Technical Memoranda

703
Emanuel Dutra; Michail Diamantakis; Ivan Tsonevsky; Ervin Zsótér; Fredrik Wetterhall; Tim Stockdale; David Richardson; Florian Pappenberger
The extreme forecast index applied to seasonal forecasts
06/2013
9171-extreme-forecast-index-applied-seasonal-forecasts.pdf
702
N. Andela; J. Kaiser; A. Heil; T.T. van Leeuwen; M.J. Wooster; G.R. van der Werf; S. Remy; M.G. Schultz
Assessment of the Global Fire Assimilation System (GFASv1)
06/2013
7707-assessment-global-fire-assimilation-system-gfasv1.pdf
701
Massimo Bonavita
On some aspects of the impact of GPSRO observations in global numerical weather prediction
05/2013
8266-some-aspects-impact-gpsro-observations-global-numerical-weather-prediction.pdf
700
Qifeng Lu; W. Bell
Characterising channel center frequencies in AMSU-A and MSU microwave sounding instruments
05/2013
10849-characterising-channel-center-frequencies-amsu-and-msu-microwave-sounding-instruments.pdf
699
Linus Magnusson; A.J. Thorpe; Massimo Bonavita; S.T.K. Lang; A. McNally; Nils Wedi
Evaluation of forecasts for hurricane Sandy
04/2013
75518-evaluation-forecasts-hurricane-sandy.pdf
698
J. Ling; C. Zhang; Peter Bechtold
Large-scale distinctions between MJO and non-MJO convective initiation over the tropical Indian Ocean
05/2013
10758-large-scale-distinctions-between-mjo-and-non-mjo-convective-initiation-over-tropical-indian.pdf
697
C. Albergel; W. Dorigo; Gianpaolo Balsamo; Joaquin Munoz Sabater; Patricia de Rosnay; L. Isaksen; L. Brocca; R. de Jeu; W. Wagner
Monitoring multi-decadal satellite earth observation of soil moisture products through land surface reanalyses
04/2013
73400-monitoring-multi-decadal-satellite-earth-observation-soil-moisture-products-through-land.pdf
696
A. McNally; Massimo Bonavita; Jean-Noël Thépaut
The role of satellite data in the forecasting of hurricane Sandy
03/2013
11086-role-satellite-data-forecasting-hurricane-sandy.pdf
695
C. Albergel; W. Dorigo; R. Reichle; Gianpaolo Balsamo; Patricia de Rosnay; Joaquin Munoz Sabater; L. Isaksen; R. de Jeu; W. Wagner
Skill and global trend analysis of soil moisture from reanalyses and microwave remote sensing
03/2013
73401-skill-and-global-trend-analysis-soil-moisture-reanalyses-and-microwave-remote-sensing.pdf
694
Frédéric Vitart
Evolution of ECMWF sub-seasonal forecast skill scores over the past 10 years
02/2013
12932-evolution-ecmwf-sub-seasonal-forecast-skill-scores-over-past-10-years.pdf
693
F. Harnisch; Sean Healy; Peter Bauer; S.J. English
Scaling of GNSS radio occultation impact with observation number using an ensemble of data assimilations
03/2013
9778-scaling-gnss-radio-occultation-impact-observation-number-using-ensemble-data-assimilations.pdf
692
Peter Bauer; G. Radnóti; Sean Healy; Carla Cardinali
GNSS radio occultation constellation observing system experiments
02/2013
7994-gnss-radio-occultation-constellation-observing-system-experiments.pdf
691
Johannes Flemming; Antje Inness
Volcanic sulphur dioxide plume forecasts based on UV-satellite retrievals for the 2011 Grimsvotn and the 2010 Eyjafjallajokull eruption
12/2012
9419-volcanic-sulphur-dioxide-plume-forecasts-based-uv-satellite-retrievals-2011-grimsvotn-and-2010.pdf
690
Marco Matricardi; A. McNally
The direct assimilation of principal components of IASI spectra in the ECMWF 4D-Var
12/2012
11028-direct-assimilation-principal-components-iasi-spectra-ecmwf-4d-var.pdf
689
Niels Bormann; Anne Fouilloux; W. Bell
Evaluation and assimilation of ATMS data in the ECMWF system
12/2012
8301-evaluation-and-assimilation-atms-data-ecmwf-system.pdf
688
David Richardson; Jean-Raymond Bidlot; Laura Ferranti; A Ghelli; Thomas Haiden; Timothy Hewson; Martin Janousek; F. Prates; Frédéric Vitart
Verification statistics and evaluations of ECMWF forecasts in 2011-2012.
11/2012
76161-verification-statistics-and-evaluations-ecmwf-forecasts-2011-2012.pdf
687
D.P. Dee; Magdalena Alonso Balmaseda; Gianpaolo Balsamo; Richard Engelen; Adrian Simmons
Toward a consistent reanalysis of the climate system
11/2012
74148-toward-consistent-reanalysis-climate-system.pdf
686
Peter Bechtold; Peter Bauer; P. Berrisford; Jean-Raymond Bidlot; Carla Cardinali; Thomas Haiden; Martin Janousek; D. Klocke; Linus Magnusson; A. McNally; F. Prates; Mark Rodwell; N. Semane; Frédéric Vitart
Progress in predicting tropical systems: The role of convection
11/2012
73617-progress-predicting-tropical-systems-role-convection.pdf
685
C. Albergel; Gianpaolo Balsamo; Patricia de Rosnay; Joaquin Munoz Sabater; Souhail Boussetta
A bare ground evaporation revision in the ECMWF land-surface scheme: evaluation of its impact using ground soil moisture and satellite microwave data
09/2012
73403-bare-ground-evaporation-revision-ecmwf-land-surface-scheme-evaluation-its-impact-using-ground.pdf
684
Irina Sandu; Anton Beljaars; Peter Bechtold; T. Mauritsen; Gianpaolo Balsamo
Why is it so difficult to represent stably stratified conditions in NWP models?
08/2012
12086-why-it-so-difficult-represent-stably-stratified-conditions-nwp-models.pdf
683
Manrique Suñén; A. Nordbo; Gianpaolo Balsamo; Anton Beljaars; I. Mammarella
Representing land surface heterogeneity with the tiling method: merits and limitations in presence of large contrast
07/2012
10959-representing-land-surface-heterogeneity-tiling-method-merits-and-limitations-presence-large.pdf
682
L. Hirons; P. Inness; Frédéric Vitart; Peter Bechtold
Understanding advances in the simulation of intraseasonal variability in the ECMWF model. Part II: The application of process-based diagnostics
06/2012
9899-understanding-advances-simulation-intraseasonal-variability-ecmwf-model-part-ii-application.pdf
681
L. Hirons; P. Inness; Frédéric Vitart; Peter Bechtold
Understanding advances in the simulation of intraseasonal variability in the ECMWF model. Part I: The representation of the MJO
07/2012
9898-understanding-advances-simulation-intraseasonal-variability-ecmwf-model-part-i-representation.pdf
680
E. Hólm; Tomas Kral
Flow-dependent, geographically varying background error covariances for 1D-VAR applications in MTG-IRS L2 Processing
12/2012
9997-flow-dependent-geographically-varying-background-error-covariances-1d-var-applications-mtg-irs.pdf