WARNING: Geomagnetic K-index: 4 "EXPECTED"

Space Weather Message Code: WARK04
Serial Number: 3764
Issue Time: 2020 Sep 26 1107 UTC

EXTENDED WARNING: Geomagnetic K-index: 4 "EXPECTED"
Extension to Serial Number: 3763
Valid From: 2020 Sep 25 0425 UTC
Now Valid Until: 2020 Sep 26 1800 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
Scale Description

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents – Weak power grid fluctuations can occur.
Aurora – Northern Lights may be visible at High Latitudes (60°+) for example in: Sweden, Finland and Norway.

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