K04W 2023-04-23 13:49:03.090

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O:8:”stdClass”:3:{s:2:”id”;s:4:”K04W”;s:6:”issued”;s:23:”2023-04-23 13:49:03.090″;s:7:”message”;s:612:”Space Weather Message Code: WARK04
Serial Number: 4347
Issue Time: 2023 Apr 23 1349 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4346
Valid From: 2023 Apr 23 1035 UTC
Now Valid Until: 2023 Apr 24 0900 UTC
Warning Condition: Persistence

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

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents – Weak power grid fluctuations can occur.
Aurora – Aurora may be visible at high latitudes such as Canada and Alaska.”;}