{
 "ocl_version": "0.1.0",
 "name": "Warren Street",
 "slug": "warren-street-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.551678458629112,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 295.0,
   "end_distance_m": 297.0,
   "start_elevation_m": 186.9097150121609,
   "end_elevation_m": 187.42074858133347,
   "min_gradient_pct": 3.5608047417966304
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.44719228249903,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 294.0,
   "end_distance_m": 297.0,
   "start_elevation_m": 186.6573328128585,
   "end_elevation_m": 187.42074858133347,
   "min_gradient_pct": 3.6711500720078525
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.38514547426132,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 293.0,
   "end_distance_m": 298.0,
   "start_elevation_m": 186.4021044395878,
   "end_elevation_m": 187.67136171330085,
   "min_gradient_pct": 4.04418216423494
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.142292040694656,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 293.0,
   "end_distance_m": 303.0,
   "start_elevation_m": 186.4021044395878,
   "end_elevation_m": 188.91633364365725,
   "min_gradient_pct": 4.454440203986962
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.55654880539143,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 285.0,
   "end_distance_m": 305.0,
   "start_elevation_m": 184.4826960913815,
   "end_elevation_m": 189.3940058524598,
   "min_gradient_pct": 4.6434102372482755
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.27647163868164,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 281.0,
   "end_distance_m": 306.0,
   "start_elevation_m": 183.55751197917846,
   "end_elevation_m": 189.62662988884887,
   "min_gradient_pct": 4.815942085969482
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.26550468020736,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 257.0,
   "end_distance_m": 307.0,
   "start_elevation_m": 178.21216753238815,
   "end_elevation_m": 189.84491987249183,
   "min_gradient_pct": 5.45680973117021
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 22.293201012529806,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 207.0,
   "end_distance_m": 307.0,
   "start_elevation_m": 167.55171885996202,
   "end_elevation_m": 189.84491987249183,
   "min_gradient_pct": 9.740834082722898
  }
 ],
 "shape": {
  "ascent_concentration": 0.338,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 305.0,
  "shape_class": "sustained"
 },
 "length_m": 350.182408157549,
 "start_elevation_m": 137.74704328235373,
 "end_elevation_m": 195.9645590149023,
 "endpoint_gain_m": 58.21751573254858,
 "overall_gradient_pct": 16.624911582182108,
 "accumulated_ascent_m": 58.21751573254858,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.38514547426132,
   "start_distance_m": 293.0,
   "end_distance_m": 298.0,
   "midpoint_distance_m": 295.5,
   "start_elevation_m": 186.4021044395878,
   "end_elevation_m": 187.67136171330085,
   "start_xy": [
    466515.32904155256,
    4493998.366650995
   ],
   "end_xy": [
    466515.1976163817,
    4493993.368378551
   ]
  },
  "max_10m": {
   "gradient_pct": 25.142292040694656,
   "start_distance_m": 293.0,
   "end_distance_m": 303.0,
   "midpoint_distance_m": 298.0,
   "start_elevation_m": 186.4021044395878,
   "end_elevation_m": 188.91633364365725,
   "start_xy": [
    466515.32904155256,
    4493998.366650995
   ],
   "end_xy": [
    466515.0661912108,
    4493988.370106107
   ]
  },
  "max_20m": {
   "gradient_pct": 24.55654880539143,
   "start_distance_m": 285.0,
   "end_distance_m": 305.0,
   "midpoint_distance_m": 295.0,
   "start_elevation_m": 184.4826960913815,
   "end_elevation_m": 189.3940058524598,
   "start_xy": [
    466515.5393218259,
    4494006.363886906
   ],
   "end_xy": [
    466515.0136211424,
    4493986.370797129
   ]
  },
  "max_25m": {
   "gradient_pct": 24.27647163868164,
   "start_distance_m": 281.0,
   "end_distance_m": 306.0,
   "midpoint_distance_m": 293.5,
   "start_elevation_m": 183.55751197917846,
