The Space Weather Prediction Center in Colorado observed the flare Sunday at 11 p.m. EST. (0400 GMT). Physicist Doug Biesecker says the biggest concern is the radiation, which arrived on Earth an hour later. It will likely continue through Wednesday.

http://news.yahoo.com/strongest-sola...163628746.html

I have heard that 2012 will have the strongest solar disruptions in the last 60 years.. is this the begginning of them and what should we watch for?