RECEIVED FROM NOAA SWPC Space Weather Prediction Center Boulder, CO 09/08/2017 07:31 EST 

WARNING: Geomagnetic K-index of ("7 or greater") expected
A K=7 or greater Magnitude Warning is being issued Valid From: 09/08/2017 07:31 EST and Valid To: 09/08/2017 10:00 EST . We will monitor conditions and issue additional Warnings/Alerts 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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