{
 "ocl_version": "0.1.0",
 "name": "Lynch Street",
 "slug": "lynch-street",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.157009320837687,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 179.0,
   "end_distance_m": 181.0,
   "start_elevation_m": 329.98899455057483,
   "end_elevation_m": 330.5121347369916,
   "min_gradient_pct": 6.893683681676066
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.058154260247573,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 180.0,
   "end_distance_m": 183.0,
   "start_elevation_m": 330.2456842010383,
   "end_elevation_m": 331.0274288288457,
   "min_gradient_pct": 7.037178067908674
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.784287612658545,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 178.0,
   "end_distance_m": 183.0,
   "start_elevation_m": 329.7382144482128,
   "end_elevation_m": 331.0274288288457,
   "min_gradient_pct": 7.232407294682162
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.378501747862288,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 176.0,
   "end_distance_m": 186.0,
   "start_elevation_m": 329.23727951220553,
   "end_elevation_m": 331.77512968699176,
   "min_gradient_pct": 7.504670935941817
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.333724251756394,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 171.0,
   "end_distance_m": 191.0,
   "start_elevation_m": 328.2026505136406,
   "end_elevation_m": 332.8693953639919,
   "min_gradient_pct": 8.278412145702134
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.65946525942627,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 167.0,
   "end_distance_m": 192.0,
   "start_elevation_m": 327.4004386074936,
   "end_elevation_m": 333.06530492235015,
   "min_gradient_pct": 8.877018844425493
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.2521855431238,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 159.0,
   "end_distance_m": 209.0,
   "start_elevation_m": 325.7230997446421,
   "end_elevation_m": 336.349192516204,
   "min_gradient_pct": 11.186271467184383
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.888726439772597,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 110.0,
   "end_distance_m": 210.0,
   "start_elevation_m": 318.63522159075217,
   "end_elevation_m": 336.52394803052476,
   "min_gradient_pct": 12.893361927537342
  }
 ],
 "shape": {
  "ascent_concentration": 0.343,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 198.0,
  "shape_class": "sustained"
 },
 "length_m": 211.1912629073363,
 "start_elevation_m": 304.22815776063277,
 "end_elevation_m": 336.6898294140135,
 "endpoint_gain_m": 32.46167165338073,
 "overall_gradient_pct": 15.370745553817649,
 "accumulated_ascent_m": 32.46167165338073,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.784287612658545,
   "start_distance_m": 178.0,
   "end_distance_m": 183.0,
   "midpoint_distance_m": 180.5,
   "start_elevation_m": 329.7382144482128,
   "end_elevation_m": 331.0274288288457,
   "start_xy": [
    580627.8659290326,
    4476660.762963149
   ],
   "end_xy": [
    580629.9220531104,
    4476656.205293374
   ]
  },
  "max_10m": {
   "gradient_pct": 25.378501747862288,
   "start_distance_m": 176.0,
   "end_distance_m": 186.0,
   "midpoint_distance_m": 181.0,
   "start_elevation_m": 329.23727951220553,
   "end_elevation_m": 331.77512968699176,
   "start_xy": [
    580627.0434794015,
    4476662.586031059
   ],
   "end_xy": [
    580631.1557275571,
    4476653.470691509
   ]
  },
  "max_20m": {
   "gradient_pct": 23.333724251756394,
   "start_distance_m": 171.0,
   "end_distance_m": 191.0,
   "midpoint_distance_m": 181.0,
   "start_elevation_m": 328.2026505136406,
   "end_elevation_m": 332.8693953639919,
   "start_xy": [
    580624.9706852698,
    4476667.135949119
   ],
   "end_xy": [
    580633.2118516349,
    4476648.913021734
   ]
  },
  "max_25m": {
   "gradient_pct": 22.65946525942627,
   "start_distance_m": 167.0,
   "end_distance_m": 192.0,