   "end_elevation_m": 189.62662988884887,
   "start_xy": [
    466515.6444619626,
    4494010.36250486
   ],
   "end_xy": [
    466514.9873361083,
    4493985.371142641
   ]
  },
  "max_50m": {
   "gradient_pct": 23.26550468020736,
   "start_distance_m": 257.0,
   "end_distance_m": 307.0,
   "midpoint_distance_m": 282.0,
   "start_elevation_m": 178.21216753238815,
   "end_elevation_m": 189.84491987249183,
   "start_xy": [
    466516.2753027828,
    4494034.354212591
   ],
   "end_xy": [
    466514.9610510741,
    4493984.371488152
   ]
  },
  "max_100m": {
   "gradient_pct": 22.293201012529806,
   "start_distance_m": 207.0,
   "end_distance_m": 307.0,
   "midpoint_distance_m": 257.0,
   "start_elevation_m": 167.55171885996202,
   "end_elevation_m": 189.84491987249183,
   "start_xy": [
    466517.58955449145,
    4494084.336937032
   ],
   "end_xy": [
    466514.9610510741,
    4493984.371488152
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 4.04418216423494,
   "start_distance_m": 14.0,
   "end_distance_m": 19.0,
   "midpoint_distance_m": 16.5,
   "start_elevation_m": 138.42272237889858,
   "end_elevation_m": 138.62493148711033,
   "start_xy": [
    466521.15825654834,
    4494258.456254884
   ],
   "end_xy": [
    466516.5354910299,
    4494256.550988771
   ]
  },
  "min_10m": {
   "gradient_pct": 4.454440203986962,
   "start_distance_m": 9.0,
   "end_distance_m": 19.0,
   "midpoint_distance_m": 14.0,
   "start_elevation_m": 138.17948746671163,
   "end_elevation_m": 138.62493148711033,
   "start_xy": [
    466525.7810220668,
    4494260.361520996
   ],
   "end_xy": [
    466516.5354910299,
    4494256.550988771
   ]
  },
  "min_20m": {
   "gradient_pct": 4.6434102372482755,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 137.74704328235373,
   "end_elevation_m": 138.67572532980338,
   "start_xy": [
    466534.102,
    4494263.791
   ],
   "end_xy": [
    466515.6109379262,
    4494256.169935548
   ]
  },
  "min_25m": {
   "gradient_pct": 4.815942085969482,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 137.74704328235373,
   "end_elevation_m": 138.9510288038461,
   "start_xy": [
    466534.102,
    4494263.791
   ],
   "end_xy": [
    466510.9881724077,
    4494254.264669435
   ]
  },
  "min_50m": {
   "gradient_pct": 5.45680973117021,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 137.74704328235373,
   "end_elevation_m": 140.47544814793883,
   "start_xy": [
    466534.102,
    4494263.791
   ],
   "end_xy": [
    466503.5316678147,
    4494238.346803699
   ]
  },
  "min_100m": {
   "gradient_pct": 9.740834082722898,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 137.74704328235373,
   "end_elevation_m": 147.48787736507663,
   "start_xy": [
    466534.102,
    4494263.791
   ],
   "end_xy": [
    466519.80473157857,
    4494191.278412206
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.551678458629112,
   "start_distance_m": 295.0,
   "end_distance_m": 297.0,
   "midpoint_distance_m": 296.0,
   "start_elevation_m": 186.9097150121609,
   "end_elevation_m": 187.42074858133347,
   "start_xy": [
    466515.27647148416,
    4493996.367342018
   ],
   "end_xy": [
    466515.2239014158,
    4493994.368033039
   ]
  },
  "max_3m": {
   "gradient_pct": 25.44719228249903,
   "start_distance_m": 294.0,
   "end_distance_m": 297.0,
   "midpoint_distance_m": 295.5,
   "start_elevation_m": 186.6573328128585,
   "end_elevation_m": 187.42074858133347,
   "start_xy": [
    466515.30275651836,
    4493997.366996506
   ],
   "end_xy": [
    466515.2239014158,
    4493994.368033039
   ]
  }
 },
 "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_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_x46y450_PA_Northcentral_2019_B19.tif"
  ],
  "calculated_at": "2026-09-07T15:56:37+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-band4.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": [
   "x46y450"
  ],
  "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": "Fountain Hill",
  "county": "Pennsylvania"
 }
}