Virtual Event: Annual Seminar 2020
Session
We give an overview of the dynamics developments within the ALADIN NWP consortium that develops the ALADIN System. This system is used by the ALADIN partners to run limited-area model (LAM) configurations for their national needs. The applications run at resolutions of about 1 km. The code of the ALADIN System is shared with the global ARPEGE model of Météo-France and the IFS of the...
Despite its proven robustness and accuracy for NWP purposes at kilometric scales, the so-called “constant-coefficient” linear approach for solving the system of Euler equations with a semi-implicit scheme may suffer from two serious weaknesses when severe high-resolution flows and steep orography are at stake. Actually, the inconsistency in the boundary treatment between the horizontally...