DOI: 10.5281/zenodo.16791411
title: Hurricane Boundary Layer Dataset: Supporting Data for Land Friction Effects During Hurricane Landfall

description: 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