{
 "ocl_version": "0.1.0",
 "name": "Kentucky Avenue",
 "slug": "kentucky-avenue",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 21.950736442607877,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 668.0,
   "end_distance_m": 670.0,
   "start_elevation_m": 328.2127513122648,
   "end_elevation_m": 328.65176604111696,
   "min_gradient_pct": -37.16043048956692
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 21.453992574053398,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 668.0,
   "end_distance_m": 671.0,
   "start_elevation_m": 328.2127513122648,
   "end_elevation_m": 328.8563710894864,
   "min_gradient_pct": -35.07904748583807
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.178508350233187,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 668.0,
   "end_distance_m": 673.0,
   "start_elevation_m": 328.2127513122648,
   "end_elevation_m": 329.27167672977646,
   "min_gradient_pct": -28.846414835896894
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.992653361450948,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 661.0,
   "end_distance_m": 671.0,
   "start_elevation_m": 326.7571057533413,
   "end_elevation_m": 328.8563710894864,
   "min_gradient_pct": -19.99340654043465
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.540019360097972,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 655.0,
   "end_distance_m": 675.0,
   "start_elevation_m": 325.5635885935802,
   "end_elevation_m": 329.6715924655998,
   "min_gradient_pct": -19.406826300649982
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.299246953041575,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 650.0,
   "end_distance_m": 675.0,
   "start_elevation_m": 324.5967807273394,
   "end_elevation_m": 329.6715924655998,
   "min_gradient_pct": -19.03756205149398
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.93635798935111,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 625.0,
   "end_distance_m": 675.0,
   "start_elevation_m": 319.70341347092426,
   "end_elevation_m": 329.6715924655998,
   "min_gradient_pct": -17.654627348121153
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.867668302097798,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 594.0,
   "end_distance_m": 694.0,
   "start_elevation_m": 314.98821579852864,
   "end_elevation_m": 332.85588410062644,
   "min_gradient_pct": -11.280389755561885
  }
 ],
 "shape": {
  "ascent_concentration": 0.465,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 254.0,
  "shape_class": "stepped"
 },
 "length_m": 1238.5068758473421,
 "start_elevation_m": 269.216132525323,
 "end_elevation_m": 351.7947060661545,
 "endpoint_gain_m": 82.57857354083148,
 "overall_gradient_pct": 6.667591044606368,
 "accumulated_ascent_m": 94.68262727741347,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.178508350233187,
   "start_distance_m": 668.0,
   "end_distance_m": 673.0,
   "midpoint_distance_m": 670.5,
   "start_elevation_m": 328.2127513122648,
   "end_elevation_m": 329.27167672977646,
   "start_xy": [
    601441.5150785384,
    4474527.320900599
   ],
   "end_xy": [
    601445.160129932,
    4474530.743414344
   ]
  },
  "max_10m": {
   "gradient_pct": 20.992653361450948,
   "start_distance_m": 661.0,
   "end_distance_m": 671.0,
   "midpoint_distance_m": 666.0,
   "start_elevation_m": 326.7571057533413,
   "end_elevation_m": 328.8563710894864,
   "start_xy": [
    601436.4120065876,
    4474522.529381354
   ],
   "end_xy": [
    601443.7021093746,
    4474529.374408846
   ]
  },
  "max_20m": {
   "gradient_pct": 20.540019360097972,
   "start_distance_m": 655.0,
   "end_distance_m": 675.0,
   "midpoint_distance_m": 665.0,
   "start_elevation_m": 325.5635885935802,
   "end_elevation_m": 329.6715924655998,
   "start_xy": [
    601432.0379449154,
    4474518.42236486
   ],
   "end_xy": [
    601446.6181504894,
    4474532.112419843
   ]
  },
  "max_25m": {
   "gradient_pct": 20.299246953041575,
   "start_distance_m": 650.0,
   "end_distance_m": 675.0,
   "midpoint_distance_m": 662.5,
   "start_elevation_m": 324.5967807273394,
   "end_elevation_m": 329.6715924655998,
   "start_xy": [
    601428.3928935219,
    4474514.999851114
   ],
   "end_xy": [
    601446.6181504894,
    4474532.112419843
   ]
  },
  "max_50m": {
   "gradient_pct": 19.93635798935111,
   "start_distance_m": 625.0,
   "end_distance_m": 675.0,
   "midpoint_distance_m": 650.0,
   "start_elevation_m": 319.70341347092426,
   "end_elevation_m": 329.6715924655998,
   "start_xy": [
    601410.1676365545,
    4474497.887282386
   ],
   "end_xy": [
