COPT81 ====== Case description ---------------- The COPT81 case is a two-dimensional tropical deep convection case based on the 1981 COPT (Convection Promotion Tensisphere) campaign in the Caribbean. Configuration ---------------- .. csv-table:: :header: Parameter, Value :widths: 30, 30 Category, Idealized cases Dynamics, 2D non-hydrostatic Horizontal grid spacing, 1.25 km (320x1) Vertical levels, 46 Integration length, 10800 s (3 hours) Time step, 5 s Turbulence, TKEL (3D) Cloud scheme, LIMA Deep convection, NONE Radiation, NONE Declination ---------- .. csv-table:: :header: Configuration, Cloud scheme, Description :widths: 30, 30, 30 COPT81_CART, ICE3, Standard cartesian with ICE3 COPT81_CART_LIMA, LIMA, Cartesian with LIMA COPT81_MASK, ICE3, Masked terrain COPT81_MASK_LRED, ICE3, Masked with reduced resolution Steps ---------------- .. csv-table:: :header: Step, Script :widths: 30, 30 001_prep_ideal, run_prep_ideal_case_xyz 002_mesonh, run_mesonh_xyz Specificities ---------------- **Scientific specificities** - 2D tropical deep convection - Caribbean soundings - Deep convective transport - Cloud microphysics (ICE3 or LIMA) **Technical specificities** - Cartesian 2D domain (320x1) - 46 vertical levels - Open boundary conditions - Masked terrain variants Validation ---------------- - Vertical velocity profiles - Convective available potential energy (CAPE) - Cloud properties Numerical ressources ---------------- Single CPU (1 node, 1 core) References ---------------- - Chauzy, S., Chong, M., Delannoy, A., & Despiau, S. (1985). The June 22 tropical squall line observed during COPT 81 experiment: Electrical signature associated with dynamical structure and precipitation. Journal of Geophysical Research: Atmospheres, 90(D4), 6091-6098.