{
 "date": "2026-09-28",
 "generated_at": "2026-09-28T06:47:01Z",
 "window_start": "2026-09-27T06:47:01Z",
 "window_end": "2026-09-28T06:47:01Z",
 "generator": "build_brief/1.0",
 "card": null,
 "pipeline": {
  "manifest_generated_at": "2026-09-28T06:46:17Z",
  "manifest_missing": false,
  "newest_fetch_at": "2026-09-28T06:46:17Z",
  "stale": false,
  "note": null
 },
 "sources_live": 11,
 "sources_total": 92,
 "lede": "GDACS holds a Red alert: GDACS Red — Tropical Cyclone, Mexico.",
 "items": [
  {
   "kind": "largest_quake",
   "in_window": true,
   "headline": "M5.4 — 231 km WSW of Port McNeill, Canada, depth 10 km",
   "value": 5.4,
   "units": "Mw",
   "observed_at": "2026-09-28T04:41:21Z",
   "source": "USGS Earthquake Hazards Program",
   "source_url": "https://earthquake.usgs.gov/earthquakes/eventpage/us6000ty2u",
   "license": "Public domain (US Government)",
   "fetched_at": "2026-09-28T06:44:09.715747+00:00",
   "cache": "/api/cache/v1/quakes.json",
   "view": "/worldtwin/v2/?layers=quakes"
  },
  {
   "kind": "gdacs_alert",
   "in_window": true,
   "headline": "GDACS Red — Tropical Cyclone, Mexico",
   "value": "Red",
   "units": "GDACS alert level",
   "observed_at": "2026-09-28T03:00:00Z",
   "source": "GDACS (Global Disaster Alert and Coordination System, JRC)",
   "source_url": "https://www.gdacs.org/report.aspx?eventid=1001325&episodeid=30&eventtype=TC",
   "license": "CC-BY 4.0",
   "fetched_at": "2026-09-28T06:38:54.305563+00:00",
   "cache": "/api/cache/v1/gdacs_events.json",
   "view": "/worldtwin/v2/?layers=gdacs_events"
  },
  {
   "kind": "fires_24h",
   "in_window": true,
   "headline": "4,037 VIIRS fire detections in 24 h — no 7-day median yet — count record since 2026-09-24",
   "value": 4037,
   "units": "detections",
   "observed_at": "2026-09-28T04:02:00Z",
   "source": "NASA FIRMS (VIIRS SNPP)",
   "source_url": "https://firms.modaps.eosdis.nasa.gov/api/area/",
   "license": "NASA open data",
   "fetched_at": "2026-09-28T06:04:31.349563+00:00",
   "cache": "/api/cache/v1/fires.json",
   "view": "/worldtwin/v2/?layers=fires",
   "median_note": "no 7-day median yet — count record since 2026-09-24",
   "sigma_vs_median": null
  },
  {
   "kind": "instrument",
   "in_window": false,
   "headline": "Brent crude $114.89/bbl (FRED, series date 2026-09-22) — a daily market series; newest point is 6.3 d old",
   "value": 114.89,
   "units": "$/bbl",
   "observed_at": "2026-09-22T00:00:00Z",
   "source": "Federal Reserve Bank of St. Louis (FRED)",
   "source_url": "https://fred.stlouisfed.org/docs/api/fred/",
   "license": "Public (US Government)",
   "fetched_at": "2026-09-28T00:55:32.151985+00:00",
   "cache": "/api/cache/v1/fred.json",
   "view": "/worldtwin/v2/?layers=fred",
   "instrument": "fred_brent",
   "window": "as of 2026-09-22"
  }
 ],
 "went_dark": [],
 "came_back": [
  {
   "id": "gdacs_events",
   "at": "2026-09-28T06:38:54.314669+00:00",
   "dark_since": "2026-09-24T23:53:59.502794+00:00"
  }
 ],
 "delta_state": "delta vs previous brief",
 "previous_brief": "2026-09-27",
 "corrections": [],
 "layer_states": {
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   "state": "ok",
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  },
  "country_polygons": {
   "state": "ok",
   "since": "2026-09-26T12:32:58.435794+00:00"
  },
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   "since": "2026-09-28T06:46:17.407192+00:00"
  },
  "fred": {
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  },
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   "state": "ok",
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  },
  "noaa_co2": {
   "state": "ok",
   "since": "2026-09-28T06:30:36.034622+00:00"
  },
  "quakes": {
   "state": "ok",
   "since": "2026-09-28T06:44:09.726753+00:00"
  },
  "swpc_aurora": {
   "state": "ok",
   "since": "2026-09-28T06:45:37.183362+00:00"
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  "usgs_volcano_hans": {
   "state": "ok",
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  "volcanoes": {
   "state": "ok",
   "since": "2026-09-22T12:30:42.950430+00:00"
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 }
}