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Region 11263 produced the largest flare of cycle 24, a major X6.9 event at 08:05 UTC. When available STEREO and LASCO images will be studied to determine if there was a potentially geoeffective CME associated with this event. There's a possibility of a significant proton event as well.
The CME associated with the X6.9/2B flare was fast and wide. While the core CME won't impact Earth, there's a slight chance of a weak flank impact on August 11 or 12. The above 10 MeV proton event appears to have peaked near 30 pfu.
Based on currently available LASCO imagery the CME developed into a full halo. The CME could impact Earth on August 11 and cause unsettled to active conditions with a chance of minor storm intervals.
Originally posted by intergalactic fire
reply to post by Phage
Ok, I understand now.
360 degrees or halo4 is a full halo and the graph shows the direction.
This was halo2 and 158 degrees, so partial.
thanks for making me watch twice.