Space Weather Message Code: ALTK04
Serial Number: 2008
Issue Time: 2017 Oct 02 0600 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2017 Oct 02 0559 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes

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.

  • Reply

    Ronald Malvin

    02 10 2017

    my gps and interfaced autopilot went bananas for about 45 min. 10/01/2017 15:00 ET within two miles from 41° 16.286′ N / 072° 28.258′ W’.
    Can you tell me if there occurred a geomagnetic disturbance at that time that may have been the cause.
    Thank you.

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