{
 "ocl_version": "0.1.0",
 "name": "Yochum Run Road",
 "slug": "yochum-run-road-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 41.65751197754162,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 518.0,
   "end_distance_m": 520.0,
   "start_elevation_m": 549.7235450871597,
   "end_elevation_m": 550.5566953267105,
   "min_gradient_pct": -18.86953489029679
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 38.77959339060529,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 518.0,
   "end_distance_m": 521.0,
   "start_elevation_m": 549.7235450871597,
   "end_elevation_m": 550.8869328888778,
   "min_gradient_pct": -16.207539247159275
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 36.83337167533182,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 518.0,
   "end_distance_m": 523.0,
   "start_elevation_m": 549.7235450871597,
   "end_elevation_m": 551.5652136709263,
   "min_gradient_pct": -14.311683235787314
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 33.05280665641362,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 517.0,
   "end_distance_m": 527.0,
   "start_elevation_m": 549.4483703911728,
   "end_elevation_m": 552.7536510568142,
   "min_gradient_pct": -8.68296332053319
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.46596075145203,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 517.0,
   "end_distance_m": 537.0,
   "start_elevation_m": 549.4483703911728,
   "end_elevation_m": 554.5415625414632,
   "min_gradient_pct": -4.370597365627873
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.466486844544306,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 517.0,
   "end_distance_m": 542.0,
   "start_elevation_m": 549.4483703911728,
   "end_elevation_m": 555.5649921023089,
   "min_gradient_pct": -3.843428363802559
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.25661855407111,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 517.0,
   "end_distance_m": 567.0,
   "start_elevation_m": 549.4483703911728,
   "end_elevation_m": 561.0766796682084,
   "min_gradient_pct": -2.89385621226279
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.646770485061097,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 478.0,
   "end_distance_m": 578.0,
   "start_elevation_m": 544.3112738463662,
   "end_elevation_m": 562.9580443314273,
   "min_gradient_pct": -1.7651334896988828
  }
 ],
 "shape": {
  "ascent_concentration": 0.457,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 138.0,
  "shape_class": "stepped"
 },
 "length_m": 1577.6738622320497,
 "start_elevation_m": 533.5065888993868,
 "end_elevation_m": 594.1174722039841,
 "endpoint_gain_m": 60.61088330459734,
 "overall_gradient_pct": 3.8417878850351697,
 "accumulated_ascent_m": 71.5816142648979,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 36.83337167533182,
   "start_distance_m": 518.0,
   "end_distance_m": 523.0,
   "midpoint_distance_m": 520.5,
   "start_elevation_m": 549.7235450871597,
   "end_elevation_m": 551.5652136709263,
   "start_xy": [
    271537.4325207588,
    4610798.405306885
   ],
   "end_xy": [
    271539.51969164354,
    4610802.9488427
   ]
  },
  "max_10m": {
   "gradient_pct": 33.05280665641362,
   "start_distance_m": 517.0,
   "end_distance_m": 527.0,
   "midpoint_distance_m": 522.0,
   "start_elevation_m": 549.4483703911728,
   "end_elevation_m": 552.7536510568142,
   "start_xy": [
    271537.0150865819,
    4610797.496599723
   ],
   "end_xy": [
    271541.1894283513,
    4610806.583671351
   ]
  },
  "max_20m": {
   "gradient_pct": 25.46596075145203,
   "start_distance_m": 517.0,
   "end_distance_m": 537.0,
   "midpoint_distance_m": 527.0,
   "start_elevation_m": 549.4483703911728,
   "end_elevation_m": 554.5415625414632,
   "start_xy": [
    271537.0150865819,
    4610797.496599723
   ],
   "end_xy": [
    271545.3637701207,
    4610815.67074298
   ]
  },
  "max_25m": {
   "gradient_pct": 24.466486844544306,
   "start_distance_m": 517.0,
   "end_distance_m": 542.0,
   "midpoint_distance_m": 529.5,
   "start_elevation_m": 549.4483703911728,
   "end_elevation_m": 555.5649921023089,
   "start_xy": [
    271537.0150865819,
    4610797.496599723
   ],
   "end_xy": [
    271547.4509410055,
    4610820.214278795
   ]
  },
  "max_50m": {
