NOAA SWPC / CAPTURE HISTORY
ALERT: Geomagnetic K-index of 6
Latest captured source record. This is an archive, not a current warning service.
Open the detailed event record ↗- First tracked
- 2026-10-10 18:44:51.862Z
- Last seen in a feed
- 2026-10-10 19:44:51.902Z
- Source classification
- ALERT · Published bulletin
ALERT: Geomagnetic K-index of 6 · Threshold Reached: 2026 Oct 10 1837 UTC · Synoptic Period: 1800-2100 · Active Warning: YES · Noaa Scale: G2 - Moderate · Comment: · NOAA Scale: G2 - Moderate
Read original source ↗How the record changed
Only changes captured by this journal are listed; this is not the authority’s complete history. Timestamps distinguish publication from our capture. Missing messages are never treated as cancellations.
newly tracked · Captured 2026-10-10 18:44:51.862Z
ALERT: Geomagnetic K-index of 6
ALERT: Geomagnetic K-index of 6 · Threshold Reached: 2026 Oct 10 1837 UTC · Synoptic Period: 1800-2100 · Active Warning: YES · Noaa Scale: G2 - Moderate · Comment: · NOAA Scale: G2 - Moderate
Source issued/updated 2026-10-10T18:37:46.130Z · Published bulletin
Source for this capture ↗