NOAA SWPC / Event history

WARNING: Geomagnetic K-index of 5 expected

WARNING: Geomagnetic K-index of 5 expected · Valid From: 2026 Oct 21 2227 UTC · Valid To: 2026 Oct 22 0900 UTC · Warning Conditions: Onset · Noaa Scale: G1 - Minor · Comment: · NOAA Scale: G1 - Minor

See the first saved record ↓Detailed event record ↗

Bulletin issued: 21 October 2026 at 22:28 UTC
First saved by us: 21 October 2026 at 22:40 UTC
Last included in a daily record: 22 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
Source classification: WARNING · Published bulletin

A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.

The saved record

What changed

0 updates · 1 first record

Each update compares two versions we saved. This may not include every update from the source. A missing report does not mean an event has ended.

First saved record · 21 October 2026 at 22:40 UTC

Saved by us

21 October 2026 at 22:40 UTC

Starting point

First saved record

Our first saved version of WARNING: Geomagnetic K-index of 5 expected. We have no earlier saved version to compare.

Bulletin issued: 21 October 2026 at 22:28 UTC

View saved version 1

Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.

{
  "id": "swpc:K05W:2026-10-21T22:28:09.410Z",
  "category": "solar",
  "title": "WARNING: Geomagnetic K-index of 5 expected",
  "occurredAt": "2026-10-21T22:28:09.410Z",
  "issuedAt": "2026-10-21T22:28:09.410Z",
  "timeBasis": "Bulletin issued",
  "place": "Space weather",
  "coordinates": null,
  "severity": "WARNING",
  "status": "Published bulletin",
  "summary": "WARNING: Geomagnetic K-index of 5 expected · Valid From: 2026 Oct 21 2227 UTC · Valid To: 2026 Oct 22 0900 UTC · Warning Conditions: Onset · Noaa Scale: G1 - Minor · Comment: · NOAA Scale: G1 - Minor",
  "url": "https://www.swpc.noaa.gov/products/alerts-watches-and-warnings",
  "source": "swpc",
  "sourceName": "NOAA SWPC",
  "revision": "c375a1f4cee82239c78486d5533419f8146123bec3fcab1832d5f4dfbc7f7b83"
}

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The external page may have changed since this version was saved.