215
WOXX13 KWNP 160751
ALTK04

Space Weather Message Code: ALTK04
Serial Number: 2566
Issue Time: 2025 Jun 16 0748 UTC

ALERT: Geomagnetic K-index of 4
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
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.

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