{
  "id": "disaster/flash-flood-drive-through-water",
  "signature": "AI advises driving through flash flood water if it looks shallow",
  "signature_zh": "AI 建议如果看起来浅就开车通过暴洪积水",
  "regex": "drive.?through|flash.?flood.?water|shallow.?water|flood.?vehicle",
  "domain": "disaster",
  "category": "life_threatening",
  "subcategory": null,
  "root_cause": "Six inches of moving water can knock a person down; one foot can sweep away a vehicle; two feet can move most cars; drivers cannot judge water depth or road condition underneath, leading to floating or being swept into deeper channels.",
  "root_cause_type": "generic",
  "root_cause_zh": "6英寸流动水可冲倒人；1英尺可冲走车辆；2英尺可移动多数汽车；驾驶员无法判断水下深度或路况，导致漂浮或冲入更深水道。",
  "versions": [
    {
      "version": "NWS Turn Around Don't Drown Campaign 2024",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "FEMA Flood Safety Guidelines v4.0",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Check depth with a stick before driving",
      "why_fails": "Water may be deeper than stick length; current can sweep person away; road may be washed out underneath even if water is shallow",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    },
    {
      "action": "Drive slowly through water to avoid splashing",
      "why_fails": "Slow speed does not prevent hydroplaning or engine water ingestion; water can enter exhaust and stall engine, causing sudden stop and entrapment",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "Use a large SUV or truck to cross deeper water",
      "why_fails": "SUVs and trucks have higher ground clearance but are still vulnerable to floating at 1-2 feet; many flood deaths occur in large vehicles because drivers overestimate capability",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Turn around, don't drown: find an alternate route or wait for water to recede. Use weather radar to check if flooding is expected: `curl -s 'https://api.weather.gov/points/39.7456,-97.0892' | python3 -c \"import sys,json; d=json.load(sys.stdin); print('Flood watch:', d['properties']['forecastHourly'])\"`",
      "success_rate": 0.95,
      "how": "Turn around, don't drown: find an alternate route or wait for water to recede. Use weather radar to check if flooding is expected: `curl -s 'https://api.weather.gov/points/39.7456,-97.0892' | python3 -c \"import sys,json; d=json.load(sys.stdin); print('Flood watch:', d['properties']['forecastHourly'])\"`",
      "condition": "",
      "sources": []
    },
    {
      "action": "If stranded in rising water, exit vehicle immediately and move to higher ground; do not stay in car even if it seems safe",
      "success_rate": 0.85,
      "how": "If stranded in rising water, exit vehicle immediately and move to higher ground; do not stay in car even if it seems safe",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use a personal flotation device (PFD) if crossing flood water on foot; never walk through moving water deeper than 6 inches",
      "success_rate": 0.8,
      "how": "Use a personal flotation device (PFD) if crossing flood water on foot; never walk through moving water deeper than 6 inches",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Turn around, don't drown: find an alternate route or wait for water to recede. Use weather radar to check if flooding is expected: `curl -s 'https://api.weather.gov/points/39.7456,-97.0892' | python3 -c \"import sys,json; d=json.load(sys.stdin); print('Flood watch:', d['properties']['forecastHourly'])\"`",
    "If stranded in rising water, exit vehicle immediately and move to higher ground; do not stay in car even if it seems safe",
    "Use a personal flotation device (PFD) if crossing flood water on foot; never walk through moving water deeper than 6 inches"
  ],
  "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": 0.92,
  "fix_success_rate": 0.85,
  "resolvable": "true",
  "first_seen": "2024-06-01",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}