   "gradient_pct": 23.25661855407111,
   "start_distance_m": 517.0,
   "end_distance_m": 567.0,
   "midpoint_distance_m": 542.0,
   "start_elevation_m": 549.4483703911728,
   "end_elevation_m": 561.0766796682084,
   "start_xy": [
    271537.0150865819,
    4610797.496599723
   ],
   "end_xy": [
    271557.8867954291,
    4610842.931957868
   ]
  },
  "max_100m": {
   "gradient_pct": 18.646770485061097,
   "start_distance_m": 478.0,
   "end_distance_m": 578.0,
   "midpoint_distance_m": 528.0,
   "start_elevation_m": 544.3112738463662,
   "end_elevation_m": 562.9580443314273,
   "start_xy": [
    271520.735153681,
    4610762.057020369
   ],
   "end_xy": [
    271562.4785713755,
    4610852.9277366595
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -14.311683235787314,
   "start_distance_m": 409.0,
   "end_distance_m": 414.0,
   "midpoint_distance_m": 411.5,
   "start_elevation_m": 541.9512503830688,
   "end_elevation_m": 541.2356662212794,
   "start_xy": [
    271509.1673922487,
    4610694.955931934
   ],
   "end_xy": [
    271509.51370264206,
    4610699.943924427
   ]
  },
  "min_10m": {
   "gradient_pct": -8.68296332053319,
   "start_distance_m": 406.0,
   "end_distance_m": 416.0,
   "midpoint_distance_m": 411.0,
   "start_elevation_m": 541.9385954353958,
   "end_elevation_m": 541.0702991033424,
   "start_xy": [
    271508.95960601274,
    4610691.963136437
   ],
   "end_xy": [
    271509.65222679934,
    4610701.939121424
   ]
  },
  "min_20m": {
   "gradient_pct": -4.370597365627873,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 533.5065888993868,
   "end_elevation_m": 532.6324694262612,
   "start_xy": [
    271557.288,
    4610295.888
   ],
   "end_xy": [
    271559.02809315355,
    4610315.812158096
   ]
  },
  "min_25m": {
   "gradient_pct": -3.843428363802559,
   "start_distance_m": 859.0,
   "end_distance_m": 884.0,
   "midpoint_distance_m": 871.5,
   "start_elevation_m": 566.4568441106899,
   "end_elevation_m": 565.4959870197392,
   "start_xy": [
    271571.67261156783,
    4611131.90203487
   ],
   "end_xy": [
    271571.6660055483,
    4611156.902033998
   ]
  },
  "min_50m": {
   "gradient_pct": -2.89385621226279,
   "start_distance_m": 844.0,
   "end_distance_m": 894.0,
   "midpoint_distance_m": 869.0,
   "start_elevation_m": 566.6558954576251,
   "end_elevation_m": 565.2089673514937,
   "start_xy": [
    271571.67657517956,
    4611116.902035394
   ],
   "end_xy": [
    271571.66336314054,
    4611166.902033648
   ]
  },
  "min_100m": {
   "gradient_pct": -1.7651334896988828,
   "start_distance_m": 939.0,
   "end_distance_m": 1039.0,
   "midpoint_distance_m": 989.0,
   "start_elevation_m": 565.7791883229168,
   "end_elevation_m": 564.0140548332179,
   "start_xy": [
    271571.6514723054,
    4611211.902032077
   ],
   "end_xy": [
    271544.6768528162,
    4611306.921738482
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 41.65751197754162,
   "start_distance_m": 518.0,
   "end_distance_m": 520.0,
   "midpoint_distance_m": 519.0,
   "start_elevation_m": 549.7235450871597,
   "end_elevation_m": 550.5566953267105,
   "start_xy": [
    271537.4325207588,
    4610798.405306885
   ],
   "end_xy": [
    271538.2673891127,
    4610800.222721211
   ]
  },
  "max_3m": {
   "gradient_pct": 38.77959339060529,
   "start_distance_m": 518.0,
   "end_distance_m": 521.0,
   "midpoint_distance_m": 519.5,
   "start_elevation_m": 549.7235450871597,
   "end_elevation_m": 550.8869328888778,
   "start_xy": [
    271537.4325207588,
    4610798.405306885
   ],
   "end_xy": [
    271538.68482328963,
    4610801.131428374
   ]
  }
 },
 "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": [
   "descends_at_start",
   "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa/USGS_1M_18_x27y462_PA_Northcentral_2019_B19.tif"
  ],
  "calculated_at": "2026-09-07T13:40:16+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-band3.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_Northcentral_2019_B19 (collected 2019)",
  "elevation_tile_ids": [
   "x27y462"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_Northcentral_2019_B19: HTTP Error 404: Not Found",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Abbott",
  "county": "Pennsylvania"
 }
}