3 X-Flares in 2 days : The Sun’s Activity Remains High, more X-flares are in the offing

 

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ANOTHER X-FLARE: Solar activity remains high. Active sunspot AR2087 unleashed another X-flare on June 11th (X1.0), following two X-flares (X2.1 and X1.5) on June 10th. The latest blast was intense but short-lived, and it is not expected to have significant Earth-effects.
Solar flare alerts: textvoice

Yesterday’s double X-flare may have produced a geoeffective CME after all. At first it appeared that Earth was outside the line of fire, but a closer look at the CME reveals an Earth-directed component. Click to view a movie of the explosion from the Solar and Heliospheric Observatory:
cme_anim

The movie shows a faint CME associated with the first X-flare emerging around 1200 UT. A second, brighter CME from the second X-flare quickly overtakes it, forming a “cannibal CME.” Computer models run yesterday by NOAA analysts suggest the merged storm cloud will reach Earth mid-day on June 13th. The glancing blow could spark polar geomagnetic storms.

Meanwhile, more X-flares are in the offing. At least two sunspots (AR2080 and AR2087) have unstable ‘delta-class’ magnetic fields that could erupt at any moment. The source of yesterday’s X-flares, AR2087, is particularly potent, and it is turning toward Earth. NOAA forecasters estimate a 60% chance of M-flares and a 30% chance of X-flares on June 11th.

http://spaceweather.com/

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