A filament eruption and associated low-level solar flare (below - TopicsExpress



          

A filament eruption and associated low-level solar flare (below the R1, Minor level) occurred late Sunday afternoon, Sep 29th, (start of day Sep 30th UTC) producing a S2 (Moderate) solar radiation storm which remains in progress at this time. The filament eruption resulted in a partially Earth-directed coronal mass ejection (CME). As a result, G1 (Minor) geomagnetic storming is expected mid-day on September 2nd through the 3rd. Be on the lookout for auroras if you live in the northern tier of US/UKD during this time frame. No further activity is expected at this time given the lack of substantial sunspots, but stay tuned for updates as this event unfolds. -Daniel
Posted on: Mon, 30 Sep 2013 23:05:53 +0000

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