   "midpoint_distance_m": 179.5,
   "start_elevation_m": 327.4004386074936,
   "end_elevation_m": 333.06530492235015,
   "start_xy": [
    580623.2426038383,
    4476670.743404533
   ],
   "end_xy": [
    580633.6230764504,
    4476648.001487779
   ]
  },
  "max_50m": {
   "gradient_pct": 21.2521855431238,
   "start_distance_m": 159.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 184.0,
   "start_elevation_m": 325.7230997446421,
   "end_elevation_m": 336.349192516204,
   "start_xy": [
    580619.7864409754,
    4476677.958315362
   ],
   "end_xy": [
    580640.6138983151,
    4476632.505410545
   ]
  },
  "max_100m": {
   "gradient_pct": 17.888726439772597,
   "start_distance_m": 110.0,
   "end_distance_m": 210.0,
   "midpoint_distance_m": 160.0,
   "start_elevation_m": 318.63522159075217,
   "end_elevation_m": 336.52394803052476,
   "start_xy": [
    580573.4097818586,
    4476676.958872232
   ],
   "end_xy": [
    580641.0251231306,
    4476631.59387659
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 7.232407294682162,
   "start_distance_m": 1.0,
   "end_distance_m": 6.0,
   "midpoint_distance_m": 3.5,
   "start_elevation_m": 304.30310488489863,
   "end_elevation_m": 304.66472524963274,
   "start_xy": [
    580500.9798906612,
    4476722.300949622
   ],
   "end_xy": [
    580502.8043439669,
    4476717.645697735
   ]
  },
  "min_10m": {
   "gradient_pct": 7.504670935941817,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 304.22815776063277,
   "end_elevation_m": 304.97862485422695,
   "start_xy": [
    580500.615,
    4476723.232
   ],
   "end_xy": [
    580504.2639066115,
    4476713.9214962255
   ]
  },
  "min_20m": {
   "gradient_pct": 8.278412145702134,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 304.22815776063277,
   "end_elevation_m": 305.8838401897732,
   "start_xy": [
    580500.615,
    4476723.232
   ],
   "end_xy": [
    580507.4583298841,
    4476704.449383178
   ]
  },
  "min_25m": {
   "gradient_pct": 8.877018844425493,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 304.22815776063277,
   "end_elevation_m": 306.44741247173914,
   "start_xy": [
    580500.615,
    4476723.232
   ],
   "end_xy": [
    580508.9825515801,
    4476699.687372235
   ]
  },
  "min_50m": {
   "gradient_pct": 11.186271467184383,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 304.22815776063277,
   "end_elevation_m": 309.82129349422496,
   "start_xy": [
    580500.615,
    4476723.232
   ],
   "end_xy": [
    580517.19049734,
    4476676.076693215
   ]
  },
  "min_100m": {
   "gradient_pct": 12.893361927537342,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 304.22815776063277,
   "end_elevation_m": 317.1215196881701,
   "start_xy": [
    580500.615,
    4476723.232
   ],
   "end_xy": [
    580563.4663674919,
    4476675.896558373
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.157009320837687,
   "start_distance_m": 179.0,
   "end_distance_m": 181.0,
   "midpoint_distance_m": 180.0,
   "start_elevation_m": 329.98899455057483,
   "end_elevation_m": 330.5121347369916,
   "start_xy": [
    580628.2771538481,
    4476659.851429194
   ],
   "end_xy": [
    580629.0996034793,
    4476658.028361284
   ]
  },
  "max_3m": {
   "gradient_pct": 26.058154260247573,
   "start_distance_m": 180.0,
   "end_distance_m": 183.0,
   "midpoint_distance_m": 181.5,
   "start_elevation_m": 330.2456842010383,
   "end_elevation_m": 331.0274288288457,
   "start_xy": [
    580628.6883786637,
    4476658.939895239
   ],
   "end_xy": [
    580629.9220531104,
    4476656.205293374
   ]
  }
 },
 "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": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "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_x58y448_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T15:14:19+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": [
   "x58y448"
  ],
  "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": "Pittsburgh",
  "county": "Pennsylvania"
 }
}