{
  "id": "disaster/tsunami-climb-roof-house",
  "signature": "AI advises climbing onto the roof of a house to survive a tsunami (structural collapse and debris impact risk)",
  "signature_zh": "AI 建议爬上房屋屋顶以在海啸中生存（结构倒塌和碎片撞击风险）",
  "regex": "(?:climb(?:ing)?.*roof|roof.*climb).*tsunami|tsunami.*(?:climb(?:ing)?.*roof|roof.*climb)",
  "domain": "disaster",
  "category": "life_threatening",
  "subcategory": null,
  "root_cause": "Roofs of residential buildings are not designed to withstand tsunami wave forces; they can collapse under the weight of water and debris, and occupants are exposed to floating debris and strong currents.",
  "root_cause_type": "generic",
  "root_cause_zh": "住宅建筑的屋顶并非为承受海啸波浪力而设计；它们可能在水和碎片的重量下倒塌，而且屋顶上的人员会暴露在漂浮碎片和强流中。",
  "versions": [
    {
      "version": "2023.3",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "2024.2",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Climbing onto a metal or tile roof for better grip",
      "why_fails": "Metal roofs become slippery when wet and tile roofs can shatter underfoot; neither provides structural strength against tsunami forces.",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    },
    {
      "action": "Tying yourself to a chimney or vent pipe on the roof",
      "why_fails": "Anchoring to the roof makes you a target for debris and increases the chance of being dragged underwater if the structure fails.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "Climbing to the highest point of the roof to stay above the wave",
      "why_fails": "Tsunami waves can exceed roof height, and the highest point offers no protection from debris impact or structural failure.",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Evacuate immediately to higher ground (at least 100 feet above sea level or 2 miles inland) when a tsunami warning is issued; do not wait for visual confirmation.",
      "success_rate": 0.95,
      "how": "Evacuate immediately to higher ground (at least 100 feet above sea level or 2 miles inland) when a tsunami warning is issued; do not wait for visual confirmation.",
      "condition": "",
      "sources": []
    },
    {
      "action": "If evacuation is impossible, go to the top floor of a reinforced concrete building (at least 3 stories) that is designed to withstand tsunamis.",
      "success_rate": 0.88,
      "how": "If evacuation is impossible, go to the top floor of a reinforced concrete building (at least 3 stories) that is designed to withstand tsunamis.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Climb a tall, sturdy tree (e.g., mangrove, coconut palm) only as a last resort, and hold onto a strong branch above the expected wave height.",
      "success_rate": 0.6,
      "how": "Climb a tall, sturdy tree (e.g., mangrove, coconut palm) only as a last resort, and hold onto a strong branch above the expected wave height.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "当发布海啸警报时，立即撤离到高地（至少海拔 100 英尺或内陆 2 英里）；不要等待目视确认。",
    "如果无法撤离，前往设计用于抵御海啸的钢筋混凝土建筑（至少 3 层）的顶层。",
    "仅在万不得已时爬上一棵高大、坚固的树（如红树林、椰子树），并抓住高于预期波高的粗壮树枝。"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.tsunami.gov/",
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.85,
  "fix_success_rate": 0.7,
  "resolvable": "partial",
  "first_seen": "2023-12-05",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}