SPACE WEATHER ADVISORY BULLETIN – 09/26/2011

**** 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.

Data used to provide space weather services are contributed by NOAA,
USAF, NASA, NSF, USGS, the International Space Environment Services
and other observatories, universities, and institutions. More
information is available at SWPC’s Web site http://swpc.noaa.gov

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Comments
3 Responses to “SPACE WEATHER ADVISORY BULLETIN – 09/26/2011”
  1. Debbie Gladen says:

    Is there an explanation as to why these Solar Winds bypass Earth when directly in Earth’s path? It is almost as if there is something deflecting it. But what?

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