WARNING: Geomagnetic K-index: 4 "EXPECTED"

Space Weather Message Code: WARK04
Serial Number: 3820
Issue Time: 2021 Feb 07 1453 UTC

EXTENDED WARNING: Geomagnetic K-index: 4 "EXPECTED"
Extension to Serial Number: 3819
Valid From: 2021 Feb 06 2000 UTC
Now Valid Until: 2021 Feb 07 2359 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at Scales Explanation
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65° 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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