Virtual Event: ECMWF/EUMETSAT NWP SAF Workshop on the treatment of random and systematic errors in satellite data assimilation for NWP
from Monday, 2 November 2020 (09:00) to Thursday, 5 November 2020 (17:30)
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Monday, 2 November 202011:0011:00 - 13:40Contributions
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11:00 Welcome - Andy Brown (ECMWF)
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11:10 Workshop logistics - Patrick Laloyaux (ECMWF)
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11:15 A review of the evolution of setting observation errors in satellite DA - Niels Bormann (ECMWF)
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13:00 Disentangling biases in observations and models over the years - Dick Dee (JCSDA)
13:4513:45 - 16:10Contributions-
13:45 Metrology-inspired approaches to characterisation of uncertainty in Earth observations - Chris Merchant (University of Reading)
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14:15 Feedback between GSICS and the NWP Community on Radiometric and Spectral Biases - Tim Hewison (EUMETSAT)
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15:15 Characterization of Cross-track Infrared Sounder calibration uncertainties and Noise behavior - David Tobin (SSEC)
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15:45 Use of uncertainty information from reference observations in model and satellite cal/val - Stuart Newman (Met Office)
16:1516:15 - 17:1517:1517:15 - 17:45 -
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Tuesday, 3 November 202009:0009:00 - 11:00Contributions
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09:00 Error modelling and bias estimation for Aeolus - Michael Rennie (ECMWF)
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09:30 The role of representation error in IR and 183 Ghz measurements - Xavier Calbet (AEMET)
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10:30 Modelling observation errors for historical datasets - Paul Poli (EUMETSAT)
11:0011:00 - 13:30Contributions-
11:00 Estimation of model biases and the importance of scale separation - Patrick Laloyaux (ECMWF)
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11:30 Exploring Model Error with Machine Learning - Massimo Bonavita (ECMWF)
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13:00 The role of GNSS radio occultation measurements constraining biases in NWP and reanalyses - Sean Healy (ECMWF)
13:3013:30 - 17:15Contributions-
13:30 Bias correction of observations based on an analysis that uses only anchor observations - Mark Buehner (Environment and Climate Change Canada)
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14:00 The treatment of biases in the ERA5 global reanalysis - Bill Bell (ECMWF)
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15:00 Understanding the role of analysis error in convergence of reanalysis production streams in MERRA-2 - Amal Elakkraoui (NASA)
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15:30 Constrained variational bias correction - Wei Han (JCSDA)
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16:15 Panel discussion on treating biases in satellite DA (Moderator: Bill Bell) (Panellists: Hans Hersbach, Robin Faulwetter, Sergey Frolov, Tony McNally)
17:1517:15 - 17:45 -
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Wednesday, 4 November 202009:0009:00 - 11:00Contributions
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09:00 Error correlations and hyperspectral sounders - Fiona Smith (Bureau of Meteorology - BoM)
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09:30 Including the horizontal observation error correlation in the assimilation of AMSU-A data - Koji Terasaki (RIKEN)
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10:00 Estimating observation errors: diagnostics, possibilities, and pitfalls - Sarah Dance (University of Reading)
11:0011:00 - 15:45Contributions-
11:00 Treating uncertainties in the assimilation of AMVs - James Cotton (Met Office)
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11:30 Situation-dependent inter-channel error correlations for all-sky data assimilation - Alan Geer (ECMWF)
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13:00 Pragmatic approaches for treating spatial error correlations: thinning, inflation, gradient observations - Joël Bédard (Environment and Climate Change Canada)
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13:30 A method for representing spatially correlated observation errors for wind data - Oliver Guillet (Météo-France)
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14:30 Panel discussion on observation errors (Moderator: Niels Bormann) (Panellists: Jo Waller, Olaf Stiller, Peter Weston, Pierre Gauthier, Yann Michel)
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15:30 Introduction to Working Groups - Bormann Niels (ECMWF)
15:4515:45 - 16:45 -
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Thursday, 5 November 202009:0009:00 - 10:0010:0010:00 - 16:30Contributions
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10:00 WG3: Treatment of observation errors I - chaired by Nancy Nichols (University of Reading) and Peter Weston (ECMWF)
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10:00 WG1: Treatment of biases I - chaired by Paul Poli (EUMETSAT) and Patrick Laloyaux (ECMWF)
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10:00 WG2: Treatment of biases II - chaired by Stuart Newman (Met Office) and Sean Healy (ECMWF)
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10:00 WG4: Treatment of observation errors II - chaired by Jo Waller (Met Office) and Stephen English (ECMWF)
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15:00 WG chairs finalise reports
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15:30 Plenary and close - Niels Bormann (ECMWF)
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