X-FLARE: Emerging sunspot AR2339 unleashed an intense X2-class solar flare on May 5th at approximately 22:11
UT. Radiation from the flare caused strong radio blackouts on the
Pacific side of Earth, interfering with communications at frequencies
below ~20 MHz. The blast also hurled a CME into space, but not toward
Earth. This event could herald a sustained period of high solar
activity, as AR2339 appears to be large and explosive.