THE SUN TODAY: 26 September 2011 - Severe Geomagnetic Storm
From Space Weather Advisory Bulletin:
http://www.swpc.noaa.gov/advisories/bulletins.htmlSPACE WEATHER ADVISORY BULLETIN #11- 4
2011 September 26 at 03:00 p.m. MDT (2011 September 26 2100 UTC)
**** EARLY AUTUMN GEOMAGNETIC STORM ****
A Coronal Mass Ejection (CME) that erupted from NOAA Active Region 1302 on Saturday September 24 in conjunction with an M7 strength solar flare, arrived this morning at 1237 UT (8:37am Eastern Time). It has kicked off moderate (G2) geomagnetic storms for low latitudes, but high latitudes are seeing severe (G4) levels of activity. Aurora watchers in Asia and Europe are most favorably positioned for this event, though it may persist long enough for viewers in North America. The bulk of the CME missed the Earth, meaning the storm intensity and duration are less than what they would have been in the case of a direct hit. Region 1302 remains capable of producing more activity and will be in a favorable position for that activity to have impacts on Earth for the next 3-5 days.
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