Issue Time: 2013 Apr 23 1920 UTC
ALERT: Type II Radio Emission
Begin Time: 2013 Apr 23 1823 UTC
Estimated Velocity: 820 km/s
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
NOAA Space Weather Scales (meaning of R1, S1, Etc.) can be found at http://www.knowledgeorb.com/current-space-weather/noaa-space-weather-scales/
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For more detailed current Space Weather visit KnowledgeOrb Space Weather at http://www.knowledgeorb.com/current-space-weather/
Aurora viewing updates can be seen on the KnowledgeOrb Aurora viewing page. http://www.knowledgeorb.com/current-aurora-borealis-activity-viewing/
Current SDO AIA 304 Image of the Sun
This post compiled using data gathered from NOAA and NASA.