Wind Speed | 4 to 10.5 m/s (avg. 6.1 m/s); max: 8.8 m/s (Jul 10), 8.2 m/s (Jul 26, Aug 30) |
Wind Direction | 85.7° to 190.4°, predominantly southeast; avg. 110°–115.1° |
Wave Height (SWH) | 1.3 – 4.2 m, avg. 2.3 m; high: 3.6 m (Jul 25), 2.8 m (Aug 06) |
Wave Period (MWP) | 5.2 – 8.8 s, avg. 7 s |
Tidal Elevation | 0.65 – 1.98 m; high tides: 1.7 m (Jul 25), 1.6 m (Aug 06) |
Current Speed | 0.129 – 0.434 m/s; avg. 0.284 m/s |
Current Direction | Predominantly southwest |
Stokes Drift | Northwestward; aligned with wave propagation |
Spill Location | ~20.438°S, 57.745°E (near Pointe d'Esny, Mauritius) |
Oil Type | Very Low Sulphur Fuel Oil (VLSFO), diesel, lube oils |
Oil Volume | 1050 metric tons (1000 initially, 50 tons later) |
Simulation Start | July 25 or August 06, 2020 (depending on model setup) |
Simulation Duration | 18 days (typical); from July 25 or August 06 to mid/late August |
Windage Factor | 3% of wind speed |
Diffusion Coefficient | 100,000 cm²/s (default) |
Refloat Half-life | 1 hour (default for GNOME) |
Incident Timeline | Grounding: July 25, 2020; Oil leak: Aug 06; Ship breakup: Aug 15 |
Shoreline Data | High-resolution data for southeast Mauritius |
Bathymetry | Depth data near the incident area |
Oil Evaporation | Simulated using 3-phase evaporation model |
Mass Balance | Tracks floating, beached, evaporated, and dispersed oil |