flare

Several reports have mentioned an X Class solar flare headed toward Eastern seaboard. Estimate arrival time at 5 am.

The largest solar flare yet this solar cycle occurred this morning, August 9, 2011 at 8:05 UT. This flare had a GOES X-ray magnitude of X6.9, meaning it was more than 3 times larger than the previous largest flare of this solar cycle - the X2.2 that occurred on Feb 15, 2011. Stay tuned for...

X-FLARE: Earth-orbiting satellites have just detected an impulsive X1-class solar flare. Stay tuned for analysis. http://spaceweather.com/

The flare activity continues on Monday around Sunspot 1164 with multiple C-Class flares and an M1.1 Flare at 12:52 UTC. Continue to monitor this region for further activity. http://www.solarcycle24.com/index.htm

The clip of the large X2 flare (Feb. 15, 2011) seen by Solar Dynamics Observatory (SDO) in extreme ultraviolet light has been enlarged and superimposed on SOHO's C2 coronagraph for the same period. This was the largest flare in over four years. More...

Massive Sunspot 1158 has produced a major X2.2 Class Solar Flare at 01:56 UTC Tuesday. This is the largest Solar Flare of Cycle 24 and a CME could be associated with this event. A strong R3 Radio Blackout has taken place as well. More to follow http://www.solarcycle24.com/index.htm