Monday, 2 July 2018


0900
Ron Errico and David Carvalho
Welcoming Remarks and Announcements

Morning Session: Sensitivity Analysis
Chair: TBD

0920
Marta Janisková, P. Lopez, F. Vána
Well known and less obvious applications of adjoint models: Do we explore enough their potential?

0940
Michael Morgan, Zhaoxiangrui He
Using adjoint-informed optimal initial condition perturbations to study tropical cyclone intensity change.

1000
Craig Oswald, Michael Morgan
Understanding the sensitivity of cyclogenesis using adjoint analysis

1020
Coffee Break

1050
Alexander Goldstein
New methods for the calculation and analysis of quasi-optimal adjoint perturbation

1110
Zoë Brooke Zibton, Michael Morgan, Brett Hoover
Adjoint sensitivity diagnosis of the intensification of Hurricane Harvey

1130
Brian Ancell, Allison Bogusz, Matthew Lauridsen, Christian Nauert
Chaos seeding within perturbation experiments

1150
Jeremy Berman, Ryan Torn
The impact of warm conveyor belt forecast errors on variability in the downstream waveguide

1230
Lunch


Afternoon Session: General Theoretical Data Assimilation
Chair: TBD

1400
Richard Menard, Sergey Skachko
Ensemble variance loss of in transport models and its implication to 4Dvar

1420
Olivier Pannekoucke, S. Ricci, R. Ménard, M. Bocquet, O. Thual
Parametric Kalman filter : toward an alternative to the EnKF ?

1440
Asia Pelc
Accelerating local ensemble tangent linear models with order reduction

1500
Benjamin Ménétrier, Etienne Arbogast, Loïk Berre, Yannick Trémolet
The Normalized Interpolated Convolution on an Adaptive Subgrid (NICAS) method, a new implementation of localization for EnVar applications

1520
F. Mercier, Yann Michel, P. Jolivet, S. Gurol, T. Montmerle
Block methods for solving an ensemble of data assimilations

1540
Coffee Break

1600
Wei Kang, Liang Xu
Data assimilation for models with a sparse error covariance

1620
Maha H. Kaouri, Coralia Cartis, Amos Lawless, Nancy Nichols
Gauss-Newton-type optimization methods for variational data assimilation

1640
Serge Gratton, Selime Gürol, Ehouarn Simon, Philipe Toint
On the use of the saddle formulation in weakly-constrained 4D-Var

1700
Adrian Sandu, Vishwas Rao, Elias Nino, Michael Ng
Solving robust 4D-Var data assimilation

1900
Dinner