{
  "envelope": {
    "id": "K04W|2026-07-04 14:21:41.873",
    "source": "central.echo6.co",
    "type": "central.space.alert.v1",
    "time": "2026-07-04T14:21:41.873000+00:00",
    "datacontenttype": "application/json",
    "centralschemaversion": "1.0",
    "centralcategory": "space.alert",
    "centralseverity": 0,
    "specversion": "1.0",
    "data": {
      "id": "K04W|2026-07-04 14:21:41.873",
      "adapter": "swpc_alerts",
      "category": "space.alert",
      "time": "2026-07-04T14:21:41.873000Z",
      "expires": null,
      "severity": 0,
      "geo": {
        "centroid": null,
        "bbox": null,
        "regions": [],
        "primary_region": null,
        "geometry": null
      },
      "data": {
        "product_id": "K04W",
        "issue_datetime": "2026-07-04 14:21:41.873",
        "message": "Space Weather Message Code: WARK04\r\nSerial Number: 5377\r\nIssue Time: 2026 Jul 04 1421 UTC\r\n\r\nEXTENDED WARNING: Geomagnetic K-index of 4 expected\nExtension to Serial Number: 5376\nValid From: 2026 Jul 03 1209 UTC\nNow Valid Until: 2026 Jul 05 0300 UTC\nWarning Condition: Persistence\n\r\n\n\r\n\r\nNOAA Space Weather Scale descriptions can be found at\r\nwww.swpc.noaa.gov/noaa-scales-explanation\r\n\r\nPotential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.\r\nInduced Currents - Weak power grid fluctuations can occur.\r\nAurora - Aurora may be visible at high latitudes such as Canada and Alaska."
      }
    }
  },
  "subject": "central.space.alert.k04w",
  "captured_epoch": 1783196500
}