Search ECMWF publications

81550-surfem-ocean-microwave-surface-emissivity-evaluated.pdf

David Duncan

Niels Bormann

Stephen English

2024, Technical memorandum, ECMWF Technical Memoranda

Document

Methods for assessing the impact of current and future components of the global observing system

Author

Sean Healy

Elias Holm

Bruce Ingleby

Katie Lean

Katrin Lonitz

81556-methods-for-assessing-the-impact-of-current-and-future-components-of-the-global-observing-system.pdf

2024, Technical memorandum, ECMWF Technical Memoranda

Document

Large-scale distinctions between MJO and non-MJO convective initiation over the tropical Indian Ocean

Author

J. Ling

C. Zhang

Peter Bechtold

2013, Technical memorandum, ECMWF Technical Memoranda

File

10758-large-scale-distinctions-between-mjo-and-non-mjo-convective-initiation-over-tropical-indian.pdf

Experimental 4D-Var assimilation of SYNOP rain gauge data at ECMWF

Author

Philippe Lopez

2012, Technical memorandum, ECMWF Technical Memoranda

File

10790-experimental-4d-var-assimilation-synop-rain-gauge-data-ecmwf.pdf

Comparison of ODYSSEY precipitation composites to SYNOP rain gauges and ECMWF model

Author

Philippe Lopez

2014, Technical memorandum, ECMWF Technical Memoranda

File

10792-comparison-odyssey-precipitation-composites-synop-rain-gauges-and-ecmwf-model.pdf

Comparison of NCEP Stage IV precipitation composites with ECMWF model

Author

Philippe Lopez

2014, Technical memorandum, ECMWF Technical Memoranda

File

10793-comparison-ncep-stage-iv-precipitation-composites-ecmwf-model.pdf

A convection scheme for data assimilation: description and initial tests.

Author

Philippe Lopez

E. Moreau

2003, Technical memorandum, ECMWF Technical Memoranda

File

10796-convection-scheme-data-assimilation-description-and-initial-tests.pdf

"1D+4D-Var" assimilation of NCEP Stage IV radar and gauge hourly precipitation data.

Author

Philippe Lopez

10798-1d4d-var-assimilation-ncep-stage-iv-radar-and-gauge-hourly-precipitation-data.pdf

2006, Technical memorandum, ECMWF Technical Memoranda

File

Experimental 2D-Var assimilation of ARM cloud and precipitation observations.

Author

Philippe Lopez

Angela Benedetti

10800-experimental-2d-var-assimilation-arm-cloud-and-precipitation-observations.pdf

Marta Janiskova

M. Köhler

2005, Technical memorandum, ECMWF Technical Memoranda

File

Specification of rain gauge representativity error for data assimilation

Author

Philippe Lopez

G.-H. Ryu

B.-J. Sohn

L. Davies

C. Jakob

10801-specification-rain-gauge-representativity-error-data-assimilation.pdf

2011, Technical memorandum, ECMWF Technical Memoranda

File

A 5-year 40km resolution global climatology of super-refraction for ground-based radar meteorology.

Author

Philippe Lopez

2008, Technical memorandum, ECMWF Technical Memoranda

File

10803-5-year-40km-resolution-global-climatology-super-refraction-ground-based-radar-meteorology.pdf

Comparison of OPERA precipitation radar composites to CMORPH, SYNOP and ECMWF model data.

Author

Philippe Lopez

2008, Technical memorandum, ECMWF Technical Memoranda

File

10804-comparison-opera-precipitation-radar-composites-cmorph-synop-and-ecmwf-model-data.pdf

Direct 4D-Var assimilation of NCEP Stage IV radar and gauge precipitation data at ECMWF

Author

Philippe Lopez

2010, Technical memorandum, ECMWF Technical Memoranda

File

10805-direct-4d-var-assimilation-ncep-stage-iv-radar-and-gauge-precipitation-data-ecmwf.pdf

The treatment of humidity in ECMWF's data assimilation scheme

Author

A. Lorenc

S. Tibaldi

1979, Technical memorandum, ECMWF Technical Memoranda

File

10813-treatment-humidity-ecmwfs-data-assimilation-scheme.pdf

A new sub-grid scale orographic drag parametrization: Its formulation and testing

Author

F. Lott

M.J. Miller

1995, Technical memorandum, ECMWF Technical Memoranda

File

10835-new-sub-grid-scale-orographic-drag-parametrization-its-formulation-and-testing.pdf

Characterising channel center frequencies in AMSU-A and MSU microwave sounding instruments

Author

Qifeng Lu

W. Bell

2013, Technical memorandum, ECMWF Technical Memoranda

File

10849-characterising-channel-center-frequencies-amsu-and-msu-microwave-sounding-instruments.pdf

Improved assimilation of data from China's FY-3A Microwave Temperature Sounder (MWTS)

Author

Qifeng Lu

W. Bell

C. Peubey

10850-improved-assimilation-data-chinas-fy-3a-microwave-temperature-sounder-mwts.pdf

2011, Technical memorandum, ECMWF Technical Memoranda

File

Characterising the FY-3A microwave temperature sounder using the ECMWF model

Author

Qifeng Lu

W. Bell

10852-characterising-fy-3a-microwave-temperature-sounder-using-ecmwf-model.pdf

C. Peubey

2011, Technical memorandum, ECMWF Technical Memoranda

File

An initial evaluation of FY-3A satellite data

Author

W. Bell

10853-initial-evaluation-fy-3a-satellite-data.pdf

C. Peubey

2010, Technical memorandum, ECMWF Technical Memoranda

File

Retrieving N_2O from nadir viewing infrared spectrometers

Author

A.M. Lubrano

G. Masiello

Marco Matricardi

C. Serio

2003, Technical memorandum, ECMWF Technical Memoranda

File

10855-retrieving-n2o-nadir-viewing-infrared-spectrometers.pdf

Operational implementation of RTTOV-11 in the IFS

Author

10860-operational-implementation-rttov-11-ifs.pdf

2015, Technical memorandum, ECMWF Technical Memoranda

File

Revision of the microwave coefficient files in the IFS

Author