{
  "schema_version": 1,
  "slug": "polar-vortex",
  "title": "Polar Vortex",
  "canonical_url": "https://signalmeaning.com/signals/polar-vortex/",
  "json_url": "https://signalmeaning.com/data/signals/polar-vortex.json",
  "summary": "Increased public interest in Arctic polar vortex / seasonal winter forecasting",
  "why_now": "Recent coordinated coverage from multiple outlets linking polar vortex dynamics to a strong El Niño produced an immediate news-driven search spike; users are seeking explanations now because models and headlines are newly converging.",
  "evidence_summary": "Concentrated news coverage about polar vortex formation and its interaction with El Niño is driving public searches; although this is weather/climate interest (not a listed weather signal type), it represents a short-term information demand spike.",
  "caveat": "Signal Type: Low-Context Noise",
  "collected_at": "Fri, 18 Sep 2026 20:40:00 -0700",
  "signal_type": "Low-Context Noise",
  "score": 75.0,
  "score_field": "adjusted_score",
  "state": "PUBLISH",
  "evidence": [
    "- Polar vortex strengthens over Arctic, very strong El Niño supports mid-winter weakening signal - The Watchers - Watching the world evolve and transform",
    "New Polar Vortex to Meet Super El Niño, Shaking Up US Winter Forecasts - Newsweek"
  ],
  "sources": [
    {
      "label": "Polar vortex strengthens over Arctic, very strong El Niño supports mid-winter weakening signal - The Watchers - Watching the world evolve and transform",
      "source": "The Watchers - Watching the world evolve and transform",
      "url": "https://news.google.com/rss/articles/CBMixgFBVV95cUxPTWdIS2M4MFV4aXBENWt6d1dockFfbjJLVkdtZ2tmZkhFZm42VklsVHcxcUJDNXQ2YklSSUkydG5aUGIxSHNJenJqbmhlUmZHM1VHVl93SXpXRjNsWXJuVjRqc0dwRTcxeFNGMFlSSmJGLUxUQ21NYXNwM2RkdUNjcWpuYktBaThwQTV0cXlGYllZUk5lcHJGMjV6ekRKWjl5RHNfMTM3ZzNhMWJFY1J0M045UzdGQWFZcE8yU2JoZXg5WDhDb2c?oc=5"
    }
  ],
  "provenance": {
    "record_id": "202609191300_signal_Quality-0-polar-vortex",
    "batch_id": "202609191300",
    "input_files": {
      "Quality": "202609191300_signal_Quality.txt",
      "Musk": "202609191300_signal_Musk.txt",
      "Kurzweil": "202609191257_signal_Kurzweil.txt",
      "Jobs": "202609191256_signal_Jobs.txt",
      "Buffett": "202609191255_signal_Buffett.txt",
      "Bezos": "202609191255_signal_Bezos.txt"
    }
  }
}