Spaceweather.com has a warning:
On Feb. 12th, the magnetic canopy of sunspot AR2699 exploded–for more than 6 hours. The slow-motion blast produced a C1-class solar flare and hurled a coronal mass ejection (CME) almost directly toward Earth. This movie from the Solar and Heliospheric Observtory (SOHO) shows the CME leaving the sun:
[omitted – go see the link, though, it’s a cool movie]
My oh my. Gotta remember to take a look outside at night the next few nights.