STRONG SOLAR FLARE: The magnetic field of sunspot AR1719 erupted on April 11th at 0716 UT, producing an M6-class solar flare. NASA's Solar Dynamics Observatory recorded the explosion's extreme ultraviolet flash:
Shortly after the flare, a CME emerged from the blast site. NOAA forecasters estimate a 60% chance of geomagnetic storms on April 13th when the cloud reaches Earth. High-latitude sky watchers, be alert for auroras!