space
ALERT: Geomagnetic K-index of 5
Space Weather Message Code: ALTK05 Serial Number: 2049 Issue Time: 2026 Sep 08 1751 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Sep 08 1744 UTC Synoptic Period: 1500-1800 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions…
Reported by NOAA SWPC
Read the complete report at NOAA SWPC ↗
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1 recorded state
Signal first indexedP4 · 98% quality · 1 source