Chance of M-class flares high as dense sunspot region on Sun rotates earthward

June 13, 2012SPACE Chance of flares: NOAA forecasters estimate a 40% chance of M-class solar flares today as a phalanx of sunspots turns toward Earth. The most likely source of geoeffective eruptions is sunspot AR1504, which has grown into an active region almost 10 times wider than Earth.  The ongoing explosion is taking hours to unfold, which means it is very powerful despite its middling M1-peak. Long duration flares often hurl coronal mass ejections (CMEs) into space, and this one is probably no exception. Stay tuned for updates about a possible Earth-directed CME. –Space Weather
   
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1 Response to Chance of M-class flares high as dense sunspot region on Sun rotates earthward

  1. Stewart says:

    I’ve noticed that the sun spot number has been high lately. It’s been between 130-160 for a number of days. It’s going to be interesting to see how active it will be during the solar maximum later this year or in 2013.

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