{
  "id": "disaster/flashflood-wading-depth-myth",
  "signature": "AI advises wading through floodwater if it is less than knee-deep (underestimates flow force and hidden hazards)",
  "signature_zh": "AI 建议在洪水深度低于膝盖时涉水通过（低估了水流力量和隐藏危险）",
  "regex": "(?i)(wade|walk|cross).*(flood|floodwater).*(knee|shallow|depth)",
  "domain": "disaster",
  "category": "life_threatening",
  "subcategory": null,
  "root_cause": "Floodwater depth is a poor indicator of safety because flow velocity, not depth, determines the force that can knock a person off their feet, and even shallow water can hide open manholes, submerged debris, and strong currents.",
  "root_cause_type": "generic",
  "root_cause_zh": "洪水深度并不是安全性的可靠指标，因为决定冲倒人的力量的是流速而非深度，即使浅水也可能隐藏着敞开的井盖、水下杂物和强劲的水流。",
  "versions": [],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "A stick only measures depth, not flow force; it cannot detect hidden drop-offs or debris that can sweep a person away.",
      "fail_rate": 0.75,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "The rope creates a trip hazard and can snag on submerged obstacles, trapping the person and increasing drowning risk.",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Flood conditions change rapidly; a safe path minutes ago can become lethal due to unseen debris or bank erosion.",
      "fail_rate": 0.5,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Turn around, don't drown — do not attempt to wade through any floodwater, regardless of depth. Move to higher ground and wait for water to recede.",
      "success_rate": 0.95,
      "how": "Turn around, don't drown — do not attempt to wade through any floodwater, regardless of depth. Move to higher ground and wait for water to recede.",
      "condition": "",
      "sources": []
    },
    {
      "action": "If trapped and no dry route exists, call emergency services and move to the highest accessible point (e.g., roof) rather than entering the water.",
      "success_rate": 0.8,
      "how": "If trapped and no dry route exists, call emergency services and move to the highest accessible point (e.g., roof) rather than entering the water.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "掉头，不要溺水——无论水深多少，都不要尝试涉水通过洪水。移到高处等待水退。",
    "如果被困且没有干燥路线，请拨打紧急服务电话，并移动到可到达的最高点（例如屋顶），而不是进入水中。"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.weather.gov/safety/flood-turn-around-dont-drown",
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.88,
  "fix_success_rate": 0.85,
  "resolvable": "true",
  "first_seen": "2024-03-15",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}