POSSIBLE EARTH-DIRECTED EXPLOSION: Surprising forecasters, who thought sunspot AR3835 was too stable to explode, #sunspot AR3834 exploded on Sept. 22nd (2139 UTC). The M3.4-class #flare hurled a massive plume of #plasma into space:

Debris from the blast entrained even more plasma on its way out of the sun's atmosphere, forming a partial halo CME. The bulk of the #CME will miss Earth, but its flank will deliver a glancing blow to our planet on Sept. 25th,

https://spaceweather.com/