Space Weather Message Code: WARK06
Serial Number: 450
Issue Time: 2021 Nov 04 1435 UTC
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 449
Valid From: 2021 Nov 03 2135 UTC
Now Valid Until: 2021 Nov 04 1800 UTC
Warning Condition: Persistence
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.