Space Weather Message Code: WARK05
Serial Number: 1230
Issue Time: 2016 Sep 21 0217 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2016 Sep 21 0220 UTC
Valid To: 2016 Sep 21 0800 UTC
Warning Condition: Onset
NOAA Scale: G1 – Minor

NOAA Space Weather Scale descriptions can be found at

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents – Weak power grid fluctuations can occur.
Spacecraft – Minor impact on satellite operations possible.
Aurora – Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

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