Virtual Event: ECMWF/EUMETSAT NWP SAF Workshop on the treatment of random and systematic errors in satellite data assimilation for NWP

Monday, 2 November
Session 1: Welcome and scene-setting talks
Chair: Patrick Laloyaux (ECMWF)
11:00 11:10
Welcome
Speaker: Andy Brown (ECMWF)

ECMWF

Virtual
10m
11:10 11:15
Workshop logistics
Speaker: Patrick Laloyaux (ECMWF)

ECMWF

Virtual
5m
11:15 11:55
A review of the evolution of setting observation errors in satellite DA
Speaker: Niels Bormann (ECMWF)

ECMWF

Virtual
40m
12:00 13:00
Lunch break

ECMWF

Virtual
1h
13:00 13:40
Disentangling biases in observations and models over the years
Speaker: Dick Dee (JCSDA)

ECMWF

Virtual
40m
Session 2: Estimating uncertainty
Chair: Bill Bell (ECMWF)
13:45 14:10
Metrology-inspired approaches to characterisation of uncertainty in Earth observations
Speaker: Chris Merchant (University of Reading)

ECMWF

Virtual
25m
14:15 14:40
Feedback between GSICS and the NWP Community on Radiometric and Spectral Biases
Speaker: Tim Hewison (EUMETSAT)

ECMWF

Virtual
25m
14:45 15:15
Coffee break

ECMWF

Virtual
30m
15:15 15:40
Characterization of Cross-track Infrared Sounder calibration uncertainties and Noise behavior
Speaker: David Tobin (SSEC)

ECMWF

Virtual
25m
15:45 16:10
Use of uncertainty information from reference observations in model and satellite cal/val
Speaker: Stuart Newman (Met Office)

ECMWF

Virtual
25m
16:15 17:15
Poster session
1h
17:15 17:45
Catch up with Monday's speakers: Chris Merchant, David Tobin, Stuart Newman, Dick Dee, Tim Hewison, Niels Bormann
30m
Tuesday, 3 November
Session 2 continued: Estimating uncertainty
Chair: Niels Bormann (ECMWF)
09:00 09:25
Error modelling and bias estimation for Aeolus
Speaker: Michael Rennie (ECMWF)

ECMWF

Virtual
25m
09:30 09:55
The role of representation error in IR and 183 Ghz measurements
Speaker: Xavier Calbet (AEMET)

ECMWF

Virtual
25m
10:00 10:30
Coffee break

ECMWF

Virtual
30m
10:30 10:55
Modelling observation errors for historical datasets
Speaker: Paul Poli (EUMETSAT)

ECMWF

Virtual
25m
Session 3: Correction of model and observational biases
Chair: Alan Geer (ECMWF)
11:00 11:25
Estimation of model biases and the importance of scale separation
Speaker: Patrick Laloyaux (ECMWF)

ECMWF

Virtual
25m
11:30 11:55
Exploring Model Error with Machine Learning
Speaker: Massimo Bonavita (ECMWF)

ECMWF

Virtual
25m
12:00 13:00
Lunch break

ECMWF

Virtual
1h
13:00 13:25
The role of GNSS radio occultation measurements constraining biases in NWP and reanalyses
Speaker: Sean Healy (ECMWF)

ECMWF

Virtual
25m
Session 3 continued: Correction of model and observation biases
Chair: David Duncan (ECMWF)
13:30 13:55
Bias correction of observations based on an analysis that uses only anchor observations
Speaker: Mark Buehner (Environment and Climate Change Canada)

ECMWF

Virtual
25m
14:00 14:25
The treatment of biases in the ERA5 global reanalysis
Speaker: Bill Bell (ECMWF)

ECMWF

Virtual
25m
14:30 15:00
Coffee break

ECMWF

Virtual
30m
15:00 15:25
Understanding the role of analysis error in convergence of reanalysis production streams in MERRA-2
Speaker: Amal Elakkraoui (NASA)

