Space Weather Message Code: WARK06 Serial Number: 398 Issue
Time: 2017 Sep 08 2049 UTC EXTENDED
WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 397 Valid From: 2017 Sep 07 2255 UTC Now Valid Until: 2017 Sep 09 0900 UTC
Warning Condition: Persistent
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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