Space weather / EVENT RECORD

WATCH: Geomagnetic Storm Category G1 Predicted

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

Bulletin issued

2026-09-29 13:01:59.807Z

Source update / publication

2026-09-29 13:01:59.807Z

WATCH: Geomagnetic Storm Category G1 Predicted · Highest Storm Level Predicted by Day: · Sep 30: None (Below G1) Oct 01: None (Below G1) Oct 02: G1 (Minor) · THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT · Comment: 28 Sep CME inbound · NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation

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:A20F:2026-09-29T13:01:59.807Z