ECMWF

Virtual
25m
15:30 15:55
Constrained variational bias correction
Speaker: Wei Han (JCSDA)

ECMWF

Virtual
25m
16:00 16:15
Break

ECMWF

Virtual
15m
16:15 17:15
Panel discussion on treating biases in satellite DA (Moderator: Bill Bell) (Panellists: Hans Hersbach, Robin Faulwetter, Sergey Frolov, Tony McNally)

ECMWF

Virtual
1h
17:15 17:45
Catch up with Tuesday's speakers: Bill Bell, Amal Elakkraoui, Paul Poli, Patrick Laloyaux, Massimo Bonavita, Sean Healy, Mark Buehner, Wei Han, Michael Rennie, Xavier Calbet
30m
Wednesday, 4 November
Session 4: Observation errors
Chair: Massimo Bonavita (ECMWF)
09:00 09:25
Error correlations and hyperspectral sounders
Speaker: Fiona Smith (Bureau of Meteorology - BoM)

ECMWF

Virtual
25m
09:30 09:55
Including the horizontal observation error correlation in the assimilation of AMSU-A data
Speaker: Koji Terasaki (RIKEN)

ECMWF

Virtual
25m
10:00 10:25
Estimating observation errors: diagnostics, possibilities, and pitfalls
Speaker: Sarah Dance (University of Reading)

ECMWF

Virtual
25m
10:30 11:00
Coffee break

ECMWF

Virtual
30m
Session 4 continued: Observation errors
Chair: Kirsti Salonen (ECMWF)
11:00 11:25
Treating uncertainties in the assimilation of AMVs
Speaker: James Cotton (Met Office)

ECMWF

Virtual
25m
11:30 11:55
Situation-dependent inter-channel error correlations for all-sky data assimilation
Speaker: Alan Geer (ECMWF)

ECMWF

Virtual
25m
12:00 13:00
Lunch break

ECMWF

Virtual
1h
13:00 13:25
Pragmatic approaches for treating spatial error correlations: thinning, inflation, gradient observations
Speaker: Joël Bédard (Environment and Climate Change Canada)

ECMWF

Virtual
25m
13:30 13:55
A method for representing spatially correlated observation errors for wind data
Speaker: Oliver Guillet (Météo-France)

ECMWF

Virtual
25m
14:00 14:30
Coffee break

ECMWF

Virtual
30m
14:30 15:30
Panel discussion on observation errors (Moderator: Niels Bormann) (Panellists: Jo Waller, Olaf Stiller, Peter Weston, Pierre Gauthier, Yann Michel)

ECMWF

Virtual
1h
15:30 15:45
Introduction to Working Groups
Speaker: Bormann Niels (ECMWF)

ECMWF

Virtual
15m
15:45 16:45
Catch up with Wednesday's speakers: Sarah Dance, Mary Forsythe, Joël Bédard, Oliver Guillet
1h
Thursday, 5 November
09:00 10:00
Poster session and catch up with speakers (Koji Terasaki, Fiona Smith)
1h
Working groups
10:00 15:00
WG1: Treatment of biases I - chaired by Paul Poli (EUMETSAT) and Patrick Laloyaux (ECMWF)

ECMWF

Virtual
5h
10:00 15:00
WG2: Treatment of biases II - chaired by Stuart Newman (Met Office) and Sean Healy (ECMWF)

ECMWF

Virtual
5h
10:00 15:00
WG3: Treatment of observation errors I - chaired by Nancy Nichols (University of Reading) and Peter Weston (ECMWF)

ECMWF

Virtual
5h
10:00 15:00
WG4: Treatment of observation errors II - chaired by Jo Waller (Met Office) and Stephen English (ECMWF)

ECMWF

Virtual
5h
15:00 15:30
WG chairs finalise reports

ECMWF

Virtual
30m
15:30 16:30
Plenary and close
Speaker: Niels Bormann (ECMWF)

ECMWF

Virtual
1h

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