Space weather / EVENT RECORD

WARNING: Geomagnetic K-index of 6 expected

NOAA SWPC · Every measurement below belongs to the selected record.

Bulletin issued

2026-10-04 18:47:59.650Z

Source update / publication

2026-10-04 18:47:59.650Z

WARNING: Geomagnetic K-index of 6 expected · Valid From: 2026 Oct 04 1847 UTC · Valid To: 2026 Oct 04 2359 UTC · Warning Conditions: Onset · Noaa Scale: G2 - Moderate · Comment: · NOAA Scale: G2 - Moderate

This is a source-linked archive. Source measurements and assessments can change. An archived bulletin is not evidence that a warning is currently active.

In the daily journal

SOURCE ID swpc:K06W:2026-10-04T18:47:59.650Z