

Jean-Raymond Bidlot

Peter Janssen

Saleh Abdalla

2007, Technical memorandum, ECMWF Technical Memoranda

File

8228-revised-formulation-ocean-wave-dissipation-and-its-model-impact.pdf

Enhancing the impact of IASI observations through an updated observation error covariance matrix

Author

Niels Bormann

Massimo Bonavita

Rossana Dragani

Reime Eresmaa

Marco Matricardi

A. McNally

2015, Technical memorandum, ECMWF Technical Memoranda

File

8292-enhancing-impact-iasi-observations-through-updated-observation-error-covariance-matrix.pdf

Evaluating cloud fraction and ice water content in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Author

D. Bouniol

A. Protat

J. Delanoë

J. Pelon

D.P. Donovan

J.-M. Piriou

F. Bouyssel

A.M. Tompkins

D. Wilson

Y. Morille

M. Haeffelin

E.J. O'Connor

Robin Hogan

A.J. Illingworth

2007, Technical memorandum, ECMWF Technical Memoranda

File

8330-evaluating-cloud-fraction-and-ice-water-content-ecmwf-integrated-forecast-system-and-three.pdf

Evaluating cloud occurrence in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Author

D. Bouniol

A. Protat

J. Delanoë

J. Pelon

D.P. Donovan

J.-M. Piriou

F. Bouyssel

A.M. Tompkins

D. Wilson

Y. Morille

M. Haeffelin

E.J. O'Connor

Robin Hogan

A.J. Illingworth

2007, Technical memorandum, ECMWF Technical Memoranda

File

8331-evaluating-cloud-occurrence-ecmwf-integrated-forecast-system-and-three-other-operational.pdf

Dynamical downscaling of ECMWF EPS forecasts applied to cases of severe weather in Croatia

Author

C. Brankovic

B. Matjacic

S. Ivatek-Sahdan

Roberto Buizza

2007, Technical memorandum, ECMWF Technical Memoranda

File

8380-dynamical-downscaling-ecmwf-eps-forecasts-applied-cases-severe-weather-croatia.pdf

The value of targeted observations - Part II: The value of observations taken in singular vectors-based target areas.

Author

Roberto Buizza

Carla Cardinali

G.A. Kelly

Jean-Noël Thépaut

2007, Technical memorandum, ECMWF Technical Memoranda

File

8441-value-targeted-observations-part-ii-value-observations-taken-singular-vectors-based-target.pdf

The Forecast Skill Horizon

Author

Roberto Buizza

Martin Leutbecher

2015, Technical memorandum, ECMWF Technical Memoranda

File

8450-forecast-skill-horizon.pdf

EURORISK/PREVIEW report on the technical quality, functional quality and forecast value of meteorological and hydrological forecasts

Author

Roberto Buizza

H. Asensio

G. Balint

J. Bartholmes

J. Bliefernicht

K. Bogner

F. Chavaux

A. de Roo

J. Donnadille

V. Ducrocq

C. Edlund

V. Kotroni

P. Krahe

Lacire Kunz

M. Lelay

C. Marsigli

M. Milelli

A. Montani

Florian Pappenberger

D. Rabufetti

M.-H. Ramos

B. Ritter

J. Schipper

P. Steiner

Thielen- Del Pozzo

B. Vincendon

2007, Technical memorandum, ECMWF Technical Memoranda

File

8470-euroriskpreview-report-technical-quality-functional-quality-and-forecast-value-meteorological.pdf

The value of targeted observations - Part III: Influence of different weather regimes.

Author

Carla Cardinali

Roberto Buizza

G.A. Kelly

M. Shapiro

Jean-Noël Thépaut

2007, Technical memorandum, ECMWF Technical Memoranda

File

8590-value-targeted-observations-part-iii-influence-different-weather-regimes.pdf

Selection of IASI channels for use in numerical weather prediction

Author

A. Collard

2007, Technical memorandum, ECMWF Technical Memoranda

File

8760-selection-iasi-channels-use-numerical-weather-prediction.pdf

New developments in the diagnosis and verification of high-impact weather forecasts

Author

Mark Rodwell

Laura Ferranti

Thomas Haiden

L. Magnusson

2015, Technical memorandum, ECMWF Technical Memoranda

File

15255-new-developments-diagnosis-and-verification-high-impact-weather-forecasts.pdf

Search ECMWF publications

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A parameterization of cloud overlap as a function of wind shear and its impact in ECMWF forecast

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

Effect of solar zenith angle specification on mean shortwave fluxes and stratospheric temperatures

The ENSO signal in atmospheric composition fields: Emission driven versus dynamically induced changes

Ku-band radar altimeter surface wind speed algorithm

Development of the ECMWF seasonal forecast System 3

The ECMWF System 3 ocean analysis system

Evaluation of ECMWF forecasts, including 2014-2015 upgrades

An evaluation of FY-3C satellite data quality at ECMWF and the Met Office

Impacts of parameterized orographic drag on the Northern Hemisphere winter circulation

Representation of the tropical intraseasonal variability and its impact on seasonal predictability in a multi-model ensemble

Influence of the quasi-biennial oscillation on the ECMWF model short-range forecast errors in the tropical stratosphere.

Assimilation of MODIS cloud optical depths in the ECMWF model

A revised formulation of ocean wave dissipation and its model impact

Enhancing the impact of IASI observations through an updated observation error covariance matrix

Evaluating cloud fraction and ice water content in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Evaluating cloud occurrence in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Dynamical downscaling of ECMWF EPS forecasts applied to cases of severe weather in Croatia

The value of targeted observations - Part II: The value of observations taken in singular vectors-based target areas.

The Forecast Skill Horizon

EURORISK/PREVIEW report on the technical quality, functional quality and forecast value of meteorological and hydrological forecasts

The value of targeted observations - Part III: Influence of different weather regimes.

Selection of IASI channels for use in numerical weather prediction

New developments in the diagnosis and verification of high-impact weather forecasts

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