The term "space weather" is rather interesting, and in fact you could call it an oxymoron. http://dictionary.reference.com/search?r=2&q=oxymoron

I mean in space there is no atmosphere, there's practically nothing (no water, no air, no pressure) so how can you have "weather"? Well there is weather in space... it is just a different kind of weather. Here is a web site with lots of information on it:

Also, the information on SOHO can be found here:

Keep looking to the skies and beyond (it's a Buzz Lightyear kind of thing)
-Steve