WARNING: Geomagnetic K-index: 6 (G2)

Space Weather Message Code: WARK06
Serial Number: 437
Issue Time: 2020 Sep 24 0807 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2020 Sep 24 0806 UTC
Valid To: 2020 Sep 24 1200 UTC
Warning Condition: Onset
NOAA Scale: G2 – Moderate

NOAA Space Weather Scale descriptions can be found at
Scale Description

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents – Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft – Satellite orientation irregularities may occur; Increased drag on low Earth-orbit satellites is possible.
Radio – HF (High frequency) radio propagation can fade at Higher latitudes.
Aurora – Aurora may be seen as low as New York to Wisconsin to Washington state.

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