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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

Impact of SSM/I observations related to moisture, clouds and precipitation on global NWP forecast skill

Author

G.A. Kelly

Peter Bauer

Alan Geer

Philippe Lopez

Jean-Noël Thépaut

2007, Technical memorandum, ECMWF Technical Memoranda

File

10445-impact-ssmi-observations-related-moisture-clouds-and-precipitation-global-nwp-forecast-skill.pdf

The ADM-Aeolus wind retrieval algorithms

Author

D. Tan

Erik Andersson

J. de Kloe

G.-J. Marseille

A. Stoffelen

P. Poli

M.-L. Denneulin

A. Dabas

D. Huber

O. Reitebuch

P. Flamant

O. Le Rille

H. Nett

2007, Technical memorandum, ECMWF Technical Memoranda

File

12561-adm-aeolus-wind-retrieval-algorithms.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

Detection of extreme events from a SAR image spectrum

Author

Peter Janssen

2007, Technical memorandum, ECMWF Technical Memoranda

File

10216-detection-extreme-events-sar-image-spectrum.pdf

Notes on the exact solution of moist updraught equations

Author

Peter Janssen

M. Köhler

2007, Technical memorandum, ECMWF Technical Memoranda

File

10219-notes-exact-solution-moist-updraught-equations.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

Progress in ocean wave forecasting

Author

Peter Janssen

2007, Technical memorandum, ECMWF Technical Memoranda

File

10244-progress-ocean-wave-forecasting.pdf

A processor to get UV-B and UV-A radiation products in/from the ECMWF IFS

Author

J.-J. Morcrette

A. Arola

2007, Technical memorandum, ECMWF Technical Memoranda

File

11270-processor-get-uv-b-and-uv-radiation-products-ecmwf-ifs.pdf

An inter-comparison of line-by-line radiative transfer models

Author

Marco Matricardi

2007, Technical memorandum, ECMWF Technical Memoranda

File

11022-inter-comparison-line-line-radiative-transfer-models.pdf

The evaluation of the HIRS/4 instrument on Metop 2 by using the ECMWF data assimilation system to provide a reference to compare with other sensors.

Author

G.A. Kelly

2007, Technical memorandum, ECMWF Technical Memoranda

File

10446-evaluation-hirs4-instrument-metop-2-using-ecmwf-data-assimilation-system-provide-reference.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

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

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

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

A dual mass flux framework for boundary layer convection. Part II: Clouds

Author

R. Neggers

2007, Report, ECMWF-ARM Report Series

File

11371-dual-mass-flux-framework-boundary-layer-convection-part-ii-clouds.pdf

Model error estimation in 4D-Var

Author

Y. Trémolet

2007, Technical memorandum, ECMWF Technical Memoranda

File

12819-model-error-estimation-4d-var.pdf

Using NWP to assess climate models.

Author

Mark Rodwell

T.N. Palmer

2007, Technical memorandum, ECMWF Technical Memoranda

File

11987-using-nwp-assess-climate-models.pdf

Ensemble forecasting

Author

Martin Leutbecher

T.N. Palmer

2007, Technical memorandum, ECMWF Technical Memoranda

File

10729-ensemble-forecasting.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

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

The value of targeted observations - Part I: Data denial experiments for the Atlantic and the Pacific.

Author

G.A. Kelly

Jean-Noël Thépaut

Roberto Buizza

Carla Cardinali

2007, Technical memorandum, ECMWF Technical Memoranda

File

10443-value-targeted-observations-part-i-data-denial-experiments-atlantic-and-pacific.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

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

Impact of SSM/I observations related to moisture, clouds and precipitation on global NWP forecast skill

The ADM-Aeolus wind retrieval algorithms

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

Detection of extreme events from a SAR image spectrum

Notes on the exact solution of moist updraught equations

Selection of IASI channels for use in numerical weather prediction

Progress in ocean wave forecasting

A processor to get UV-B and UV-A radiation products in/from the ECMWF IFS

An inter-comparison of line-by-line radiative transfer models

The evaluation of the HIRS/4 instrument on Metop 2 by using the ECMWF data assimilation system to provide a reference to compare with other sensors.

Ku-band radar altimeter surface wind speed algorithm

Assimilation of MODIS cloud optical depths in the ECMWF model

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

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

A dual mass flux framework for boundary layer convection. Part II: Clouds

Model error estimation in 4D-Var

Using NWP to assess climate models.

Ensemble forecasting

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

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.

The value of targeted observations - Part I: Data denial experiments for the Atlantic and the Pacific.

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

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