Space Weather Message Code: ALTK04 Serial Number: 1626 Issue Time: 2013 Feb 16 1735 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2013 Feb 16 1730 UTC Synoptic Period: 1500-1800 UTC Active Warning: Yes Potential Impacts: Area of impact primarily poleward of 65
degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada
and Alaska.
Source:
http://www.swpc.noaa.gov/ftpdir/forecasts/ALTS.txt
http://www.spaceweather.com/
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