Tag Archive | SPACEWEATHER: AR3738 Solar Flare and Radio Blackout

SOLAR FLARE AND RADIO BLACKOUT: Big sunspot AR3738 unleashed an M5.3-class solar flare today, July 13th, at 1242 UT. Radiation from the flare ionized the top of Earth’s atmosphere, causing a shortwave radio blackout over Europe and Africa. So far, no CME has been detected emerging from the blast site.

Continue reading →