    601446.6181504894,
    4474532.112419843
   ]
  },
  "max_100m": {
   "gradient_pct": 17.867668302097798,
   "start_distance_m": 594.0,
   "end_distance_m": 694.0,
   "midpoint_distance_m": 644.0,
   "start_elevation_m": 314.98821579852864,
   "end_elevation_m": 332.85588410062644,
   "start_xy": [
    601387.5683179148,
    4474476.667697163
   ],
   "end_xy": [
    601460.4693457846,
    4474545.117972076
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -28.846414835896894,
   "start_distance_m": 813.0,
   "end_distance_m": 818.0,
   "midpoint_distance_m": 815.5,
   "start_elevation_m": 325.31844333399926,
   "end_elevation_m": 323.8761225922044,
   "start_xy": [
    601547.2215689498,
    4474626.573799221
   ],
   "end_xy": [
    601550.8666203432,
    4474629.996312967
   ]
  },
  "min_10m": {
   "gradient_pct": -19.99340654043465,
   "start_distance_m": 777.0,
   "end_distance_m": 787.0,
   "midpoint_distance_m": 782.0,
   "start_elevation_m": 331.03660361024976,
   "end_elevation_m": 329.0372629562063,
   "start_xy": [
    601520.9771989166,
    4474601.931700253
   ],
   "end_xy": [
    601528.2673017036,
    4474608.776727743
   ]
  },
  "min_20m": {
   "gradient_pct": -19.406826300649982,
   "start_distance_m": 770.0,
   "end_distance_m": 790.0,
   "midpoint_distance_m": 780.0,
   "start_elevation_m": 332.3451138216517,
   "end_elevation_m": 328.4637485615217,
   "start_xy": [
    601515.8741269656,
    4474597.140181009
   ],
   "end_xy": [
    601530.4543325397,
    4474610.830235991
   ]
  },
  "min_25m": {
   "gradient_pct": -19.03756205149398,
   "start_distance_m": 769.0,
   "end_distance_m": 794.0,
   "midpoint_distance_m": 781.5,
   "start_elevation_m": 332.5228820720853,
   "end_elevation_m": 327.7634915592118,
   "start_xy": [
    601515.145116687,
    4474596.45567826
   ],
   "end_xy": [
    601533.3703736544,
    4474613.568246988
   ]
  },
  "min_50m": {
   "gradient_pct": -17.654627348121153,
   "start_distance_m": 767.0,
   "end_distance_m": 817.0,
   "midpoint_distance_m": 792.0,
   "start_elevation_m": 332.8694201893787,
   "end_elevation_m": 324.0421065153181,
   "start_xy": [
    601513.6870961296,
    4474595.0866727615
   ],
   "end_xy": [
    601550.1376100645,
    4474629.311810218
   ]
  },
  "min_100m": {
   "gradient_pct": -11.280389755561885,
   "start_distance_m": 722.0,
   "end_distance_m": 822.0,
   "midpoint_distance_m": 772.0,
   "start_elevation_m": 335.12794860458996,
   "end_elevation_m": 323.8475588490281,
   "start_xy": [
    601480.8816335882,
    4474564.284049051
   ],
   "end_xy": [
    601553.782661458,
    4474632.734323963
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 21.950736442607877,
   "start_distance_m": 668.0,
   "end_distance_m": 670.0,
   "midpoint_distance_m": 669.0,
   "start_elevation_m": 328.2127513122648,
   "end_elevation_m": 328.65176604111696,
   "start_xy": [
    601441.5150785384,
    4474527.320900599
   ],
   "end_xy": [
    601442.9730990959,
    4474528.689906097
   ]
  },
  "max_3m": {
   "gradient_pct": 21.453992574053398,
   "start_distance_m": 668.0,
   "end_distance_m": 671.0,
   "midpoint_distance_m": 669.5,
   "start_elevation_m": 328.2127513122648,
   "end_elevation_m": 328.8563710894864,
   "start_xy": [
    601441.5150785384,
    4474527.320900599
   ],
   "end_xy": [
    601443.7021093746,
    4474529.374408846
   ]
  }
 },
 "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.",
 "quality_summary": {
  "review": [],
  "extent": []
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "sample_interval_m": 1.0,
  "interpolation": "bilinear",
  "smoothing": "none",
  "gradient_windows_m": [
   5.0,
   10.0,
   20.0,
   25.0,
   50.0,
   100.0
  ],
  "diagnostic_windows_m": [
   2.0,
   3.0
  ],
  "elevation_crs": "EPSG:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa-west/USGS_1M_17_x60y448_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T12:47:15+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/pennsylvania-2026-09-07-batch-band1.osm.pbf",
  "osm_snapshot": "",
  "run_id": "pa-run4-260907",
  "elevation_provider": "USGS 3DEP (The National Map)",
  "elevation_licence": "Public domain \u2014 USGS 3DEP 1 m DEM, courtesy of the U.S. Geological Survey",
  "elevation_dataset": "USGS 3DEP 1 m DEM, PA_WesternPA_2019_D20 (collected 2020)",
  "elevation_tile_ids": [
   "x60y448"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_WesternPA_2019_D20: HTTP Error 404: Not Found",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Turtle Creek",
  "county": "Pennsylvania"
 }
}