NOAA SWPC / CAPTURE HISTORY
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Latest captured source record. This is an archive, not a current warning service.
Open the detailed event record ↗- First tracked
- 2026-10-09 17:11:48.776Z
- Last seen in a feed
- 2026-10-09 18:14:52.349Z
- Source classification
- Bulletin · Published bulletin
EXTENDED WARNING: Geomagnetic K-index of 4 expected · Extension to Serial Number: 5424 · Valid From: 2026 Oct 04 0615 UTC · Now Valid Until: 2026 Oct 05 0300 UTC · Warning Condition: Persistence · extended past Kp5 warning. · NOAA Space Weather Scale descriptions can be found at
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baseline · Captured 2026-10-09 17:11:48.776Z
EXTENDED WARNING: Geomagnetic K-index of 4 expected
EXTENDED WARNING: Geomagnetic K-index of 4 expected · Extension to Serial Number: 5424 · Valid From: 2026 Oct 04 0615 UTC · Now Valid Until: 2026 Oct 05 0300 UTC · Warning Condition: Persistence · extended past Kp5 warning. · NOAA Space Weather Scale descriptions can be found at
Source issued/updated 2026-10-04T19:01:38.570Z · Published bulletin
Source for this capture ↗