Hurricane Boundary Layer Dataset: Supporting Data for Land Friction Effects During Hurricane Landfall

This dataset contains Hurricane Boundary Layer (HBL) simulation outputs that support the findings presented in the study “Impact of Land Friction on Surface Wind Structure During Hurricane Landfall.” Directory Structure ├── CTRL/ # Control case simulation outputs (3D fields)├── LAND-SEA-MASK/ # Land-sea mask data├── SCRIPTS/ # Coordinate transformation utilities├── Z25/ # Roughness experiment (z₀ = 25 cm) - 2D fields├── Z50/ # Roughness experiment (z₀ = 50 cm) - 2D fields ├── Z75/ # Roughness experiment (z₀ = 75 cm) - 2D fields├── Z100/ # Roughness experiment (z₀ = 100 cm) - 2D fields├── Z50FAST/ # Fast translation speed experiment - 2D fields├── Z50SLOW/ # Slow translation speed experiment - 2D fields└── Z50SMALL/ # Hurricane Size experiment - 2D fields File Descriptions CTRL Directory (Control Case - 3D Fields) Model Output Files: • model_5ms_over_water_steadystate.nc - Steady state solution when storm was completely over water • model_50cm_5ms_ocean_12hr.nc - 12 hours before landfall (REF simulation) • model_50cm_5ms_landfall_12hr.nc - 12 hours before landfall (CTRL simulation) • model_50cm_5ms_ocean_9hr.nc - 9 hours before landfall (REF simulation) • model_50cm_5ms_landfall_9hr.nc - 9 hours before landfall (CTRL simulation) • model_50cm_5ms_ocean_6hr.nc - 6 hours before landfall (REF simulation) • model_50cm_5ms_landfall_6hr.nc - 6 hours before landfall (CTRL simulation) • model_50cm_5ms_ocean_3hr.nc - 3 hours before landfall (REF simulation) • model_50cm_5ms_landfall_3hr.nc - 3 hours before landfall (CTRL simulation) Diagnostic Files: • diagnostics_temporal_overwater.nc - Storm center position for steady state over water • diagnostics_temporal_12hr.nc - Storm center position at 12 hours before landfall • diagnostics_temporal_9hr.nc - Storm center position at 9 hours before landfall • diagnostics_temporal_6hr.nc - Storm center position 6 hours before landfall • diagnostics_temporal_3hr.nc - Storm center position 3 hours before landfall Surface Roughness Experiments (2D Fields) • Z25/: model_25cm_5ms_landfall.nc - Simulation with 25 cm land surface roughness • Z50/: model_50cm_5ms_landfall.nc - Simulation with 50 cm surface roughness • Z75/: model_75cm_5ms_landfall.nc - Simulation with 75 cm surface roughness • Z100/: model_100cm_5ms_landfall.nc - Simulation with 100 cm surface roughness Translation Speed Experiments (2D Fields) • Z50SLOW/: model_50cm_2.5ms_landfall.nc - Slow-moving hurricane (2.5 m/s translation speed) • Z50FAST/: model_50cm_7.5ms_landfall.nc - Fast-moving hurricane (7.5 m/s translation speed) Hurricane Size Experiment (2D Fields) Z50SMALL/: HBL Simulation Outputs: • model_b_1.3_50cm_5ms_ocean_6hr.nc - 6 hours before landfall over ocean (B = 1.3; ocean-only simulation) • model_b_1.3_50cm_5ms_landfall_6hr.nc - 6 hours before landfall approaching land (B = 1.3; with land-surface roughness) Parametric Wind Model Data: • gradient_wind_b_1.nc - Gradient wind field generated using B-parameter = 1.0 • gradient_wind_b_1.3.nc - Gradient wind field generated using B-parameter = 1.3 Auxiliary Data • LAND-SEA-MASK/: land_sea_mask.nc - land sea mask file. • SCRIPTS/: cartesian_to_cylindrical.ncl - NCL script for coordinate transformation