RECEIVED FROM NOAA SWPC Space Weather Prediction Center Boulder, CO 09/08/2017 08:04 EST 

Alert: Geomagnetic K-index of ("8") measured
A K=8 Magnitude Alert has been issued at: 09/08/2017 08:04 EST.
Threshold Reached: 09/08/2017 10:00 EST . We will monitor conditions and issue additional Alerts/Warnings as necessary.

K-index Warnings are issued when a Boulder K-indices of 4, 5, 6, and 7 or greater is expected.
K-index Alerts are issued when the Boulder K-index reaches 4, 5, 6, 7, 8, or 9 in a 3-hour period.



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