{
  "title": "Weather Check Protocol v1.0",
  "author": "Belinda Barnes",
  "location": "Warren, Michigan • Macomb County",
  "version": "1.0",
  "last_updated": "2026-07-18",
  "license": "CC0-1.0",
  "conditions": [
    {
      "id": "clear-skies",
      "name": "Clear Skies",
      "status": "safe",
      "thresholds": {
        "visibility_miles_min": 10,
        "wind_mph_max": 15
      },
      "protocol": "Standard departure. Full speed permitted within zone limits. No additional buffer required.",
      "time_buffer_minutes": 0
    },
    {
      "id": "light-snow",
      "name": "Light Snow",
      "status": "caution",
      "thresholds": {
        "accumulation_inches_per_hour_max": 2,
        "visibility_miles_min": 3
      },
      "protocol": "Add twelve-minute buffer to total route time. Reduce following distance to double standard. Salt application verified on all major arteries.",
      "time_buffer_minutes": 12
    },
    {
      "id": "winter-storm",
      "name": "Winter Storm",
      "status": "warning",
      "thresholds": {
        "accumulation_inches_per_hour_gt": 2,
        "visibility_miles_lt": 3
      },
      "protocol": "Hold at depot until road crews confirm plow completion. If mid-route: pull to nearest shelter, activate emergency heat, notify dispatch. No stops in open fields.",
      "time_buffer_minutes": null
    },
    {
      "id": "ice-glaze",
      "name": "Ice Glaze",
      "status": "caution",
      "thresholds": {
        "surface_temp_f_max": 28,
        "precipitation_wind_mph_max": 5
      },
      "protocol": "Brake pressure reduced to 40%. Acceleration capped at 0.3g. All curves entered at 50% rated speed. Warren High School stop deferred until pavement treatment confirmed.",
      "brake_pressure_percent": 40,
      "acceleration_g_max": 0.3,
      "curve_speed_percent": 50,
      "time_buffer_minutes": 24
    },
    {
      "id": "black-ice",
      "name": "Black Ice",
      "status": "warning",
      "thresholds": {
        "road_air_temp_diff_f_lt": 3,
        "relative_humidity_percent_gt": 95
      },
      "protocol": "Total suspension of service. Not negotiable. Not debatable. The children will wait at home; they will not slide into the ditch.",
      "service_status": "halted"
    },
    {
      "id": "thunderstorm",
      "name": "Thunderstorm",
      "status": "safe",
      "thresholds": {
        "lightning_radius_miles_gt": 10,
        "wind_gusts_mph_max": 40
      },
      "protocol": "Normal operations continue. Lightning detection system active. If strike within five miles: immediate shelter protocol, windows sealed, radio silent.",
      "shelter_trigger_miles": 5
    }
  ],
  "historical_validation": {
    "route": "14",
    "date": "1998-02-XX",
    "event": "Quarter-inch ice glaze over eight-mile bridge approach sequence",
    "action_taken": "Shelter at final safe shoulder, await salt truck passage",
    "delay_minutes": 43,
    "arrival_delay_minutes": 11,
    "outcome": "All passengers accounted for. Zero incidents."
  },
  "sources": [
    {
      "name": "NHTSA Winter Driving Protocols",
      "url": "https://www.nhtsa.gov/winter-driving"
    },
    {
      "name": "Michigan DOT Road Weather Information System",
      "url": "http://mdotroads.org/rwis/"
    },
    {
      "name": "Wikidata: School Bus (Q58678)",
      "url": "https://4ort.xyz/entity/school-bus"
    }
  ]
}