On Thursday, 11 September 2014 09:40:39 UTC+1, haaark wrote:
Two big CMEs are heading straight for us. We may see some spectacular aurorae tonight and/or tomorrow.

There is a very small chance it may damage TVs, computer connections, portable phone systems etc, but the associated solar flare went through yesterday without too much trouble.
PS. Here's an interesting link
http://www.spaceweather.com/